From 4f6925aae150391a36144bd21cc6b5713b096802 Mon Sep 17 00:00:00 2001 From: Erik Mendoza Date: Fri, 9 Sep 2022 19:06:18 -0500 Subject: [PATCH 1/5] Adding the json-schema-faker and testing - Adding json-schema-faker generated from VShingala/json-schema-faker pmHologation branch - The package was generatet using the command: browserify src/main.cjs.js --standalone json-schema-faker -p esmify > json-schema-faker.js --- assets/json-schema-faker2.js | 38347 +++++++++++++++++++++++++++++++++ test/unit/faker.test.js | 42 +- 2 files changed, 38375 insertions(+), 14 deletions(-) create mode 100644 assets/json-schema-faker2.js diff --git a/assets/json-schema-faker2.js b/assets/json-schema-faker2.js new file mode 100644 index 000000000..0d5f75f12 --- /dev/null +++ b/assets/json-schema-faker2.js @@ -0,0 +1,38347 @@ +(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.jsonSchemaFaker = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i range.high); + } + + touches(range) { + return !(this.high + 1 < range.low || this.low - 1 > range.high); + } + + // Returns inclusive combination of SubRanges as a SubRange. + add(range) { + return new SubRange( + Math.min(this.low, range.low), + Math.max(this.high, range.high) + ); + } + + // Returns subtraction of SubRanges as an array of SubRanges. + // (There's a case where subtraction divides it in 2) + subtract(range) { + if (range.low <= this.low && range.high >= this.high) { + return []; + } else if (range.low > this.low && range.high < this.high) { + return [ + new SubRange(this.low, range.low - 1), + new SubRange(range.high + 1, this.high) + ]; + } else if (range.low <= this.low) { + return [new SubRange(range.high + 1, this.high)]; + } else { + return [new SubRange(this.low, range.low - 1)]; + } + } + + toString() { + return this.low == this.high ? + this.low.toString() : this.low + '-' + this.high; + } +} + + +class DRange { + constructor(a, b) { + this.ranges = []; + this.length = 0; + if (a != null) this.add(a, b); + } + + _update_length() { + this.length = this.ranges.reduce((previous, range) => { + return previous + range.length; + }, 0); + } + + add(a, b) { + var _add = (subrange) => { + var i = 0; + while (i < this.ranges.length && !subrange.touches(this.ranges[i])) { + i++; + } + var newRanges = this.ranges.slice(0, i); + while (i < this.ranges.length && subrange.touches(this.ranges[i])) { + subrange = subrange.add(this.ranges[i]); + i++; + } + newRanges.push(subrange); + this.ranges = newRanges.concat(this.ranges.slice(i)); + this._update_length(); + } + + if (a instanceof DRange) { + a.ranges.forEach(_add); + } else { + if (b == null) b = a; + _add(new SubRange(a, b)); + } + return this; + } + + subtract(a, b) { + var _subtract = (subrange) => { + var i = 0; + while (i < this.ranges.length && !subrange.overlaps(this.ranges[i])) { + i++; + } + var newRanges = this.ranges.slice(0, i); + while (i < this.ranges.length && subrange.overlaps(this.ranges[i])) { + newRanges = newRanges.concat(this.ranges[i].subtract(subrange)); + i++; + } + this.ranges = newRanges.concat(this.ranges.slice(i)); + this._update_length(); + }; + + if (a instanceof DRange) { + a.ranges.forEach(_subtract); + } else { + if (b == null) b = a; + _subtract(new SubRange(a, b)); + } + return this; + } + + intersect(a, b) { + var newRanges = []; + var _intersect = (subrange) => { + var i = 0; + while (i < this.ranges.length && !subrange.overlaps(this.ranges[i])) { + i++; + } + while (i < this.ranges.length && subrange.overlaps(this.ranges[i])) { + var low = Math.max(this.ranges[i].low, subrange.low); + var high = Math.min(this.ranges[i].high, subrange.high); + newRanges.push(new SubRange(low, high)); + i++; + } + }; + + if (a instanceof DRange) { + a.ranges.forEach(_intersect); + } else { + if (b == null) b = a; + _intersect(new SubRange(a, b)); + } + this.ranges = newRanges; + this._update_length(); + return this; + } + + index(index) { + var i = 0; + while (i < this.ranges.length && this.ranges[i].length <= index) { + index -= this.ranges[i].length; + i++; + } + return this.ranges[i].low + index; + } + + toString() { + return '[ ' + this.ranges.join(', ') + ' ]'; + } + + clone() { + return new DRange(this); + } + + numbers() { + return this.ranges.reduce((result, subrange) => { + var i = subrange.low; + while (i <= subrange.high) { + result.push(i); + i++; + } + return result; + }, []); + } + + subranges() { + return this.ranges.map((subrange) => ({ + low: subrange.low, + high: subrange.high, + length: 1 + subrange.high - subrange.low + })); + } +} + +module.exports = DRange; + +},{}],4:[function(require,module,exports){ +function format(fmt) { + var re = /(%?)(%([jds]))/g + , args = Array.prototype.slice.call(arguments, 1); + if(args.length) { + fmt = fmt.replace(re, function(match, escaped, ptn, flag) { + var arg = args.shift(); + switch(flag) { + case 's': + arg = '' + arg; + break; + case 'd': + arg = Number(arg); + break; + case 'j': + arg = JSON.stringify(arg); + break; + } + if(!escaped) { + return arg; + } + args.unshift(arg); + return match; + }) + } + + // arguments remain after formatting + if(args.length) { + fmt += ' ' + args.join(' '); + } + + // update escaped %% values + fmt = fmt.replace(/%{2,2}/g, '%'); + + return '' + fmt; +} + +module.exports = format; + +},{}],5:[function(require,module,exports){ +'use strict'; + + +var yaml = require('./lib/js-yaml.js'); + + +module.exports = yaml; + +},{"./lib/js-yaml.js":6}],6:[function(require,module,exports){ +'use strict'; + + +var loader = require('./js-yaml/loader'); +var dumper = require('./js-yaml/dumper'); + + +function deprecated(name) { + return function () { + throw new Error('Function ' + name + ' is deprecated and cannot be used.'); + }; +} + + +module.exports.Type = require('./js-yaml/type'); +module.exports.Schema = require('./js-yaml/schema'); +module.exports.FAILSAFE_SCHEMA = require('./js-yaml/schema/failsafe'); +module.exports.JSON_SCHEMA = require('./js-yaml/schema/json'); +module.exports.CORE_SCHEMA = require('./js-yaml/schema/core'); +module.exports.DEFAULT_SAFE_SCHEMA = require('./js-yaml/schema/default_safe'); +module.exports.DEFAULT_FULL_SCHEMA = require('./js-yaml/schema/default_full'); +module.exports.load = loader.load; +module.exports.loadAll = loader.loadAll; +module.exports.safeLoad = loader.safeLoad; +module.exports.safeLoadAll = loader.safeLoadAll; +module.exports.dump = dumper.dump; +module.exports.safeDump = dumper.safeDump; +module.exports.YAMLException = require('./js-yaml/exception'); + +// Deprecated schema names from JS-YAML 2.0.x +module.exports.MINIMAL_SCHEMA = require('./js-yaml/schema/failsafe'); +module.exports.SAFE_SCHEMA = require('./js-yaml/schema/default_safe'); +module.exports.DEFAULT_SCHEMA = require('./js-yaml/schema/default_full'); + +// Deprecated functions from JS-YAML 1.x.x +module.exports.scan = deprecated('scan'); +module.exports.parse = deprecated('parse'); +module.exports.compose = deprecated('compose'); +module.exports.addConstructor = deprecated('addConstructor'); + +},{"./js-yaml/dumper":8,"./js-yaml/exception":9,"./js-yaml/loader":10,"./js-yaml/schema":12,"./js-yaml/schema/core":13,"./js-yaml/schema/default_full":14,"./js-yaml/schema/default_safe":15,"./js-yaml/schema/failsafe":16,"./js-yaml/schema/json":17,"./js-yaml/type":18}],7:[function(require,module,exports){ +'use strict'; + + +function isNothing(subject) { + return (typeof subject === 'undefined') || (subject === null); +} + + +function isObject(subject) { + return (typeof subject === 'object') && (subject !== null); +} + + +function toArray(sequence) { + if (Array.isArray(sequence)) return sequence; + else if (isNothing(sequence)) return []; + + return [ sequence ]; +} + + +function extend(target, source) { + var index, length, key, sourceKeys; + + if (source) { + sourceKeys = Object.keys(source); + + for (index = 0, length = sourceKeys.length; index < length; index += 1) { + key = sourceKeys[index]; + target[key] = source[key]; + } + } + + return target; +} + + +function repeat(string, count) { + var result = '', cycle; + + for (cycle = 0; cycle < count; cycle += 1) { + result += string; + } + + return result; +} + + +function isNegativeZero(number) { + return (number === 0) && (Number.NEGATIVE_INFINITY === 1 / number); +} + + +module.exports.isNothing = isNothing; +module.exports.isObject = isObject; +module.exports.toArray = toArray; +module.exports.repeat = repeat; +module.exports.isNegativeZero = isNegativeZero; +module.exports.extend = extend; + +},{}],8:[function(require,module,exports){ +'use strict'; + +/*eslint-disable no-use-before-define*/ + +var common = require('./common'); +var YAMLException = require('./exception'); +var DEFAULT_FULL_SCHEMA = require('./schema/default_full'); +var DEFAULT_SAFE_SCHEMA = require('./schema/default_safe'); + +var _toString = Object.prototype.toString; +var _hasOwnProperty = Object.prototype.hasOwnProperty; + +var CHAR_TAB = 0x09; /* Tab */ +var CHAR_LINE_FEED = 0x0A; /* LF */ +var CHAR_CARRIAGE_RETURN = 0x0D; /* CR */ +var CHAR_SPACE = 0x20; /* Space */ +var CHAR_EXCLAMATION = 0x21; /* ! */ +var CHAR_DOUBLE_QUOTE = 0x22; /* " */ +var CHAR_SHARP = 0x23; /* # */ +var CHAR_PERCENT = 0x25; /* % */ +var CHAR_AMPERSAND = 0x26; /* & */ +var CHAR_SINGLE_QUOTE = 0x27; /* ' */ +var CHAR_ASTERISK = 0x2A; /* * */ +var CHAR_COMMA = 0x2C; /* , */ +var CHAR_MINUS = 0x2D; /* - */ +var CHAR_COLON = 0x3A; /* : */ +var CHAR_EQUALS = 0x3D; /* = */ +var CHAR_GREATER_THAN = 0x3E; /* > */ +var CHAR_QUESTION = 0x3F; /* ? */ +var CHAR_COMMERCIAL_AT = 0x40; /* @ */ +var CHAR_LEFT_SQUARE_BRACKET = 0x5B; /* [ */ +var CHAR_RIGHT_SQUARE_BRACKET = 0x5D; /* ] */ +var CHAR_GRAVE_ACCENT = 0x60; /* ` */ +var CHAR_LEFT_CURLY_BRACKET = 0x7B; /* { */ +var CHAR_VERTICAL_LINE = 0x7C; /* | */ +var CHAR_RIGHT_CURLY_BRACKET = 0x7D; /* } */ + +var ESCAPE_SEQUENCES = {}; + +ESCAPE_SEQUENCES[0x00] = '\\0'; +ESCAPE_SEQUENCES[0x07] = '\\a'; +ESCAPE_SEQUENCES[0x08] = '\\b'; +ESCAPE_SEQUENCES[0x09] = '\\t'; +ESCAPE_SEQUENCES[0x0A] = '\\n'; +ESCAPE_SEQUENCES[0x0B] = '\\v'; +ESCAPE_SEQUENCES[0x0C] = '\\f'; +ESCAPE_SEQUENCES[0x0D] = '\\r'; +ESCAPE_SEQUENCES[0x1B] = '\\e'; +ESCAPE_SEQUENCES[0x22] = '\\"'; +ESCAPE_SEQUENCES[0x5C] = '\\\\'; +ESCAPE_SEQUENCES[0x85] = '\\N'; +ESCAPE_SEQUENCES[0xA0] = '\\_'; +ESCAPE_SEQUENCES[0x2028] = '\\L'; +ESCAPE_SEQUENCES[0x2029] = '\\P'; + +var DEPRECATED_BOOLEANS_SYNTAX = [ + 'y', 'Y', 'yes', 'Yes', 'YES', 'on', 'On', 'ON', + 'n', 'N', 'no', 'No', 'NO', 'off', 'Off', 'OFF' +]; + +function compileStyleMap(schema, map) { + var result, keys, index, length, tag, style, type; + + if (map === null) return {}; + + result = {}; + keys = Object.keys(map); + + for (index = 0, length = keys.length; index < length; index += 1) { + tag = keys[index]; + style = String(map[tag]); + + if (tag.slice(0, 2) === '!!') { + tag = 'tag:yaml.org,2002:' + tag.slice(2); + } + type = schema.compiledTypeMap['fallback'][tag]; + + if (type && _hasOwnProperty.call(type.styleAliases, style)) { + style = type.styleAliases[style]; + } + + result[tag] = style; + } + + return result; +} + +function encodeHex(character) { + var string, handle, length; + + string = character.toString(16).toUpperCase(); + + if (character <= 0xFF) { + handle = 'x'; + length = 2; + } else if (character <= 0xFFFF) { + handle = 'u'; + length = 4; + } else if (character <= 0xFFFFFFFF) { + handle = 'U'; + length = 8; + } else { + throw new YAMLException('code point within a string may not be greater than 0xFFFFFFFF'); + } + + return '\\' + handle + common.repeat('0', length - string.length) + string; +} + +function State(options) { + this.schema = options['schema'] || DEFAULT_FULL_SCHEMA; + this.indent = Math.max(1, (options['indent'] || 2)); + this.noArrayIndent = options['noArrayIndent'] || false; + this.skipInvalid = options['skipInvalid'] || false; + this.flowLevel = (common.isNothing(options['flowLevel']) ? -1 : options['flowLevel']); + this.styleMap = compileStyleMap(this.schema, options['styles'] || null); + this.sortKeys = options['sortKeys'] || false; + this.lineWidth = options['lineWidth'] || 80; + this.noRefs = options['noRefs'] || false; + this.noCompatMode = options['noCompatMode'] || false; + this.condenseFlow = options['condenseFlow'] || false; + + this.implicitTypes = this.schema.compiledImplicit; + this.explicitTypes = this.schema.compiledExplicit; + + this.tag = null; + this.result = ''; + + this.duplicates = []; + this.usedDuplicates = null; +} + +// Indents every line in a string. Empty lines (\n only) are not indented. +function indentString(string, spaces) { + var ind = common.repeat(' ', spaces), + position = 0, + next = -1, + result = '', + line, + length = string.length; + + while (position < length) { + next = string.indexOf('\n', position); + if (next === -1) { + line = string.slice(position); + position = length; + } else { + line = string.slice(position, next + 1); + position = next + 1; + } + + if (line.length && line !== '\n') result += ind; + + result += line; + } + + return result; +} + +function generateNextLine(state, level) { + return '\n' + common.repeat(' ', state.indent * level); +} + +function testImplicitResolving(state, str) { + var index, length, type; + + for (index = 0, length = state.implicitTypes.length; index < length; index += 1) { + type = state.implicitTypes[index]; + + if (type.resolve(str)) { + return true; + } + } + + return false; +} + +// [33] s-white ::= s-space | s-tab +function isWhitespace(c) { + return c === CHAR_SPACE || c === CHAR_TAB; +} + +// Returns true if the character can be printed without escaping. +// From YAML 1.2: "any allowed characters known to be non-printable +// should also be escaped. [However,] This isn’t mandatory" +// Derived from nb-char - \t - #x85 - #xA0 - #x2028 - #x2029. +function isPrintable(c) { + return (0x00020 <= c && c <= 0x00007E) + || ((0x000A1 <= c && c <= 0x00D7FF) && c !== 0x2028 && c !== 0x2029) + || ((0x0E000 <= c && c <= 0x00FFFD) && c !== 0xFEFF /* BOM */) + || (0x10000 <= c && c <= 0x10FFFF); +} + +// [34] ns-char ::= nb-char - s-white +// [27] nb-char ::= c-printable - b-char - c-byte-order-mark +// [26] b-char ::= b-line-feed | b-carriage-return +// [24] b-line-feed ::= #xA /* LF */ +// [25] b-carriage-return ::= #xD /* CR */ +// [3] c-byte-order-mark ::= #xFEFF +function isNsChar(c) { + return isPrintable(c) && !isWhitespace(c) + // byte-order-mark + && c !== 0xFEFF + // b-char + && c !== CHAR_CARRIAGE_RETURN + && c !== CHAR_LINE_FEED; +} + +// Simplified test for values allowed after the first character in plain style. +function isPlainSafe(c, prev) { + // Uses a subset of nb-char - c-flow-indicator - ":" - "#" + // where nb-char ::= c-printable - b-char - c-byte-order-mark. + return isPrintable(c) && c !== 0xFEFF + // - c-flow-indicator + && c !== CHAR_COMMA + && c !== CHAR_LEFT_SQUARE_BRACKET + && c !== CHAR_RIGHT_SQUARE_BRACKET + && c !== CHAR_LEFT_CURLY_BRACKET + && c !== CHAR_RIGHT_CURLY_BRACKET + // - ":" - "#" + // /* An ns-char preceding */ "#" + && c !== CHAR_COLON + && ((c !== CHAR_SHARP) || (prev && isNsChar(prev))); +} + +// Simplified test for values allowed as the first character in plain style. +function isPlainSafeFirst(c) { + // Uses a subset of ns-char - c-indicator + // where ns-char = nb-char - s-white. + return isPrintable(c) && c !== 0xFEFF + && !isWhitespace(c) // - s-white + // - (c-indicator ::= + // “-” | “?” | “:” | “,” | “[” | “]” | “{” | “}” + && c !== CHAR_MINUS + && c !== CHAR_QUESTION + && c !== CHAR_COLON + && c !== CHAR_COMMA + && c !== CHAR_LEFT_SQUARE_BRACKET + && c !== CHAR_RIGHT_SQUARE_BRACKET + && c !== CHAR_LEFT_CURLY_BRACKET + && c !== CHAR_RIGHT_CURLY_BRACKET + // | “#” | “&” | “*” | “!” | “|” | “=” | “>” | “'” | “"” + && c !== CHAR_SHARP + && c !== CHAR_AMPERSAND + && c !== CHAR_ASTERISK + && c !== CHAR_EXCLAMATION + && c !== CHAR_VERTICAL_LINE + && c !== CHAR_EQUALS + && c !== CHAR_GREATER_THAN + && c !== CHAR_SINGLE_QUOTE + && c !== CHAR_DOUBLE_QUOTE + // | “%” | “@” | “`”) + && c !== CHAR_PERCENT + && c !== CHAR_COMMERCIAL_AT + && c !== CHAR_GRAVE_ACCENT; +} + +// Determines whether block indentation indicator is required. +function needIndentIndicator(string) { + var leadingSpaceRe = /^\n* /; + return leadingSpaceRe.test(string); +} + +var STYLE_PLAIN = 1, + STYLE_SINGLE = 2, + STYLE_LITERAL = 3, + STYLE_FOLDED = 4, + STYLE_DOUBLE = 5; + +// Determines which scalar styles are possible and returns the preferred style. +// lineWidth = -1 => no limit. +// Pre-conditions: str.length > 0. +// Post-conditions: +// STYLE_PLAIN or STYLE_SINGLE => no \n are in the string. +// STYLE_LITERAL => no lines are suitable for folding (or lineWidth is -1). +// STYLE_FOLDED => a line > lineWidth and can be folded (and lineWidth != -1). +function chooseScalarStyle(string, singleLineOnly, indentPerLevel, lineWidth, testAmbiguousType) { + var i; + var char, prev_char; + var hasLineBreak = false; + var hasFoldableLine = false; // only checked if shouldTrackWidth + var shouldTrackWidth = lineWidth !== -1; + var previousLineBreak = -1; // count the first line correctly + var plain = isPlainSafeFirst(string.charCodeAt(0)) + && !isWhitespace(string.charCodeAt(string.length - 1)); + + if (singleLineOnly) { + // Case: no block styles. + // Check for disallowed characters to rule out plain and single. + for (i = 0; i < string.length; i++) { + char = string.charCodeAt(i); + if (!isPrintable(char)) { + return STYLE_DOUBLE; + } + prev_char = i > 0 ? string.charCodeAt(i - 1) : null; + plain = plain && isPlainSafe(char, prev_char); + } + } else { + // Case: block styles permitted. + for (i = 0; i < string.length; i++) { + char = string.charCodeAt(i); + if (char === CHAR_LINE_FEED) { + hasLineBreak = true; + // Check if any line can be folded. + if (shouldTrackWidth) { + hasFoldableLine = hasFoldableLine || + // Foldable line = too long, and not more-indented. + (i - previousLineBreak - 1 > lineWidth && + string[previousLineBreak + 1] !== ' '); + previousLineBreak = i; + } + } else if (!isPrintable(char)) { + return STYLE_DOUBLE; + } + prev_char = i > 0 ? string.charCodeAt(i - 1) : null; + plain = plain && isPlainSafe(char, prev_char); + } + // in case the end is missing a \n + hasFoldableLine = hasFoldableLine || (shouldTrackWidth && + (i - previousLineBreak - 1 > lineWidth && + string[previousLineBreak + 1] !== ' ')); + } + // Although every style can represent \n without escaping, prefer block styles + // for multiline, since they're more readable and they don't add empty lines. + // Also prefer folding a super-long line. + if (!hasLineBreak && !hasFoldableLine) { + // Strings interpretable as another type have to be quoted; + // e.g. the string 'true' vs. the boolean true. + return plain && !testAmbiguousType(string) + ? STYLE_PLAIN : STYLE_SINGLE; + } + // Edge case: block indentation indicator can only have one digit. + if (indentPerLevel > 9 && needIndentIndicator(string)) { + return STYLE_DOUBLE; + } + // At this point we know block styles are valid. + // Prefer literal style unless we want to fold. + return hasFoldableLine ? STYLE_FOLDED : STYLE_LITERAL; +} + +// Note: line breaking/folding is implemented for only the folded style. +// NB. We drop the last trailing newline (if any) of a returned block scalar +// since the dumper adds its own newline. This always works: +// • No ending newline => unaffected; already using strip "-" chomping. +// • Ending newline => removed then restored. +// Importantly, this keeps the "+" chomp indicator from gaining an extra line. +function writeScalar(state, string, level, iskey) { + state.dump = (function () { + if (string.length === 0) { + return "''"; + } + if (!state.noCompatMode && + DEPRECATED_BOOLEANS_SYNTAX.indexOf(string) !== -1) { + return "'" + string + "'"; + } + + var indent = state.indent * Math.max(1, level); // no 0-indent scalars + // As indentation gets deeper, let the width decrease monotonically + // to the lower bound min(state.lineWidth, 40). + // Note that this implies + // state.lineWidth ≤ 40 + state.indent: width is fixed at the lower bound. + // state.lineWidth > 40 + state.indent: width decreases until the lower bound. + // This behaves better than a constant minimum width which disallows narrower options, + // or an indent threshold which causes the width to suddenly increase. + var lineWidth = state.lineWidth === -1 + ? -1 : Math.max(Math.min(state.lineWidth, 40), state.lineWidth - indent); + + // Without knowing if keys are implicit/explicit, assume implicit for safety. + var singleLineOnly = iskey + // No block styles in flow mode. + || (state.flowLevel > -1 && level >= state.flowLevel); + function testAmbiguity(string) { + return testImplicitResolving(state, string); + } + + switch (chooseScalarStyle(string, singleLineOnly, state.indent, lineWidth, testAmbiguity)) { + case STYLE_PLAIN: + return string; + case STYLE_SINGLE: + return "'" + string.replace(/'/g, "''") + "'"; + case STYLE_LITERAL: + return '|' + blockHeader(string, state.indent) + + dropEndingNewline(indentString(string, indent)); + case STYLE_FOLDED: + return '>' + blockHeader(string, state.indent) + + dropEndingNewline(indentString(foldString(string, lineWidth), indent)); + case STYLE_DOUBLE: + return '"' + escapeString(string, lineWidth) + '"'; + default: + throw new YAMLException('impossible error: invalid scalar style'); + } + }()); +} + +// Pre-conditions: string is valid for a block scalar, 1 <= indentPerLevel <= 9. +function blockHeader(string, indentPerLevel) { + var indentIndicator = needIndentIndicator(string) ? String(indentPerLevel) : ''; + + // note the special case: the string '\n' counts as a "trailing" empty line. + var clip = string[string.length - 1] === '\n'; + var keep = clip && (string[string.length - 2] === '\n' || string === '\n'); + var chomp = keep ? '+' : (clip ? '' : '-'); + + return indentIndicator + chomp + '\n'; +} + +// (See the note for writeScalar.) +function dropEndingNewline(string) { + return string[string.length - 1] === '\n' ? string.slice(0, -1) : string; +} + +// Note: a long line without a suitable break point will exceed the width limit. +// Pre-conditions: every char in str isPrintable, str.length > 0, width > 0. +function foldString(string, width) { + // In folded style, $k$ consecutive newlines output as $k+1$ newlines— + // unless they're before or after a more-indented line, or at the very + // beginning or end, in which case $k$ maps to $k$. + // Therefore, parse each chunk as newline(s) followed by a content line. + var lineRe = /(\n+)([^\n]*)/g; + + // first line (possibly an empty line) + var result = (function () { + var nextLF = string.indexOf('\n'); + nextLF = nextLF !== -1 ? nextLF : string.length; + lineRe.lastIndex = nextLF; + return foldLine(string.slice(0, nextLF), width); + }()); + // If we haven't reached the first content line yet, don't add an extra \n. + var prevMoreIndented = string[0] === '\n' || string[0] === ' '; + var moreIndented; + + // rest of the lines + var match; + while ((match = lineRe.exec(string))) { + var prefix = match[1], line = match[2]; + moreIndented = (line[0] === ' '); + result += prefix + + (!prevMoreIndented && !moreIndented && line !== '' + ? '\n' : '') + + foldLine(line, width); + prevMoreIndented = moreIndented; + } + + return result; +} + +// Greedy line breaking. +// Picks the longest line under the limit each time, +// otherwise settles for the shortest line over the limit. +// NB. More-indented lines *cannot* be folded, as that would add an extra \n. +function foldLine(line, width) { + if (line === '' || line[0] === ' ') return line; + + // Since a more-indented line adds a \n, breaks can't be followed by a space. + var breakRe = / [^ ]/g; // note: the match index will always be <= length-2. + var match; + // start is an inclusive index. end, curr, and next are exclusive. + var start = 0, end, curr = 0, next = 0; + var result = ''; + + // Invariants: 0 <= start <= length-1. + // 0 <= curr <= next <= max(0, length-2). curr - start <= width. + // Inside the loop: + // A match implies length >= 2, so curr and next are <= length-2. + while ((match = breakRe.exec(line))) { + next = match.index; + // maintain invariant: curr - start <= width + if (next - start > width) { + end = (curr > start) ? curr : next; // derive end <= length-2 + result += '\n' + line.slice(start, end); + // skip the space that was output as \n + start = end + 1; // derive start <= length-1 + } + curr = next; + } + + // By the invariants, start <= length-1, so there is something left over. + // It is either the whole string or a part starting from non-whitespace. + result += '\n'; + // Insert a break if the remainder is too long and there is a break available. + if (line.length - start > width && curr > start) { + result += line.slice(start, curr) + '\n' + line.slice(curr + 1); + } else { + result += line.slice(start); + } + + return result.slice(1); // drop extra \n joiner +} + +// Escapes a double-quoted string. +function escapeString(string) { + var result = ''; + var char, nextChar; + var escapeSeq; + + for (var i = 0; i < string.length; i++) { + char = string.charCodeAt(i); + // Check for surrogate pairs (reference Unicode 3.0 section "3.7 Surrogates"). + if (char >= 0xD800 && char <= 0xDBFF/* high surrogate */) { + nextChar = string.charCodeAt(i + 1); + if (nextChar >= 0xDC00 && nextChar <= 0xDFFF/* low surrogate */) { + // Combine the surrogate pair and store it escaped. + result += encodeHex((char - 0xD800) * 0x400 + nextChar - 0xDC00 + 0x10000); + // Advance index one extra since we already used that char here. + i++; continue; + } + } + escapeSeq = ESCAPE_SEQUENCES[char]; + result += !escapeSeq && isPrintable(char) + ? string[i] + : escapeSeq || encodeHex(char); + } + + return result; +} + +function writeFlowSequence(state, level, object) { + var _result = '', + _tag = state.tag, + index, + length; + + for (index = 0, length = object.length; index < length; index += 1) { + // Write only valid elements. + if (writeNode(state, level, object[index], false, false)) { + if (index !== 0) _result += ',' + (!state.condenseFlow ? ' ' : ''); + _result += state.dump; + } + } + + state.tag = _tag; + state.dump = '[' + _result + ']'; +} + +function writeBlockSequence(state, level, object, compact) { + var _result = '', + _tag = state.tag, + index, + length; + + for (index = 0, length = object.length; index < length; index += 1) { + // Write only valid elements. + if (writeNode(state, level + 1, object[index], true, true)) { + if (!compact || index !== 0) { + _result += generateNextLine(state, level); + } + + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + _result += '-'; + } else { + _result += '- '; + } + + _result += state.dump; + } + } + + state.tag = _tag; + state.dump = _result || '[]'; // Empty sequence if no valid values. +} + +function writeFlowMapping(state, level, object) { + var _result = '', + _tag = state.tag, + objectKeyList = Object.keys(object), + index, + length, + objectKey, + objectValue, + pairBuffer; + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + + pairBuffer = ''; + if (index !== 0) pairBuffer += ', '; + + if (state.condenseFlow) pairBuffer += '"'; + + objectKey = objectKeyList[index]; + objectValue = object[objectKey]; + + if (!writeNode(state, level, objectKey, false, false)) { + continue; // Skip this pair because of invalid key; + } + + if (state.dump.length > 1024) pairBuffer += '? '; + + pairBuffer += state.dump + (state.condenseFlow ? '"' : '') + ':' + (state.condenseFlow ? '' : ' '); + + if (!writeNode(state, level, objectValue, false, false)) { + continue; // Skip this pair because of invalid value. + } + + pairBuffer += state.dump; + + // Both key and value are valid. + _result += pairBuffer; + } + + state.tag = _tag; + state.dump = '{' + _result + '}'; +} + +function writeBlockMapping(state, level, object, compact) { + var _result = '', + _tag = state.tag, + objectKeyList = Object.keys(object), + index, + length, + objectKey, + objectValue, + explicitPair, + pairBuffer; + + // Allow sorting keys so that the output file is deterministic + if (state.sortKeys === true) { + // Default sorting + objectKeyList.sort(); + } else if (typeof state.sortKeys === 'function') { + // Custom sort function + objectKeyList.sort(state.sortKeys); + } else if (state.sortKeys) { + // Something is wrong + throw new YAMLException('sortKeys must be a boolean or a function'); + } + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + pairBuffer = ''; + + if (!compact || index !== 0) { + pairBuffer += generateNextLine(state, level); + } + + objectKey = objectKeyList[index]; + objectValue = object[objectKey]; + + if (!writeNode(state, level + 1, objectKey, true, true, true)) { + continue; // Skip this pair because of invalid key. + } + + explicitPair = (state.tag !== null && state.tag !== '?') || + (state.dump && state.dump.length > 1024); + + if (explicitPair) { + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + pairBuffer += '?'; + } else { + pairBuffer += '? '; + } + } + + pairBuffer += state.dump; + + if (explicitPair) { + pairBuffer += generateNextLine(state, level); + } + + if (!writeNode(state, level + 1, objectValue, true, explicitPair)) { + continue; // Skip this pair because of invalid value. + } + + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + pairBuffer += ':'; + } else { + pairBuffer += ': '; + } + + pairBuffer += state.dump; + + // Both key and value are valid. + _result += pairBuffer; + } + + state.tag = _tag; + state.dump = _result || '{}'; // Empty mapping if no valid pairs. +} + +function detectType(state, object, explicit) { + var _result, typeList, index, length, type, style; + + typeList = explicit ? state.explicitTypes : state.implicitTypes; + + for (index = 0, length = typeList.length; index < length; index += 1) { + type = typeList[index]; + + if ((type.instanceOf || type.predicate) && + (!type.instanceOf || ((typeof object === 'object') && (object instanceof type.instanceOf))) && + (!type.predicate || type.predicate(object))) { + + state.tag = explicit ? type.tag : '?'; + + if (type.represent) { + style = state.styleMap[type.tag] || type.defaultStyle; + + if (_toString.call(type.represent) === '[object Function]') { + _result = type.represent(object, style); + } else if (_hasOwnProperty.call(type.represent, style)) { + _result = type.represent[style](object, style); + } else { + throw new YAMLException('!<' + type.tag + '> tag resolver accepts not "' + style + '" style'); + } + + state.dump = _result; + } + + return true; + } + } + + return false; +} + +// Serializes `object` and writes it to global `result`. +// Returns true on success, or false on invalid object. +// +function writeNode(state, level, object, block, compact, iskey) { + state.tag = null; + state.dump = object; + + if (!detectType(state, object, false)) { + detectType(state, object, true); + } + + var type = _toString.call(state.dump); + + if (block) { + block = (state.flowLevel < 0 || state.flowLevel > level); + } + + var objectOrArray = type === '[object Object]' || type === '[object Array]', + duplicateIndex, + duplicate; + + if (objectOrArray) { + duplicateIndex = state.duplicates.indexOf(object); + duplicate = duplicateIndex !== -1; + } + + if ((state.tag !== null && state.tag !== '?') || duplicate || (state.indent !== 2 && level > 0)) { + compact = false; + } + + if (duplicate && state.usedDuplicates[duplicateIndex]) { + state.dump = '*ref_' + duplicateIndex; + } else { + if (objectOrArray && duplicate && !state.usedDuplicates[duplicateIndex]) { + state.usedDuplicates[duplicateIndex] = true; + } + if (type === '[object Object]') { + if (block && (Object.keys(state.dump).length !== 0)) { + writeBlockMapping(state, level, state.dump, compact); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + state.dump; + } + } else { + writeFlowMapping(state, level, state.dump); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + ' ' + state.dump; + } + } + } else if (type === '[object Array]') { + var arrayLevel = (state.noArrayIndent && (level > 0)) ? level - 1 : level; + if (block && (state.dump.length !== 0)) { + writeBlockSequence(state, arrayLevel, state.dump, compact); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + state.dump; + } + } else { + writeFlowSequence(state, arrayLevel, state.dump); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + ' ' + state.dump; + } + } + } else if (type === '[object String]') { + if (state.tag !== '?') { + writeScalar(state, state.dump, level, iskey); + } + } else { + if (state.skipInvalid) return false; + throw new YAMLException('unacceptable kind of an object to dump ' + type); + } + + if (state.tag !== null && state.tag !== '?') { + state.dump = '!<' + state.tag + '> ' + state.dump; + } + } + + return true; +} + +function getDuplicateReferences(object, state) { + var objects = [], + duplicatesIndexes = [], + index, + length; + + inspectNode(object, objects, duplicatesIndexes); + + for (index = 0, length = duplicatesIndexes.length; index < length; index += 1) { + state.duplicates.push(objects[duplicatesIndexes[index]]); + } + state.usedDuplicates = new Array(length); +} + +function inspectNode(object, objects, duplicatesIndexes) { + var objectKeyList, + index, + length; + + if (object !== null && typeof object === 'object') { + index = objects.indexOf(object); + if (index !== -1) { + if (duplicatesIndexes.indexOf(index) === -1) { + duplicatesIndexes.push(index); + } + } else { + objects.push(object); + + if (Array.isArray(object)) { + for (index = 0, length = object.length; index < length; index += 1) { + inspectNode(object[index], objects, duplicatesIndexes); + } + } else { + objectKeyList = Object.keys(object); + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + inspectNode(object[objectKeyList[index]], objects, duplicatesIndexes); + } + } + } + } +} + +function dump(input, options) { + options = options || {}; + + var state = new State(options); + + if (!state.noRefs) getDuplicateReferences(input, state); + + if (writeNode(state, 0, input, true, true)) return state.dump + '\n'; + + return ''; +} + +function safeDump(input, options) { + return dump(input, common.extend({ schema: DEFAULT_SAFE_SCHEMA }, options)); +} + +module.exports.dump = dump; +module.exports.safeDump = safeDump; + +},{"./common":7,"./exception":9,"./schema/default_full":14,"./schema/default_safe":15}],9:[function(require,module,exports){ +// YAML error class. http://stackoverflow.com/questions/8458984 +// +'use strict'; + +function YAMLException(reason, mark) { + // Super constructor + Error.call(this); + + this.name = 'YAMLException'; + this.reason = reason; + this.mark = mark; + this.message = (this.reason || '(unknown reason)') + (this.mark ? ' ' + this.mark.toString() : ''); + + // Include stack trace in error object + if (Error.captureStackTrace) { + // Chrome and NodeJS + Error.captureStackTrace(this, this.constructor); + } else { + // FF, IE 10+ and Safari 6+. Fallback for others + this.stack = (new Error()).stack || ''; + } +} + + +// Inherit from Error +YAMLException.prototype = Object.create(Error.prototype); +YAMLException.prototype.constructor = YAMLException; + + +YAMLException.prototype.toString = function toString(compact) { + var result = this.name + ': '; + + result += this.reason || '(unknown reason)'; + + if (!compact && this.mark) { + result += ' ' + this.mark.toString(); + } + + return result; +}; + + +module.exports = YAMLException; + +},{}],10:[function(require,module,exports){ +'use strict'; + +/*eslint-disable max-len,no-use-before-define*/ + +var common = require('./common'); +var YAMLException = require('./exception'); +var Mark = require('./mark'); +var DEFAULT_SAFE_SCHEMA = require('./schema/default_safe'); +var DEFAULT_FULL_SCHEMA = require('./schema/default_full'); + + +var _hasOwnProperty = Object.prototype.hasOwnProperty; + + +var CONTEXT_FLOW_IN = 1; +var CONTEXT_FLOW_OUT = 2; +var CONTEXT_BLOCK_IN = 3; +var CONTEXT_BLOCK_OUT = 4; + + +var CHOMPING_CLIP = 1; +var CHOMPING_STRIP = 2; +var CHOMPING_KEEP = 3; + + +var PATTERN_NON_PRINTABLE = /[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x84\x86-\x9F\uFFFE\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/; +var PATTERN_NON_ASCII_LINE_BREAKS = /[\x85\u2028\u2029]/; +var PATTERN_FLOW_INDICATORS = /[,\[\]\{\}]/; +var PATTERN_TAG_HANDLE = /^(?:!|!!|![a-z\-]+!)$/i; +var PATTERN_TAG_URI = /^(?:!|[^,\[\]\{\}])(?:%[0-9a-f]{2}|[0-9a-z\-#;\/\?:@&=\+\$,_\.!~\*'\(\)\[\]])*$/i; + + +function _class(obj) { return Object.prototype.toString.call(obj); } + +function is_EOL(c) { + return (c === 0x0A/* LF */) || (c === 0x0D/* CR */); +} + +function is_WHITE_SPACE(c) { + return (c === 0x09/* Tab */) || (c === 0x20/* Space */); +} + +function is_WS_OR_EOL(c) { + return (c === 0x09/* Tab */) || + (c === 0x20/* Space */) || + (c === 0x0A/* LF */) || + (c === 0x0D/* CR */); +} + +function is_FLOW_INDICATOR(c) { + return c === 0x2C/* , */ || + c === 0x5B/* [ */ || + c === 0x5D/* ] */ || + c === 0x7B/* { */ || + c === 0x7D/* } */; +} + +function fromHexCode(c) { + var lc; + + if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) { + return c - 0x30; + } + + /*eslint-disable no-bitwise*/ + lc = c | 0x20; + + if ((0x61/* a */ <= lc) && (lc <= 0x66/* f */)) { + return lc - 0x61 + 10; + } + + return -1; +} + +function escapedHexLen(c) { + if (c === 0x78/* x */) { return 2; } + if (c === 0x75/* u */) { return 4; } + if (c === 0x55/* U */) { return 8; } + return 0; +} + +function fromDecimalCode(c) { + if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) { + return c - 0x30; + } + + return -1; +} + +function simpleEscapeSequence(c) { + /* eslint-disable indent */ + return (c === 0x30/* 0 */) ? '\x00' : + (c === 0x61/* a */) ? '\x07' : + (c === 0x62/* b */) ? '\x08' : + (c === 0x74/* t */) ? '\x09' : + (c === 0x09/* Tab */) ? '\x09' : + (c === 0x6E/* n */) ? '\x0A' : + (c === 0x76/* v */) ? '\x0B' : + (c === 0x66/* f */) ? '\x0C' : + (c === 0x72/* r */) ? '\x0D' : + (c === 0x65/* e */) ? '\x1B' : + (c === 0x20/* Space */) ? ' ' : + (c === 0x22/* " */) ? '\x22' : + (c === 0x2F/* / */) ? '/' : + (c === 0x5C/* \ */) ? '\x5C' : + (c === 0x4E/* N */) ? '\x85' : + (c === 0x5F/* _ */) ? '\xA0' : + (c === 0x4C/* L */) ? '\u2028' : + (c === 0x50/* P */) ? '\u2029' : ''; +} + +function charFromCodepoint(c) { + if (c <= 0xFFFF) { + return String.fromCharCode(c); + } + // Encode UTF-16 surrogate pair + // https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B010000_to_U.2B10FFFF + return String.fromCharCode( + ((c - 0x010000) >> 10) + 0xD800, + ((c - 0x010000) & 0x03FF) + 0xDC00 + ); +} + +var simpleEscapeCheck = new Array(256); // integer, for fast access +var simpleEscapeMap = new Array(256); +for (var i = 0; i < 256; i++) { + simpleEscapeCheck[i] = simpleEscapeSequence(i) ? 1 : 0; + simpleEscapeMap[i] = simpleEscapeSequence(i); +} + + +function State(input, options) { + this.input = input; + + this.filename = options['filename'] || null; + this.schema = options['schema'] || DEFAULT_FULL_SCHEMA; + this.onWarning = options['onWarning'] || null; + this.legacy = options['legacy'] || false; + this.json = options['json'] || false; + this.listener = options['listener'] || null; + + this.implicitTypes = this.schema.compiledImplicit; + this.typeMap = this.schema.compiledTypeMap; + + this.length = input.length; + this.position = 0; + this.line = 0; + this.lineStart = 0; + this.lineIndent = 0; + + this.documents = []; + + /* + this.version; + this.checkLineBreaks; + this.tagMap; + this.anchorMap; + this.tag; + this.anchor; + this.kind; + this.result;*/ + +} + + +function generateError(state, message) { + return new YAMLException( + message, + new Mark(state.filename, state.input, state.position, state.line, (state.position - state.lineStart))); +} + +function throwError(state, message) { + throw generateError(state, message); +} + +function throwWarning(state, message) { + if (state.onWarning) { + state.onWarning.call(null, generateError(state, message)); + } +} + + +var directiveHandlers = { + + YAML: function handleYamlDirective(state, name, args) { + + var match, major, minor; + + if (state.version !== null) { + throwError(state, 'duplication of %YAML directive'); + } + + if (args.length !== 1) { + throwError(state, 'YAML directive accepts exactly one argument'); + } + + match = /^([0-9]+)\.([0-9]+)$/.exec(args[0]); + + if (match === null) { + throwError(state, 'ill-formed argument of the YAML directive'); + } + + major = parseInt(match[1], 10); + minor = parseInt(match[2], 10); + + if (major !== 1) { + throwError(state, 'unacceptable YAML version of the document'); + } + + state.version = args[0]; + state.checkLineBreaks = (minor < 2); + + if (minor !== 1 && minor !== 2) { + throwWarning(state, 'unsupported YAML version of the document'); + } + }, + + TAG: function handleTagDirective(state, name, args) { + + var handle, prefix; + + if (args.length !== 2) { + throwError(state, 'TAG directive accepts exactly two arguments'); + } + + handle = args[0]; + prefix = args[1]; + + if (!PATTERN_TAG_HANDLE.test(handle)) { + throwError(state, 'ill-formed tag handle (first argument) of the TAG directive'); + } + + if (_hasOwnProperty.call(state.tagMap, handle)) { + throwError(state, 'there is a previously declared suffix for "' + handle + '" tag handle'); + } + + if (!PATTERN_TAG_URI.test(prefix)) { + throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive'); + } + + state.tagMap[handle] = prefix; + } +}; + + +function captureSegment(state, start, end, checkJson) { + var _position, _length, _character, _result; + + if (start < end) { + _result = state.input.slice(start, end); + + if (checkJson) { + for (_position = 0, _length = _result.length; _position < _length; _position += 1) { + _character = _result.charCodeAt(_position); + if (!(_character === 0x09 || + (0x20 <= _character && _character <= 0x10FFFF))) { + throwError(state, 'expected valid JSON character'); + } + } + } else if (PATTERN_NON_PRINTABLE.test(_result)) { + throwError(state, 'the stream contains non-printable characters'); + } + + state.result += _result; + } +} + +function mergeMappings(state, destination, source, overridableKeys) { + var sourceKeys, key, index, quantity; + + if (!common.isObject(source)) { + throwError(state, 'cannot merge mappings; the provided source object is unacceptable'); + } + + sourceKeys = Object.keys(source); + + for (index = 0, quantity = sourceKeys.length; index < quantity; index += 1) { + key = sourceKeys[index]; + + if (!_hasOwnProperty.call(destination, key)) { + destination[key] = source[key]; + overridableKeys[key] = true; + } + } +} + +function storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, startLine, startPos) { + var index, quantity; + + // The output is a plain object here, so keys can only be strings. + // We need to convert keyNode to a string, but doing so can hang the process + // (deeply nested arrays that explode exponentially using aliases). + if (Array.isArray(keyNode)) { + keyNode = Array.prototype.slice.call(keyNode); + + for (index = 0, quantity = keyNode.length; index < quantity; index += 1) { + if (Array.isArray(keyNode[index])) { + throwError(state, 'nested arrays are not supported inside keys'); + } + + if (typeof keyNode === 'object' && _class(keyNode[index]) === '[object Object]') { + keyNode[index] = '[object Object]'; + } + } + } + + // Avoid code execution in load() via toString property + // (still use its own toString for arrays, timestamps, + // and whatever user schema extensions happen to have @@toStringTag) + if (typeof keyNode === 'object' && _class(keyNode) === '[object Object]') { + keyNode = '[object Object]'; + } + + + keyNode = String(keyNode); + + if (_result === null) { + _result = {}; + } + + if (keyTag === 'tag:yaml.org,2002:merge') { + if (Array.isArray(valueNode)) { + for (index = 0, quantity = valueNode.length; index < quantity; index += 1) { + mergeMappings(state, _result, valueNode[index], overridableKeys); + } + } else { + mergeMappings(state, _result, valueNode, overridableKeys); + } + } else { + if (!state.json && + !_hasOwnProperty.call(overridableKeys, keyNode) && + _hasOwnProperty.call(_result, keyNode)) { + state.line = startLine || state.line; + state.position = startPos || state.position; + throwError(state, 'duplicated mapping key'); + } + _result[keyNode] = valueNode; + delete overridableKeys[keyNode]; + } + + return _result; +} + +function readLineBreak(state) { + var ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x0A/* LF */) { + state.position++; + } else if (ch === 0x0D/* CR */) { + state.position++; + if (state.input.charCodeAt(state.position) === 0x0A/* LF */) { + state.position++; + } + } else { + throwError(state, 'a line break is expected'); + } + + state.line += 1; + state.lineStart = state.position; +} + +function skipSeparationSpace(state, allowComments, checkIndent) { + var lineBreaks = 0, + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + while (is_WHITE_SPACE(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (allowComments && ch === 0x23/* # */) { + do { + ch = state.input.charCodeAt(++state.position); + } while (ch !== 0x0A/* LF */ && ch !== 0x0D/* CR */ && ch !== 0); + } + + if (is_EOL(ch)) { + readLineBreak(state); + + ch = state.input.charCodeAt(state.position); + lineBreaks++; + state.lineIndent = 0; + + while (ch === 0x20/* Space */) { + state.lineIndent++; + ch = state.input.charCodeAt(++state.position); + } + } else { + break; + } + } + + if (checkIndent !== -1 && lineBreaks !== 0 && state.lineIndent < checkIndent) { + throwWarning(state, 'deficient indentation'); + } + + return lineBreaks; +} + +function testDocumentSeparator(state) { + var _position = state.position, + ch; + + ch = state.input.charCodeAt(_position); + + // Condition state.position === state.lineStart is tested + // in parent on each call, for efficiency. No needs to test here again. + if ((ch === 0x2D/* - */ || ch === 0x2E/* . */) && + ch === state.input.charCodeAt(_position + 1) && + ch === state.input.charCodeAt(_position + 2)) { + + _position += 3; + + ch = state.input.charCodeAt(_position); + + if (ch === 0 || is_WS_OR_EOL(ch)) { + return true; + } + } + + return false; +} + +function writeFoldedLines(state, count) { + if (count === 1) { + state.result += ' '; + } else if (count > 1) { + state.result += common.repeat('\n', count - 1); + } +} + + +function readPlainScalar(state, nodeIndent, withinFlowCollection) { + var preceding, + following, + captureStart, + captureEnd, + hasPendingContent, + _line, + _lineStart, + _lineIndent, + _kind = state.kind, + _result = state.result, + ch; + + ch = state.input.charCodeAt(state.position); + + if (is_WS_OR_EOL(ch) || + is_FLOW_INDICATOR(ch) || + ch === 0x23/* # */ || + ch === 0x26/* & */ || + ch === 0x2A/* * */ || + ch === 0x21/* ! */ || + ch === 0x7C/* | */ || + ch === 0x3E/* > */ || + ch === 0x27/* ' */ || + ch === 0x22/* " */ || + ch === 0x25/* % */ || + ch === 0x40/* @ */ || + ch === 0x60/* ` */) { + return false; + } + + if (ch === 0x3F/* ? */ || ch === 0x2D/* - */) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following) || + withinFlowCollection && is_FLOW_INDICATOR(following)) { + return false; + } + } + + state.kind = 'scalar'; + state.result = ''; + captureStart = captureEnd = state.position; + hasPendingContent = false; + + while (ch !== 0) { + if (ch === 0x3A/* : */) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following) || + withinFlowCollection && is_FLOW_INDICATOR(following)) { + break; + } + + } else if (ch === 0x23/* # */) { + preceding = state.input.charCodeAt(state.position - 1); + + if (is_WS_OR_EOL(preceding)) { + break; + } + + } else if ((state.position === state.lineStart && testDocumentSeparator(state)) || + withinFlowCollection && is_FLOW_INDICATOR(ch)) { + break; + + } else if (is_EOL(ch)) { + _line = state.line; + _lineStart = state.lineStart; + _lineIndent = state.lineIndent; + skipSeparationSpace(state, false, -1); + + if (state.lineIndent >= nodeIndent) { + hasPendingContent = true; + ch = state.input.charCodeAt(state.position); + continue; + } else { + state.position = captureEnd; + state.line = _line; + state.lineStart = _lineStart; + state.lineIndent = _lineIndent; + break; + } + } + + if (hasPendingContent) { + captureSegment(state, captureStart, captureEnd, false); + writeFoldedLines(state, state.line - _line); + captureStart = captureEnd = state.position; + hasPendingContent = false; + } + + if (!is_WHITE_SPACE(ch)) { + captureEnd = state.position + 1; + } + + ch = state.input.charCodeAt(++state.position); + } + + captureSegment(state, captureStart, captureEnd, false); + + if (state.result) { + return true; + } + + state.kind = _kind; + state.result = _result; + return false; +} + +function readSingleQuotedScalar(state, nodeIndent) { + var ch, + captureStart, captureEnd; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x27/* ' */) { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + state.position++; + captureStart = captureEnd = state.position; + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + if (ch === 0x27/* ' */) { + captureSegment(state, captureStart, state.position, true); + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x27/* ' */) { + captureStart = state.position; + state.position++; + captureEnd = state.position; + } else { + return true; + } + + } else if (is_EOL(ch)) { + captureSegment(state, captureStart, captureEnd, true); + writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent)); + captureStart = captureEnd = state.position; + + } else if (state.position === state.lineStart && testDocumentSeparator(state)) { + throwError(state, 'unexpected end of the document within a single quoted scalar'); + + } else { + state.position++; + captureEnd = state.position; + } + } + + throwError(state, 'unexpected end of the stream within a single quoted scalar'); +} + +function readDoubleQuotedScalar(state, nodeIndent) { + var captureStart, + captureEnd, + hexLength, + hexResult, + tmp, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x22/* " */) { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + state.position++; + captureStart = captureEnd = state.position; + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + if (ch === 0x22/* " */) { + captureSegment(state, captureStart, state.position, true); + state.position++; + return true; + + } else if (ch === 0x5C/* \ */) { + captureSegment(state, captureStart, state.position, true); + ch = state.input.charCodeAt(++state.position); + + if (is_EOL(ch)) { + skipSeparationSpace(state, false, nodeIndent); + + // TODO: rework to inline fn with no type cast? + } else if (ch < 256 && simpleEscapeCheck[ch]) { + state.result += simpleEscapeMap[ch]; + state.position++; + + } else if ((tmp = escapedHexLen(ch)) > 0) { + hexLength = tmp; + hexResult = 0; + + for (; hexLength > 0; hexLength--) { + ch = state.input.charCodeAt(++state.position); + + if ((tmp = fromHexCode(ch)) >= 0) { + hexResult = (hexResult << 4) + tmp; + + } else { + throwError(state, 'expected hexadecimal character'); + } + } + + state.result += charFromCodepoint(hexResult); + + state.position++; + + } else { + throwError(state, 'unknown escape sequence'); + } + + captureStart = captureEnd = state.position; + + } else if (is_EOL(ch)) { + captureSegment(state, captureStart, captureEnd, true); + writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent)); + captureStart = captureEnd = state.position; + + } else if (state.position === state.lineStart && testDocumentSeparator(state)) { + throwError(state, 'unexpected end of the document within a double quoted scalar'); + + } else { + state.position++; + captureEnd = state.position; + } + } + + throwError(state, 'unexpected end of the stream within a double quoted scalar'); +} + +function readFlowCollection(state, nodeIndent) { + var readNext = true, + _line, + _tag = state.tag, + _result, + _anchor = state.anchor, + following, + terminator, + isPair, + isExplicitPair, + isMapping, + overridableKeys = {}, + keyNode, + keyTag, + valueNode, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x5B/* [ */) { + terminator = 0x5D;/* ] */ + isMapping = false; + _result = []; + } else if (ch === 0x7B/* { */) { + terminator = 0x7D;/* } */ + isMapping = true; + _result = {}; + } else { + return false; + } + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(++state.position); + + while (ch !== 0) { + skipSeparationSpace(state, true, nodeIndent); + + ch = state.input.charCodeAt(state.position); + + if (ch === terminator) { + state.position++; + state.tag = _tag; + state.anchor = _anchor; + state.kind = isMapping ? 'mapping' : 'sequence'; + state.result = _result; + return true; + } else if (!readNext) { + throwError(state, 'missed comma between flow collection entries'); + } + + keyTag = keyNode = valueNode = null; + isPair = isExplicitPair = false; + + if (ch === 0x3F/* ? */) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following)) { + isPair = isExplicitPair = true; + state.position++; + skipSeparationSpace(state, true, nodeIndent); + } + } + + _line = state.line; + composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true); + keyTag = state.tag; + keyNode = state.result; + skipSeparationSpace(state, true, nodeIndent); + + ch = state.input.charCodeAt(state.position); + + if ((isExplicitPair || state.line === _line) && ch === 0x3A/* : */) { + isPair = true; + ch = state.input.charCodeAt(++state.position); + skipSeparationSpace(state, true, nodeIndent); + composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true); + valueNode = state.result; + } + + if (isMapping) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode); + } else if (isPair) { + _result.push(storeMappingPair(state, null, overridableKeys, keyTag, keyNode, valueNode)); + } else { + _result.push(keyNode); + } + + skipSeparationSpace(state, true, nodeIndent); + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x2C/* , */) { + readNext = true; + ch = state.input.charCodeAt(++state.position); + } else { + readNext = false; + } + } + + throwError(state, 'unexpected end of the stream within a flow collection'); +} + +function readBlockScalar(state, nodeIndent) { + var captureStart, + folding, + chomping = CHOMPING_CLIP, + didReadContent = false, + detectedIndent = false, + textIndent = nodeIndent, + emptyLines = 0, + atMoreIndented = false, + tmp, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x7C/* | */) { + folding = false; + } else if (ch === 0x3E/* > */) { + folding = true; + } else { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + + while (ch !== 0) { + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x2B/* + */ || ch === 0x2D/* - */) { + if (CHOMPING_CLIP === chomping) { + chomping = (ch === 0x2B/* + */) ? CHOMPING_KEEP : CHOMPING_STRIP; + } else { + throwError(state, 'repeat of a chomping mode identifier'); + } + + } else if ((tmp = fromDecimalCode(ch)) >= 0) { + if (tmp === 0) { + throwError(state, 'bad explicit indentation width of a block scalar; it cannot be less than one'); + } else if (!detectedIndent) { + textIndent = nodeIndent + tmp - 1; + detectedIndent = true; + } else { + throwError(state, 'repeat of an indentation width identifier'); + } + + } else { + break; + } + } + + if (is_WHITE_SPACE(ch)) { + do { ch = state.input.charCodeAt(++state.position); } + while (is_WHITE_SPACE(ch)); + + if (ch === 0x23/* # */) { + do { ch = state.input.charCodeAt(++state.position); } + while (!is_EOL(ch) && (ch !== 0)); + } + } + + while (ch !== 0) { + readLineBreak(state); + state.lineIndent = 0; + + ch = state.input.charCodeAt(state.position); + + while ((!detectedIndent || state.lineIndent < textIndent) && + (ch === 0x20/* Space */)) { + state.lineIndent++; + ch = state.input.charCodeAt(++state.position); + } + + if (!detectedIndent && state.lineIndent > textIndent) { + textIndent = state.lineIndent; + } + + if (is_EOL(ch)) { + emptyLines++; + continue; + } + + // End of the scalar. + if (state.lineIndent < textIndent) { + + // Perform the chomping. + if (chomping === CHOMPING_KEEP) { + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + } else if (chomping === CHOMPING_CLIP) { + if (didReadContent) { // i.e. only if the scalar is not empty. + state.result += '\n'; + } + } + + // Break this `while` cycle and go to the funciton's epilogue. + break; + } + + // Folded style: use fancy rules to handle line breaks. + if (folding) { + + // Lines starting with white space characters (more-indented lines) are not folded. + if (is_WHITE_SPACE(ch)) { + atMoreIndented = true; + // except for the first content line (cf. Example 8.1) + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + + // End of more-indented block. + } else if (atMoreIndented) { + atMoreIndented = false; + state.result += common.repeat('\n', emptyLines + 1); + + // Just one line break - perceive as the same line. + } else if (emptyLines === 0) { + if (didReadContent) { // i.e. only if we have already read some scalar content. + state.result += ' '; + } + + // Several line breaks - perceive as different lines. + } else { + state.result += common.repeat('\n', emptyLines); + } + + // Literal style: just add exact number of line breaks between content lines. + } else { + // Keep all line breaks except the header line break. + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + } + + didReadContent = true; + detectedIndent = true; + emptyLines = 0; + captureStart = state.position; + + while (!is_EOL(ch) && (ch !== 0)) { + ch = state.input.charCodeAt(++state.position); + } + + captureSegment(state, captureStart, state.position, false); + } + + return true; +} + +function readBlockSequence(state, nodeIndent) { + var _line, + _tag = state.tag, + _anchor = state.anchor, + _result = [], + following, + detected = false, + ch; + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + + if (ch !== 0x2D/* - */) { + break; + } + + following = state.input.charCodeAt(state.position + 1); + + if (!is_WS_OR_EOL(following)) { + break; + } + + detected = true; + state.position++; + + if (skipSeparationSpace(state, true, -1)) { + if (state.lineIndent <= nodeIndent) { + _result.push(null); + ch = state.input.charCodeAt(state.position); + continue; + } + } + + _line = state.line; + composeNode(state, nodeIndent, CONTEXT_BLOCK_IN, false, true); + _result.push(state.result); + skipSeparationSpace(state, true, -1); + + ch = state.input.charCodeAt(state.position); + + if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) { + throwError(state, 'bad indentation of a sequence entry'); + } else if (state.lineIndent < nodeIndent) { + break; + } + } + + if (detected) { + state.tag = _tag; + state.anchor = _anchor; + state.kind = 'sequence'; + state.result = _result; + return true; + } + return false; +} + +function readBlockMapping(state, nodeIndent, flowIndent) { + var following, + allowCompact, + _line, + _pos, + _tag = state.tag, + _anchor = state.anchor, + _result = {}, + overridableKeys = {}, + keyTag = null, + keyNode = null, + valueNode = null, + atExplicitKey = false, + detected = false, + ch; + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + following = state.input.charCodeAt(state.position + 1); + _line = state.line; // Save the current line. + _pos = state.position; + + // + // Explicit notation case. There are two separate blocks: + // first for the key (denoted by "?") and second for the value (denoted by ":") + // + if ((ch === 0x3F/* ? */ || ch === 0x3A/* : */) && is_WS_OR_EOL(following)) { + + if (ch === 0x3F/* ? */) { + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null); + keyTag = keyNode = valueNode = null; + } + + detected = true; + atExplicitKey = true; + allowCompact = true; + + } else if (atExplicitKey) { + // i.e. 0x3A/* : */ === character after the explicit key. + atExplicitKey = false; + allowCompact = true; + + } else { + throwError(state, 'incomplete explicit mapping pair; a key node is missed; or followed by a non-tabulated empty line'); + } + + state.position += 1; + ch = following; + + // + // Implicit notation case. Flow-style node as the key first, then ":", and the value. + // + } else if (composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) { + + if (state.line === _line) { + ch = state.input.charCodeAt(state.position); + + while (is_WHITE_SPACE(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (ch === 0x3A/* : */) { + ch = state.input.charCodeAt(++state.position); + + if (!is_WS_OR_EOL(ch)) { + throwError(state, 'a whitespace character is expected after the key-value separator within a block mapping'); + } + + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null); + keyTag = keyNode = valueNode = null; + } + + detected = true; + atExplicitKey = false; + allowCompact = false; + keyTag = state.tag; + keyNode = state.result; + + } else if (detected) { + throwError(state, 'can not read an implicit mapping pair; a colon is missed'); + + } else { + state.tag = _tag; + state.anchor = _anchor; + return true; // Keep the result of `composeNode`. + } + + } else if (detected) { + throwError(state, 'can not read a block mapping entry; a multiline key may not be an implicit key'); + + } else { + state.tag = _tag; + state.anchor = _anchor; + return true; // Keep the result of `composeNode`. + } + + } else { + break; // Reading is done. Go to the epilogue. + } + + // + // Common reading code for both explicit and implicit notations. + // + if (state.line === _line || state.lineIndent > nodeIndent) { + if (composeNode(state, nodeIndent, CONTEXT_BLOCK_OUT, true, allowCompact)) { + if (atExplicitKey) { + keyNode = state.result; + } else { + valueNode = state.result; + } + } + + if (!atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _line, _pos); + keyTag = keyNode = valueNode = null; + } + + skipSeparationSpace(state, true, -1); + ch = state.input.charCodeAt(state.position); + } + + if (state.lineIndent > nodeIndent && (ch !== 0)) { + throwError(state, 'bad indentation of a mapping entry'); + } else if (state.lineIndent < nodeIndent) { + break; + } + } + + // + // Epilogue. + // + + // Special case: last mapping's node contains only the key in explicit notation. + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null); + } + + // Expose the resulting mapping. + if (detected) { + state.tag = _tag; + state.anchor = _anchor; + state.kind = 'mapping'; + state.result = _result; + } + + return detected; +} + +function readTagProperty(state) { + var _position, + isVerbatim = false, + isNamed = false, + tagHandle, + tagName, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x21/* ! */) return false; + + if (state.tag !== null) { + throwError(state, 'duplication of a tag property'); + } + + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x3C/* < */) { + isVerbatim = true; + ch = state.input.charCodeAt(++state.position); + + } else if (ch === 0x21/* ! */) { + isNamed = true; + tagHandle = '!!'; + ch = state.input.charCodeAt(++state.position); + + } else { + tagHandle = '!'; + } + + _position = state.position; + + if (isVerbatim) { + do { ch = state.input.charCodeAt(++state.position); } + while (ch !== 0 && ch !== 0x3E/* > */); + + if (state.position < state.length) { + tagName = state.input.slice(_position, state.position); + ch = state.input.charCodeAt(++state.position); + } else { + throwError(state, 'unexpected end of the stream within a verbatim tag'); + } + } else { + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + + if (ch === 0x21/* ! */) { + if (!isNamed) { + tagHandle = state.input.slice(_position - 1, state.position + 1); + + if (!PATTERN_TAG_HANDLE.test(tagHandle)) { + throwError(state, 'named tag handle cannot contain such characters'); + } + + isNamed = true; + _position = state.position + 1; + } else { + throwError(state, 'tag suffix cannot contain exclamation marks'); + } + } + + ch = state.input.charCodeAt(++state.position); + } + + tagName = state.input.slice(_position, state.position); + + if (PATTERN_FLOW_INDICATORS.test(tagName)) { + throwError(state, 'tag suffix cannot contain flow indicator characters'); + } + } + + if (tagName && !PATTERN_TAG_URI.test(tagName)) { + throwError(state, 'tag name cannot contain such characters: ' + tagName); + } + + if (isVerbatim) { + state.tag = tagName; + + } else if (_hasOwnProperty.call(state.tagMap, tagHandle)) { + state.tag = state.tagMap[tagHandle] + tagName; + + } else if (tagHandle === '!') { + state.tag = '!' + tagName; + + } else if (tagHandle === '!!') { + state.tag = 'tag:yaml.org,2002:' + tagName; + + } else { + throwError(state, 'undeclared tag handle "' + tagHandle + '"'); + } + + return true; +} + +function readAnchorProperty(state) { + var _position, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x26/* & */) return false; + + if (state.anchor !== null) { + throwError(state, 'duplication of an anchor property'); + } + + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (state.position === _position) { + throwError(state, 'name of an anchor node must contain at least one character'); + } + + state.anchor = state.input.slice(_position, state.position); + return true; +} + +function readAlias(state) { + var _position, alias, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x2A/* * */) return false; + + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (state.position === _position) { + throwError(state, 'name of an alias node must contain at least one character'); + } + + alias = state.input.slice(_position, state.position); + + if (!_hasOwnProperty.call(state.anchorMap, alias)) { + throwError(state, 'unidentified alias "' + alias + '"'); + } + + state.result = state.anchorMap[alias]; + skipSeparationSpace(state, true, -1); + return true; +} + +function composeNode(state, parentIndent, nodeContext, allowToSeek, allowCompact) { + var allowBlockStyles, + allowBlockScalars, + allowBlockCollections, + indentStatus = 1, // 1: this>parent, 0: this=parent, -1: this parentIndent) { + indentStatus = 1; + } else if (state.lineIndent === parentIndent) { + indentStatus = 0; + } else if (state.lineIndent < parentIndent) { + indentStatus = -1; + } + } + } + + if (indentStatus === 1) { + while (readTagProperty(state) || readAnchorProperty(state)) { + if (skipSeparationSpace(state, true, -1)) { + atNewLine = true; + allowBlockCollections = allowBlockStyles; + + if (state.lineIndent > parentIndent) { + indentStatus = 1; + } else if (state.lineIndent === parentIndent) { + indentStatus = 0; + } else if (state.lineIndent < parentIndent) { + indentStatus = -1; + } + } else { + allowBlockCollections = false; + } + } + } + + if (allowBlockCollections) { + allowBlockCollections = atNewLine || allowCompact; + } + + if (indentStatus === 1 || CONTEXT_BLOCK_OUT === nodeContext) { + if (CONTEXT_FLOW_IN === nodeContext || CONTEXT_FLOW_OUT === nodeContext) { + flowIndent = parentIndent; + } else { + flowIndent = parentIndent + 1; + } + + blockIndent = state.position - state.lineStart; + + if (indentStatus === 1) { + if (allowBlockCollections && + (readBlockSequence(state, blockIndent) || + readBlockMapping(state, blockIndent, flowIndent)) || + readFlowCollection(state, flowIndent)) { + hasContent = true; + } else { + if ((allowBlockScalars && readBlockScalar(state, flowIndent)) || + readSingleQuotedScalar(state, flowIndent) || + readDoubleQuotedScalar(state, flowIndent)) { + hasContent = true; + + } else if (readAlias(state)) { + hasContent = true; + + if (state.tag !== null || state.anchor !== null) { + throwError(state, 'alias node should not have any properties'); + } + + } else if (readPlainScalar(state, flowIndent, CONTEXT_FLOW_IN === nodeContext)) { + hasContent = true; + + if (state.tag === null) { + state.tag = '?'; + } + } + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + } + } else if (indentStatus === 0) { + // Special case: block sequences are allowed to have same indentation level as the parent. + // http://www.yaml.org/spec/1.2/spec.html#id2799784 + hasContent = allowBlockCollections && readBlockSequence(state, blockIndent); + } + } + + if (state.tag !== null && state.tag !== '!') { + if (state.tag === '?') { + // Implicit resolving is not allowed for non-scalar types, and '?' + // non-specific tag is only automatically assigned to plain scalars. + // + // We only need to check kind conformity in case user explicitly assigns '?' + // tag, for example like this: "! [0]" + // + if (state.result !== null && state.kind !== 'scalar') { + throwError(state, 'unacceptable node kind for ! tag; it should be "scalar", not "' + state.kind + '"'); + } + + for (typeIndex = 0, typeQuantity = state.implicitTypes.length; typeIndex < typeQuantity; typeIndex += 1) { + type = state.implicitTypes[typeIndex]; + + if (type.resolve(state.result)) { // `state.result` updated in resolver if matched + state.result = type.construct(state.result); + state.tag = type.tag; + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + break; + } + } + } else if (_hasOwnProperty.call(state.typeMap[state.kind || 'fallback'], state.tag)) { + type = state.typeMap[state.kind || 'fallback'][state.tag]; + + if (state.result !== null && type.kind !== state.kind) { + throwError(state, 'unacceptable node kind for !<' + state.tag + '> tag; it should be "' + type.kind + '", not "' + state.kind + '"'); + } + + if (!type.resolve(state.result)) { // `state.result` updated in resolver if matched + throwError(state, 'cannot resolve a node with !<' + state.tag + '> explicit tag'); + } else { + state.result = type.construct(state.result); + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + } + } else { + throwError(state, 'unknown tag !<' + state.tag + '>'); + } + } + + if (state.listener !== null) { + state.listener('close', state); + } + return state.tag !== null || state.anchor !== null || hasContent; +} + +function readDocument(state) { + var documentStart = state.position, + _position, + directiveName, + directiveArgs, + hasDirectives = false, + ch; + + state.version = null; + state.checkLineBreaks = state.legacy; + state.tagMap = {}; + state.anchorMap = {}; + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + skipSeparationSpace(state, true, -1); + + ch = state.input.charCodeAt(state.position); + + if (state.lineIndent > 0 || ch !== 0x25/* % */) { + break; + } + + hasDirectives = true; + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + directiveName = state.input.slice(_position, state.position); + directiveArgs = []; + + if (directiveName.length < 1) { + throwError(state, 'directive name must not be less than one character in length'); + } + + while (ch !== 0) { + while (is_WHITE_SPACE(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (ch === 0x23/* # */) { + do { ch = state.input.charCodeAt(++state.position); } + while (ch !== 0 && !is_EOL(ch)); + break; + } + + if (is_EOL(ch)) break; + + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + directiveArgs.push(state.input.slice(_position, state.position)); + } + + if (ch !== 0) readLineBreak(state); + + if (_hasOwnProperty.call(directiveHandlers, directiveName)) { + directiveHandlers[directiveName](state, directiveName, directiveArgs); + } else { + throwWarning(state, 'unknown document directive "' + directiveName + '"'); + } + } + + skipSeparationSpace(state, true, -1); + + if (state.lineIndent === 0 && + state.input.charCodeAt(state.position) === 0x2D/* - */ && + state.input.charCodeAt(state.position + 1) === 0x2D/* - */ && + state.input.charCodeAt(state.position + 2) === 0x2D/* - */) { + state.position += 3; + skipSeparationSpace(state, true, -1); + + } else if (hasDirectives) { + throwError(state, 'directives end mark is expected'); + } + + composeNode(state, state.lineIndent - 1, CONTEXT_BLOCK_OUT, false, true); + skipSeparationSpace(state, true, -1); + + if (state.checkLineBreaks && + PATTERN_NON_ASCII_LINE_BREAKS.test(state.input.slice(documentStart, state.position))) { + throwWarning(state, 'non-ASCII line breaks are interpreted as content'); + } + + state.documents.push(state.result); + + if (state.position === state.lineStart && testDocumentSeparator(state)) { + + if (state.input.charCodeAt(state.position) === 0x2E/* . */) { + state.position += 3; + skipSeparationSpace(state, true, -1); + } + return; + } + + if (state.position < (state.length - 1)) { + throwError(state, 'end of the stream or a document separator is expected'); + } else { + return; + } +} + + +function loadDocuments(input, options) { + input = String(input); + options = options || {}; + + if (input.length !== 0) { + + // Add tailing `\n` if not exists + if (input.charCodeAt(input.length - 1) !== 0x0A/* LF */ && + input.charCodeAt(input.length - 1) !== 0x0D/* CR */) { + input += '\n'; + } + + // Strip BOM + if (input.charCodeAt(0) === 0xFEFF) { + input = input.slice(1); + } + } + + var state = new State(input, options); + + var nullpos = input.indexOf('\0'); + + if (nullpos !== -1) { + state.position = nullpos; + throwError(state, 'null byte is not allowed in input'); + } + + // Use 0 as string terminator. That significantly simplifies bounds check. + state.input += '\0'; + + while (state.input.charCodeAt(state.position) === 0x20/* Space */) { + state.lineIndent += 1; + state.position += 1; + } + + while (state.position < (state.length - 1)) { + readDocument(state); + } + + return state.documents; +} + + +function loadAll(input, iterator, options) { + if (iterator !== null && typeof iterator === 'object' && typeof options === 'undefined') { + options = iterator; + iterator = null; + } + + var documents = loadDocuments(input, options); + + if (typeof iterator !== 'function') { + return documents; + } + + for (var index = 0, length = documents.length; index < length; index += 1) { + iterator(documents[index]); + } +} + + +function load(input, options) { + var documents = loadDocuments(input, options); + + if (documents.length === 0) { + /*eslint-disable no-undefined*/ + return undefined; + } else if (documents.length === 1) { + return documents[0]; + } + throw new YAMLException('expected a single document in the stream, but found more'); +} + + +function safeLoadAll(input, iterator, options) { + if (typeof iterator === 'object' && iterator !== null && typeof options === 'undefined') { + options = iterator; + iterator = null; + } + + return loadAll(input, iterator, common.extend({ schema: DEFAULT_SAFE_SCHEMA }, options)); +} + + +function safeLoad(input, options) { + return load(input, common.extend({ schema: DEFAULT_SAFE_SCHEMA }, options)); +} + + +module.exports.loadAll = loadAll; +module.exports.load = load; +module.exports.safeLoadAll = safeLoadAll; +module.exports.safeLoad = safeLoad; + +},{"./common":7,"./exception":9,"./mark":11,"./schema/default_full":14,"./schema/default_safe":15}],11:[function(require,module,exports){ +'use strict'; + + +var common = require('./common'); + + +function Mark(name, buffer, position, line, column) { + this.name = name; + this.buffer = buffer; + this.position = position; + this.line = line; + this.column = column; +} + + +Mark.prototype.getSnippet = function getSnippet(indent, maxLength) { + var head, start, tail, end, snippet; + + if (!this.buffer) return null; + + indent = indent || 4; + maxLength = maxLength || 75; + + head = ''; + start = this.position; + + while (start > 0 && '\x00\r\n\x85\u2028\u2029'.indexOf(this.buffer.charAt(start - 1)) === -1) { + start -= 1; + if (this.position - start > (maxLength / 2 - 1)) { + head = ' ... '; + start += 5; + break; + } + } + + tail = ''; + end = this.position; + + while (end < this.buffer.length && '\x00\r\n\x85\u2028\u2029'.indexOf(this.buffer.charAt(end)) === -1) { + end += 1; + if (end - this.position > (maxLength / 2 - 1)) { + tail = ' ... '; + end -= 5; + break; + } + } + + snippet = this.buffer.slice(start, end); + + return common.repeat(' ', indent) + head + snippet + tail + '\n' + + common.repeat(' ', indent + this.position - start + head.length) + '^'; +}; + + +Mark.prototype.toString = function toString(compact) { + var snippet, where = ''; + + if (this.name) { + where += 'in "' + this.name + '" '; + } + + where += 'at line ' + (this.line + 1) + ', column ' + (this.column + 1); + + if (!compact) { + snippet = this.getSnippet(); + + if (snippet) { + where += ':\n' + snippet; + } + } + + return where; +}; + + +module.exports = Mark; + +},{"./common":7}],12:[function(require,module,exports){ +'use strict'; + +/*eslint-disable max-len*/ + +var common = require('./common'); +var YAMLException = require('./exception'); +var Type = require('./type'); + + +function compileList(schema, name, result) { + var exclude = []; + + schema.include.forEach(function (includedSchema) { + result = compileList(includedSchema, name, result); + }); + + schema[name].forEach(function (currentType) { + result.forEach(function (previousType, previousIndex) { + if (previousType.tag === currentType.tag && previousType.kind === currentType.kind) { + exclude.push(previousIndex); + } + }); + + result.push(currentType); + }); + + return result.filter(function (type, index) { + return exclude.indexOf(index) === -1; + }); +} + + +function compileMap(/* lists... */) { + var result = { + scalar: {}, + sequence: {}, + mapping: {}, + fallback: {} + }, index, length; + + function collectType(type) { + result[type.kind][type.tag] = result['fallback'][type.tag] = type; + } + + for (index = 0, length = arguments.length; index < length; index += 1) { + arguments[index].forEach(collectType); + } + return result; +} + + +function Schema(definition) { + this.include = definition.include || []; + this.implicit = definition.implicit || []; + this.explicit = definition.explicit || []; + + this.implicit.forEach(function (type) { + if (type.loadKind && type.loadKind !== 'scalar') { + throw new YAMLException('There is a non-scalar type in the implicit list of a schema. Implicit resolving of such types is not supported.'); + } + }); + + this.compiledImplicit = compileList(this, 'implicit', []); + this.compiledExplicit = compileList(this, 'explicit', []); + this.compiledTypeMap = compileMap(this.compiledImplicit, this.compiledExplicit); +} + + +Schema.DEFAULT = null; + + +Schema.create = function createSchema() { + var schemas, types; + + switch (arguments.length) { + case 1: + schemas = Schema.DEFAULT; + types = arguments[0]; + break; + + case 2: + schemas = arguments[0]; + types = arguments[1]; + break; + + default: + throw new YAMLException('Wrong number of arguments for Schema.create function'); + } + + schemas = common.toArray(schemas); + types = common.toArray(types); + + if (!schemas.every(function (schema) { return schema instanceof Schema; })) { + throw new YAMLException('Specified list of super schemas (or a single Schema object) contains a non-Schema object.'); + } + + if (!types.every(function (type) { return type instanceof Type; })) { + throw new YAMLException('Specified list of YAML types (or a single Type object) contains a non-Type object.'); + } + + return new Schema({ + include: schemas, + explicit: types + }); +}; + + +module.exports = Schema; + +},{"./common":7,"./exception":9,"./type":18}],13:[function(require,module,exports){ +// Standard YAML's Core schema. +// http://www.yaml.org/spec/1.2/spec.html#id2804923 +// +// NOTE: JS-YAML does not support schema-specific tag resolution restrictions. +// So, Core schema has no distinctions from JSON schema is JS-YAML. + + +'use strict'; + + +var Schema = require('../schema'); + + +module.exports = new Schema({ + include: [ + require('./json') + ] +}); + +},{"../schema":12,"./json":17}],14:[function(require,module,exports){ +// JS-YAML's default schema for `load` function. +// It is not described in the YAML specification. +// +// This schema is based on JS-YAML's default safe schema and includes +// JavaScript-specific types: !!js/undefined, !!js/regexp and !!js/function. +// +// Also this schema is used as default base schema at `Schema.create` function. + + +'use strict'; + + +var Schema = require('../schema'); + + +module.exports = Schema.DEFAULT = new Schema({ + include: [ + require('./default_safe') + ], + explicit: [ + require('../type/js/undefined'), + require('../type/js/regexp'), + require('../type/js/function') + ] +}); + +},{"../schema":12,"../type/js/function":23,"../type/js/regexp":24,"../type/js/undefined":25,"./default_safe":15}],15:[function(require,module,exports){ +// JS-YAML's default schema for `safeLoad` function. +// It is not described in the YAML specification. +// +// This schema is based on standard YAML's Core schema and includes most of +// extra types described at YAML tag repository. (http://yaml.org/type/) + + +'use strict'; + + +var Schema = require('../schema'); + + +module.exports = new Schema({ + include: [ + require('./core') + ], + implicit: [ + require('../type/timestamp'), + require('../type/merge') + ], + explicit: [ + require('../type/binary'), + require('../type/omap'), + require('../type/pairs'), + require('../type/set') + ] +}); + +},{"../schema":12,"../type/binary":19,"../type/merge":27,"../type/omap":29,"../type/pairs":30,"../type/set":32,"../type/timestamp":34,"./core":13}],16:[function(require,module,exports){ +// Standard YAML's Failsafe schema. +// http://www.yaml.org/spec/1.2/spec.html#id2802346 + + +'use strict'; + + +var Schema = require('../schema'); + + +module.exports = new Schema({ + explicit: [ + require('../type/str'), + require('../type/seq'), + require('../type/map') + ] +}); + +},{"../schema":12,"../type/map":26,"../type/seq":31,"../type/str":33}],17:[function(require,module,exports){ +// Standard YAML's JSON schema. +// http://www.yaml.org/spec/1.2/spec.html#id2803231 +// +// NOTE: JS-YAML does not support schema-specific tag resolution restrictions. +// So, this schema is not such strict as defined in the YAML specification. +// It allows numbers in binary notaion, use `Null` and `NULL` as `null`, etc. + + +'use strict'; + + +var Schema = require('../schema'); + + +module.exports = new Schema({ + include: [ + require('./failsafe') + ], + implicit: [ + require('../type/null'), + require('../type/bool'), + require('../type/int'), + require('../type/float') + ] +}); + +},{"../schema":12,"../type/bool":20,"../type/float":21,"../type/int":22,"../type/null":28,"./failsafe":16}],18:[function(require,module,exports){ +'use strict'; + +var YAMLException = require('./exception'); + +var TYPE_CONSTRUCTOR_OPTIONS = [ + 'kind', + 'resolve', + 'construct', + 'instanceOf', + 'predicate', + 'represent', + 'defaultStyle', + 'styleAliases' +]; + +var YAML_NODE_KINDS = [ + 'scalar', + 'sequence', + 'mapping' +]; + +function compileStyleAliases(map) { + var result = {}; + + if (map !== null) { + Object.keys(map).forEach(function (style) { + map[style].forEach(function (alias) { + result[String(alias)] = style; + }); + }); + } + + return result; +} + +function Type(tag, options) { + options = options || {}; + + Object.keys(options).forEach(function (name) { + if (TYPE_CONSTRUCTOR_OPTIONS.indexOf(name) === -1) { + throw new YAMLException('Unknown option "' + name + '" is met in definition of "' + tag + '" YAML type.'); + } + }); + + // TODO: Add tag format check. + this.tag = tag; + this.kind = options['kind'] || null; + this.resolve = options['resolve'] || function () { return true; }; + this.construct = options['construct'] || function (data) { return data; }; + this.instanceOf = options['instanceOf'] || null; + this.predicate = options['predicate'] || null; + this.represent = options['represent'] || null; + this.defaultStyle = options['defaultStyle'] || null; + this.styleAliases = compileStyleAliases(options['styleAliases'] || null); + + if (YAML_NODE_KINDS.indexOf(this.kind) === -1) { + throw new YAMLException('Unknown kind "' + this.kind + '" is specified for "' + tag + '" YAML type.'); + } +} + +module.exports = Type; + +},{"./exception":9}],19:[function(require,module,exports){ +'use strict'; + +/*eslint-disable no-bitwise*/ + +var NodeBuffer; + +try { + // A trick for browserified version, to not include `Buffer` shim + var _require = require; + NodeBuffer = _require('buffer').Buffer; +} catch (__) {} + +var Type = require('../type'); + + +// [ 64, 65, 66 ] -> [ padding, CR, LF ] +var BASE64_MAP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\n\r'; + + +function resolveYamlBinary(data) { + if (data === null) return false; + + var code, idx, bitlen = 0, max = data.length, map = BASE64_MAP; + + // Convert one by one. + for (idx = 0; idx < max; idx++) { + code = map.indexOf(data.charAt(idx)); + + // Skip CR/LF + if (code > 64) continue; + + // Fail on illegal characters + if (code < 0) return false; + + bitlen += 6; + } + + // If there are any bits left, source was corrupted + return (bitlen % 8) === 0; +} + +function constructYamlBinary(data) { + var idx, tailbits, + input = data.replace(/[\r\n=]/g, ''), // remove CR/LF & padding to simplify scan + max = input.length, + map = BASE64_MAP, + bits = 0, + result = []; + + // Collect by 6*4 bits (3 bytes) + + for (idx = 0; idx < max; idx++) { + if ((idx % 4 === 0) && idx) { + result.push((bits >> 16) & 0xFF); + result.push((bits >> 8) & 0xFF); + result.push(bits & 0xFF); + } + + bits = (bits << 6) | map.indexOf(input.charAt(idx)); + } + + // Dump tail + + tailbits = (max % 4) * 6; + + if (tailbits === 0) { + result.push((bits >> 16) & 0xFF); + result.push((bits >> 8) & 0xFF); + result.push(bits & 0xFF); + } else if (tailbits === 18) { + result.push((bits >> 10) & 0xFF); + result.push((bits >> 2) & 0xFF); + } else if (tailbits === 12) { + result.push((bits >> 4) & 0xFF); + } + + // Wrap into Buffer for NodeJS and leave Array for browser + if (NodeBuffer) { + // Support node 6.+ Buffer API when available + return NodeBuffer.from ? NodeBuffer.from(result) : new NodeBuffer(result); + } + + return result; +} + +function representYamlBinary(object /*, style*/) { + var result = '', bits = 0, idx, tail, + max = object.length, + map = BASE64_MAP; + + // Convert every three bytes to 4 ASCII characters. + + for (idx = 0; idx < max; idx++) { + if ((idx % 3 === 0) && idx) { + result += map[(bits >> 18) & 0x3F]; + result += map[(bits >> 12) & 0x3F]; + result += map[(bits >> 6) & 0x3F]; + result += map[bits & 0x3F]; + } + + bits = (bits << 8) + object[idx]; + } + + // Dump tail + + tail = max % 3; + + if (tail === 0) { + result += map[(bits >> 18) & 0x3F]; + result += map[(bits >> 12) & 0x3F]; + result += map[(bits >> 6) & 0x3F]; + result += map[bits & 0x3F]; + } else if (tail === 2) { + result += map[(bits >> 10) & 0x3F]; + result += map[(bits >> 4) & 0x3F]; + result += map[(bits << 2) & 0x3F]; + result += map[64]; + } else if (tail === 1) { + result += map[(bits >> 2) & 0x3F]; + result += map[(bits << 4) & 0x3F]; + result += map[64]; + result += map[64]; + } + + return result; +} + +function isBinary(object) { + return NodeBuffer && NodeBuffer.isBuffer(object); +} + +module.exports = new Type('tag:yaml.org,2002:binary', { + kind: 'scalar', + resolve: resolveYamlBinary, + construct: constructYamlBinary, + predicate: isBinary, + represent: representYamlBinary +}); + +},{"../type":18}],20:[function(require,module,exports){ +'use strict'; + +var Type = require('../type'); + +function resolveYamlBoolean(data) { + if (data === null) return false; + + var max = data.length; + + return (max === 4 && (data === 'true' || data === 'True' || data === 'TRUE')) || + (max === 5 && (data === 'false' || data === 'False' || data === 'FALSE')); +} + +function constructYamlBoolean(data) { + return data === 'true' || + data === 'True' || + data === 'TRUE'; +} + +function isBoolean(object) { + return Object.prototype.toString.call(object) === '[object Boolean]'; +} + +module.exports = new Type('tag:yaml.org,2002:bool', { + kind: 'scalar', + resolve: resolveYamlBoolean, + construct: constructYamlBoolean, + predicate: isBoolean, + represent: { + lowercase: function (object) { return object ? 'true' : 'false'; }, + uppercase: function (object) { return object ? 'TRUE' : 'FALSE'; }, + camelcase: function (object) { return object ? 'True' : 'False'; } + }, + defaultStyle: 'lowercase' +}); + +},{"../type":18}],21:[function(require,module,exports){ +'use strict'; + +var common = require('../common'); +var Type = require('../type'); + +var YAML_FLOAT_PATTERN = new RegExp( + // 2.5e4, 2.5 and integers + '^(?:[-+]?(?:0|[1-9][0-9_]*)(?:\\.[0-9_]*)?(?:[eE][-+]?[0-9]+)?' + + // .2e4, .2 + // special case, seems not from spec + '|\\.[0-9_]+(?:[eE][-+]?[0-9]+)?' + + // 20:59 + '|[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+\\.[0-9_]*' + + // .inf + '|[-+]?\\.(?:inf|Inf|INF)' + + // .nan + '|\\.(?:nan|NaN|NAN))$'); + +function resolveYamlFloat(data) { + if (data === null) return false; + + if (!YAML_FLOAT_PATTERN.test(data) || + // Quick hack to not allow integers end with `_` + // Probably should update regexp & check speed + data[data.length - 1] === '_') { + return false; + } + + return true; +} + +function constructYamlFloat(data) { + var value, sign, base, digits; + + value = data.replace(/_/g, '').toLowerCase(); + sign = value[0] === '-' ? -1 : 1; + digits = []; + + if ('+-'.indexOf(value[0]) >= 0) { + value = value.slice(1); + } + + if (value === '.inf') { + return (sign === 1) ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY; + + } else if (value === '.nan') { + return NaN; + + } else if (value.indexOf(':') >= 0) { + value.split(':').forEach(function (v) { + digits.unshift(parseFloat(v, 10)); + }); + + value = 0.0; + base = 1; + + digits.forEach(function (d) { + value += d * base; + base *= 60; + }); + + return sign * value; + + } + return sign * parseFloat(value, 10); +} + + +var SCIENTIFIC_WITHOUT_DOT = /^[-+]?[0-9]+e/; + +function representYamlFloat(object, style) { + var res; + + if (isNaN(object)) { + switch (style) { + case 'lowercase': return '.nan'; + case 'uppercase': return '.NAN'; + case 'camelcase': return '.NaN'; + } + } else if (Number.POSITIVE_INFINITY === object) { + switch (style) { + case 'lowercase': return '.inf'; + case 'uppercase': return '.INF'; + case 'camelcase': return '.Inf'; + } + } else if (Number.NEGATIVE_INFINITY === object) { + switch (style) { + case 'lowercase': return '-.inf'; + case 'uppercase': return '-.INF'; + case 'camelcase': return '-.Inf'; + } + } else if (common.isNegativeZero(object)) { + return '-0.0'; + } + + res = object.toString(10); + + // JS stringifier can build scientific format without dots: 5e-100, + // while YAML requres dot: 5.e-100. Fix it with simple hack + + return SCIENTIFIC_WITHOUT_DOT.test(res) ? res.replace('e', '.e') : res; +} + +function isFloat(object) { + return (Object.prototype.toString.call(object) === '[object Number]') && + (object % 1 !== 0 || common.isNegativeZero(object)); +} + +module.exports = new Type('tag:yaml.org,2002:float', { + kind: 'scalar', + resolve: resolveYamlFloat, + construct: constructYamlFloat, + predicate: isFloat, + represent: representYamlFloat, + defaultStyle: 'lowercase' +}); + +},{"../common":7,"../type":18}],22:[function(require,module,exports){ +'use strict'; + +var common = require('../common'); +var Type = require('../type'); + +function isHexCode(c) { + return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) || + ((0x41/* A */ <= c) && (c <= 0x46/* F */)) || + ((0x61/* a */ <= c) && (c <= 0x66/* f */)); +} + +function isOctCode(c) { + return ((0x30/* 0 */ <= c) && (c <= 0x37/* 7 */)); +} + +function isDecCode(c) { + return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)); +} + +function resolveYamlInteger(data) { + if (data === null) return false; + + var max = data.length, + index = 0, + hasDigits = false, + ch; + + if (!max) return false; + + ch = data[index]; + + // sign + if (ch === '-' || ch === '+') { + ch = data[++index]; + } + + if (ch === '0') { + // 0 + if (index + 1 === max) return true; + ch = data[++index]; + + // base 2, base 8, base 16 + + if (ch === 'b') { + // base 2 + index++; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (ch !== '0' && ch !== '1') return false; + hasDigits = true; + } + return hasDigits && ch !== '_'; + } + + + if (ch === 'x') { + // base 16 + index++; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (!isHexCode(data.charCodeAt(index))) return false; + hasDigits = true; + } + return hasDigits && ch !== '_'; + } + + // base 8 + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (!isOctCode(data.charCodeAt(index))) return false; + hasDigits = true; + } + return hasDigits && ch !== '_'; + } + + // base 10 (except 0) or base 60 + + // value should not start with `_`; + if (ch === '_') return false; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (ch === ':') break; + if (!isDecCode(data.charCodeAt(index))) { + return false; + } + hasDigits = true; + } + + // Should have digits and should not end with `_` + if (!hasDigits || ch === '_') return false; + + // if !base60 - done; + if (ch !== ':') return true; + + // base60 almost not used, no needs to optimize + return /^(:[0-5]?[0-9])+$/.test(data.slice(index)); +} + +function constructYamlInteger(data) { + var value = data, sign = 1, ch, base, digits = []; + + if (value.indexOf('_') !== -1) { + value = value.replace(/_/g, ''); + } + + ch = value[0]; + + if (ch === '-' || ch === '+') { + if (ch === '-') sign = -1; + value = value.slice(1); + ch = value[0]; + } + + if (value === '0') return 0; + + if (ch === '0') { + if (value[1] === 'b') return sign * parseInt(value.slice(2), 2); + if (value[1] === 'x') return sign * parseInt(value, 16); + return sign * parseInt(value, 8); + } + + if (value.indexOf(':') !== -1) { + value.split(':').forEach(function (v) { + digits.unshift(parseInt(v, 10)); + }); + + value = 0; + base = 1; + + digits.forEach(function (d) { + value += (d * base); + base *= 60; + }); + + return sign * value; + + } + + return sign * parseInt(value, 10); +} + +function isInteger(object) { + return (Object.prototype.toString.call(object)) === '[object Number]' && + (object % 1 === 0 && !common.isNegativeZero(object)); +} + +module.exports = new Type('tag:yaml.org,2002:int', { + kind: 'scalar', + resolve: resolveYamlInteger, + construct: constructYamlInteger, + predicate: isInteger, + represent: { + binary: function (obj) { return obj >= 0 ? '0b' + obj.toString(2) : '-0b' + obj.toString(2).slice(1); }, + octal: function (obj) { return obj >= 0 ? '0' + obj.toString(8) : '-0' + obj.toString(8).slice(1); }, + decimal: function (obj) { return obj.toString(10); }, + /* eslint-disable max-len */ + hexadecimal: function (obj) { return obj >= 0 ? '0x' + obj.toString(16).toUpperCase() : '-0x' + obj.toString(16).toUpperCase().slice(1); } + }, + defaultStyle: 'decimal', + styleAliases: { + binary: [ 2, 'bin' ], + octal: [ 8, 'oct' ], + decimal: [ 10, 'dec' ], + hexadecimal: [ 16, 'hex' ] + } +}); + +},{"../common":7,"../type":18}],23:[function(require,module,exports){ +'use strict'; + +var esprima; + +// Browserified version does not have esprima +// +// 1. For node.js just require module as deps +// 2. For browser try to require mudule via external AMD system. +// If not found - try to fallback to window.esprima. If not +// found too - then fail to parse. +// +try { + // workaround to exclude package from browserify list. + var _require = require; + esprima = _require('esprima'); +} catch (_) { + /* eslint-disable no-redeclare */ + /* global window */ + if (typeof window !== 'undefined') esprima = window.esprima; +} + +var Type = require('../../type'); + +function resolveJavascriptFunction(data) { + if (data === null) return false; + + try { + var source = '(' + data + ')', + ast = esprima.parse(source, { range: true }); + + if (ast.type !== 'Program' || + ast.body.length !== 1 || + ast.body[0].type !== 'ExpressionStatement' || + (ast.body[0].expression.type !== 'ArrowFunctionExpression' && + ast.body[0].expression.type !== 'FunctionExpression')) { + return false; + } + + return true; + } catch (err) { + return false; + } +} + +function constructJavascriptFunction(data) { + /*jslint evil:true*/ + + var source = '(' + data + ')', + ast = esprima.parse(source, { range: true }), + params = [], + body; + + if (ast.type !== 'Program' || + ast.body.length !== 1 || + ast.body[0].type !== 'ExpressionStatement' || + (ast.body[0].expression.type !== 'ArrowFunctionExpression' && + ast.body[0].expression.type !== 'FunctionExpression')) { + throw new Error('Failed to resolve function'); + } + + ast.body[0].expression.params.forEach(function (param) { + params.push(param.name); + }); + + body = ast.body[0].expression.body.range; + + // Esprima's ranges include the first '{' and the last '}' characters on + // function expressions. So cut them out. + if (ast.body[0].expression.body.type === 'BlockStatement') { + /*eslint-disable no-new-func*/ + return new Function(params, source.slice(body[0] + 1, body[1] - 1)); + } + // ES6 arrow functions can omit the BlockStatement. In that case, just return + // the body. + /*eslint-disable no-new-func*/ + return new Function(params, 'return ' + source.slice(body[0], body[1])); +} + +function representJavascriptFunction(object /*, style*/) { + return object.toString(); +} + +function isFunction(object) { + return Object.prototype.toString.call(object) === '[object Function]'; +} + +module.exports = new Type('tag:yaml.org,2002:js/function', { + kind: 'scalar', + resolve: resolveJavascriptFunction, + construct: constructJavascriptFunction, + predicate: isFunction, + represent: representJavascriptFunction +}); + +},{"../../type":18}],24:[function(require,module,exports){ +'use strict'; + +var Type = require('../../type'); + +function resolveJavascriptRegExp(data) { + if (data === null) return false; + if (data.length === 0) return false; + + var regexp = data, + tail = /\/([gim]*)$/.exec(data), + modifiers = ''; + + // if regexp starts with '/' it can have modifiers and must be properly closed + // `/foo/gim` - modifiers tail can be maximum 3 chars + if (regexp[0] === '/') { + if (tail) modifiers = tail[1]; + + if (modifiers.length > 3) return false; + // if expression starts with /, is should be properly terminated + if (regexp[regexp.length - modifiers.length - 1] !== '/') return false; + } + + return true; +} + +function constructJavascriptRegExp(data) { + var regexp = data, + tail = /\/([gim]*)$/.exec(data), + modifiers = ''; + + // `/foo/gim` - tail can be maximum 4 chars + if (regexp[0] === '/') { + if (tail) modifiers = tail[1]; + regexp = regexp.slice(1, regexp.length - modifiers.length - 1); + } + + return new RegExp(regexp, modifiers); +} + +function representJavascriptRegExp(object /*, style*/) { + var result = '/' + object.source + '/'; + + if (object.global) result += 'g'; + if (object.multiline) result += 'm'; + if (object.ignoreCase) result += 'i'; + + return result; +} + +function isRegExp(object) { + return Object.prototype.toString.call(object) === '[object RegExp]'; +} + +module.exports = new Type('tag:yaml.org,2002:js/regexp', { + kind: 'scalar', + resolve: resolveJavascriptRegExp, + construct: constructJavascriptRegExp, + predicate: isRegExp, + represent: representJavascriptRegExp +}); + +},{"../../type":18}],25:[function(require,module,exports){ +'use strict'; + +var Type = require('../../type'); + +function resolveJavascriptUndefined() { + return true; +} + +function constructJavascriptUndefined() { + /*eslint-disable no-undefined*/ + return undefined; +} + +function representJavascriptUndefined() { + return ''; +} + +function isUndefined(object) { + return typeof object === 'undefined'; +} + +module.exports = new Type('tag:yaml.org,2002:js/undefined', { + kind: 'scalar', + resolve: resolveJavascriptUndefined, + construct: constructJavascriptUndefined, + predicate: isUndefined, + represent: representJavascriptUndefined +}); + +},{"../../type":18}],26:[function(require,module,exports){ +'use strict'; + +var Type = require('../type'); + +module.exports = new Type('tag:yaml.org,2002:map', { + kind: 'mapping', + construct: function (data) { return data !== null ? data : {}; } +}); + +},{"../type":18}],27:[function(require,module,exports){ +'use strict'; + +var Type = require('../type'); + +function resolveYamlMerge(data) { + return data === '<<' || data === null; +} + +module.exports = new Type('tag:yaml.org,2002:merge', { + kind: 'scalar', + resolve: resolveYamlMerge +}); + +},{"../type":18}],28:[function(require,module,exports){ +'use strict'; + +var Type = require('../type'); + +function resolveYamlNull(data) { + if (data === null) return true; + + var max = data.length; + + return (max === 1 && data === '~') || + (max === 4 && (data === 'null' || data === 'Null' || data === 'NULL')); +} + +function constructYamlNull() { + return null; +} + +function isNull(object) { + return object === null; +} + +module.exports = new Type('tag:yaml.org,2002:null', { + kind: 'scalar', + resolve: resolveYamlNull, + construct: constructYamlNull, + predicate: isNull, + represent: { + canonical: function () { return '~'; }, + lowercase: function () { return 'null'; }, + uppercase: function () { return 'NULL'; }, + camelcase: function () { return 'Null'; } + }, + defaultStyle: 'lowercase' +}); + +},{"../type":18}],29:[function(require,module,exports){ +'use strict'; + +var Type = require('../type'); + +var _hasOwnProperty = Object.prototype.hasOwnProperty; +var _toString = Object.prototype.toString; + +function resolveYamlOmap(data) { + if (data === null) return true; + + var objectKeys = [], index, length, pair, pairKey, pairHasKey, + object = data; + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + pairHasKey = false; + + if (_toString.call(pair) !== '[object Object]') return false; + + for (pairKey in pair) { + if (_hasOwnProperty.call(pair, pairKey)) { + if (!pairHasKey) pairHasKey = true; + else return false; + } + } + + if (!pairHasKey) return false; + + if (objectKeys.indexOf(pairKey) === -1) objectKeys.push(pairKey); + else return false; + } + + return true; +} + +function constructYamlOmap(data) { + return data !== null ? data : []; +} + +module.exports = new Type('tag:yaml.org,2002:omap', { + kind: 'sequence', + resolve: resolveYamlOmap, + construct: constructYamlOmap +}); + +},{"../type":18}],30:[function(require,module,exports){ +'use strict'; + +var Type = require('../type'); + +var _toString = Object.prototype.toString; + +function resolveYamlPairs(data) { + if (data === null) return true; + + var index, length, pair, keys, result, + object = data; + + result = new Array(object.length); + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + + if (_toString.call(pair) !== '[object Object]') return false; + + keys = Object.keys(pair); + + if (keys.length !== 1) return false; + + result[index] = [ keys[0], pair[keys[0]] ]; + } + + return true; +} + +function constructYamlPairs(data) { + if (data === null) return []; + + var index, length, pair, keys, result, + object = data; + + result = new Array(object.length); + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + + keys = Object.keys(pair); + + result[index] = [ keys[0], pair[keys[0]] ]; + } + + return result; +} + +module.exports = new Type('tag:yaml.org,2002:pairs', { + kind: 'sequence', + resolve: resolveYamlPairs, + construct: constructYamlPairs +}); + +},{"../type":18}],31:[function(require,module,exports){ +'use strict'; + +var Type = require('../type'); + +module.exports = new Type('tag:yaml.org,2002:seq', { + kind: 'sequence', + construct: function (data) { return data !== null ? data : []; } +}); + +},{"../type":18}],32:[function(require,module,exports){ +'use strict'; + +var Type = require('../type'); + +var _hasOwnProperty = Object.prototype.hasOwnProperty; + +function resolveYamlSet(data) { + if (data === null) return true; + + var key, object = data; + + for (key in object) { + if (_hasOwnProperty.call(object, key)) { + if (object[key] !== null) return false; + } + } + + return true; +} + +function constructYamlSet(data) { + return data !== null ? data : {}; +} + +module.exports = new Type('tag:yaml.org,2002:set', { + kind: 'mapping', + resolve: resolveYamlSet, + construct: constructYamlSet +}); + +},{"../type":18}],33:[function(require,module,exports){ +'use strict'; + +var Type = require('../type'); + +module.exports = new Type('tag:yaml.org,2002:str', { + kind: 'scalar', + construct: function (data) { return data !== null ? data : ''; } +}); + +},{"../type":18}],34:[function(require,module,exports){ +'use strict'; + +var Type = require('../type'); + +var YAML_DATE_REGEXP = new RegExp( + '^([0-9][0-9][0-9][0-9])' + // [1] year + '-([0-9][0-9])' + // [2] month + '-([0-9][0-9])$'); // [3] day + +var YAML_TIMESTAMP_REGEXP = new RegExp( + '^([0-9][0-9][0-9][0-9])' + // [1] year + '-([0-9][0-9]?)' + // [2] month + '-([0-9][0-9]?)' + // [3] day + '(?:[Tt]|[ \\t]+)' + // ... + '([0-9][0-9]?)' + // [4] hour + ':([0-9][0-9])' + // [5] minute + ':([0-9][0-9])' + // [6] second + '(?:\\.([0-9]*))?' + // [7] fraction + '(?:[ \\t]*(Z|([-+])([0-9][0-9]?)' + // [8] tz [9] tz_sign [10] tz_hour + '(?::([0-9][0-9]))?))?$'); // [11] tz_minute + +function resolveYamlTimestamp(data) { + if (data === null) return false; + if (YAML_DATE_REGEXP.exec(data) !== null) return true; + if (YAML_TIMESTAMP_REGEXP.exec(data) !== null) return true; + return false; +} + +function constructYamlTimestamp(data) { + var match, year, month, day, hour, minute, second, fraction = 0, + delta = null, tz_hour, tz_minute, date; + + match = YAML_DATE_REGEXP.exec(data); + if (match === null) match = YAML_TIMESTAMP_REGEXP.exec(data); + + if (match === null) throw new Error('Date resolve error'); + + // match: [1] year [2] month [3] day + + year = +(match[1]); + month = +(match[2]) - 1; // JS month starts with 0 + day = +(match[3]); + + if (!match[4]) { // no hour + return new Date(Date.UTC(year, month, day)); + } + + // match: [4] hour [5] minute [6] second [7] fraction + + hour = +(match[4]); + minute = +(match[5]); + second = +(match[6]); + + if (match[7]) { + fraction = match[7].slice(0, 3); + while (fraction.length < 3) { // milli-seconds + fraction += '0'; + } + fraction = +fraction; + } + + // match: [8] tz [9] tz_sign [10] tz_hour [11] tz_minute + + if (match[9]) { + tz_hour = +(match[10]); + tz_minute = +(match[11] || 0); + delta = (tz_hour * 60 + tz_minute) * 60000; // delta in mili-seconds + if (match[9] === '-') delta = -delta; + } + + date = new Date(Date.UTC(year, month, day, hour, minute, second, fraction)); + + if (delta) date.setTime(date.getTime() - delta); + + return date; +} + +function representYamlTimestamp(object /*, style*/) { + return object.toISOString(); +} + +module.exports = new Type('tag:yaml.org,2002:timestamp', { + kind: 'scalar', + resolve: resolveYamlTimestamp, + construct: constructYamlTimestamp, + instanceOf: Date, + represent: representYamlTimestamp +}); + +},{"../type":18}],35:[function(require,module,exports){ +"use strict"; + +var $Ref = require("./ref"), + Pointer = require("./pointer"), + url = require("./util/url"); + +module.exports = bundle; + +/** + * Bundles all external JSON references into the main JSON schema, thus resulting in a schema that + * only has *internal* references, not any *external* references. + * This method mutates the JSON schema object, adding new references and re-mapping existing ones. + * + * @param {$RefParser} parser + * @param {$RefParserOptions} options + */ +function bundle (parser, options) { + // console.log('Bundling $ref pointers in %s', parser.$refs._root$Ref.path); + + // Build an inventory of all $ref pointers in the JSON Schema + var inventory = []; + crawl(parser, "schema", parser.$refs._root$Ref.path + "#", "#", 0, inventory, parser.$refs, options); + + // Remap all $ref pointers + remap(inventory); +} + +/** + * Recursively crawls the given value, and inventories all JSON references. + * + * @param {object} parent - The object containing the value to crawl. If the value is not an object or array, it will be ignored. + * @param {string} key - The property key of `parent` to be crawled + * @param {string} path - The full path of the property being crawled, possibly with a JSON Pointer in the hash + * @param {string} pathFromRoot - The path of the property being crawled, from the schema root + * @param {object[]} inventory - An array of already-inventoried $ref pointers + * @param {$Refs} $refs + * @param {$RefParserOptions} options + */ +function crawl (parent, key, path, pathFromRoot, indirections, inventory, $refs, options) { + var obj = key === null ? parent : parent[key]; + + if (obj && typeof obj === "object") { + if ($Ref.isAllowed$Ref(obj)) { + inventory$Ref(parent, key, path, pathFromRoot, indirections, inventory, $refs, options); + } + else { + // Crawl the object in a specific order that's optimized for bundling. + // This is important because it determines how `pathFromRoot` gets built, + // which later determines which keys get dereferenced and which ones get remapped + var keys = Object.keys(obj) + .sort(function (a, b) { + // Most people will expect references to be bundled into the the "definitions" property, + // so we always crawl that property first, if it exists. + if (a === "definitions") { + return -1; + } + else if (b === "definitions") { + return 1; + } + else { + // Otherwise, crawl the keys based on their length. + // This produces the shortest possible bundled references + return a.length - b.length; + } + }); + + keys.forEach(function (key) { + var keyPath = Pointer.join(path, key); + var keyPathFromRoot = Pointer.join(pathFromRoot, key); + var value = obj[key]; + + if ($Ref.isAllowed$Ref(value)) { + inventory$Ref(obj, key, path, keyPathFromRoot, indirections, inventory, $refs, options); + } + else { + crawl(obj, key, keyPath, keyPathFromRoot, indirections, inventory, $refs, options); + } + }); + } + } +} + +/** + * Inventories the given JSON Reference (i.e. records detailed information about it so we can + * optimize all $refs in the schema), and then crawls the resolved value. + * + * @param {object} $refParent - The object that contains a JSON Reference as one of its keys + * @param {string} $refKey - The key in `$refParent` that is a JSON Reference + * @param {string} path - The full path of the JSON Reference at `$refKey`, possibly with a JSON Pointer in the hash + * @param {string} pathFromRoot - The path of the JSON Reference at `$refKey`, from the schema root + * @param {object[]} inventory - An array of already-inventoried $ref pointers + * @param {$Refs} $refs + * @param {$RefParserOptions} options + */ +function inventory$Ref ($refParent, $refKey, path, pathFromRoot, indirections, inventory, $refs, options) { + var $ref = $refKey === null ? $refParent : $refParent[$refKey]; + var $refPath = url.resolve(path, $ref.$ref); + var pointer = $refs._resolve($refPath, options); + var depth = Pointer.parse(pathFromRoot).length; + var file = url.stripHash(pointer.path); + var hash = url.getHash(pointer.path); + var external = file !== $refs._root$Ref.path; + var extended = $Ref.isExtended$Ref($ref); + indirections += pointer.indirections; + + var existingEntry = findInInventory(inventory, $refParent, $refKey); + if (existingEntry) { + // This $Ref has already been inventoried, so we don't need to process it again + if (depth < existingEntry.depth || indirections < existingEntry.indirections) { + removeFromInventory(inventory, existingEntry); + } + else { + return; + } + } + + inventory.push({ + $ref: $ref, // The JSON Reference (e.g. {$ref: string}) + parent: $refParent, // The object that contains this $ref pointer + key: $refKey, // The key in `parent` that is the $ref pointer + pathFromRoot: pathFromRoot, // The path to the $ref pointer, from the JSON Schema root + depth: depth, // How far from the JSON Schema root is this $ref pointer? + file: file, // The file that the $ref pointer resolves to + hash: hash, // The hash within `file` that the $ref pointer resolves to + value: pointer.value, // The resolved value of the $ref pointer + circular: pointer.circular, // Is this $ref pointer DIRECTLY circular? (i.e. it references itself) + extended: extended, // Does this $ref extend its resolved value? (i.e. it has extra properties, in addition to "$ref") + external: external, // Does this $ref pointer point to a file other than the main JSON Schema file? + indirections: indirections, // The number of indirect references that were traversed to resolve the value + }); + + // Recursively crawl the resolved value + crawl(pointer.value, null, pointer.path, pathFromRoot, indirections + 1, inventory, $refs, options); +} + +/** + * Re-maps every $ref pointer, so that they're all relative to the root of the JSON Schema. + * Each referenced value is dereferenced EXACTLY ONCE. All subsequent references to the same + * value are re-mapped to point to the first reference. + * + * @example: + * { + * first: { $ref: somefile.json#/some/part }, + * second: { $ref: somefile.json#/another/part }, + * third: { $ref: somefile.json }, + * fourth: { $ref: somefile.json#/some/part/sub/part } + * } + * + * In this example, there are four references to the same file, but since the third reference points + * to the ENTIRE file, that's the only one we need to dereference. The other three can just be + * remapped to point inside the third one. + * + * On the other hand, if the third reference DIDN'T exist, then the first and second would both need + * to be dereferenced, since they point to different parts of the file. The fourth reference does NOT + * need to be dereferenced, because it can be remapped to point inside the first one. + * + * @param {object[]} inventory + */ +function remap (inventory) { + // Group & sort all the $ref pointers, so they're in the order that we need to dereference/remap them + inventory.sort(function (a, b) { + if (a.file !== b.file) { + // Group all the $refs that point to the same file + return a.file < b.file ? -1 : +1; + } + else if (a.hash !== b.hash) { + // Group all the $refs that point to the same part of the file + return a.hash < b.hash ? -1 : +1; + } + else if (a.circular !== b.circular) { + // If the $ref points to itself, then sort it higher than other $refs that point to this $ref + return a.circular ? -1 : +1; + } + else if (a.extended !== b.extended) { + // If the $ref extends the resolved value, then sort it lower than other $refs that don't extend the value + return a.extended ? +1 : -1; + } + else if (a.indirections !== b.indirections) { + // Sort direct references higher than indirect references + return a.indirections - b.indirections; + } + else if (a.depth !== b.depth) { + // Sort $refs by how close they are to the JSON Schema root + return a.depth - b.depth; + } + else { + // Determine how far each $ref is from the "definitions" property. + // Most people will expect references to be bundled into the the "definitions" property if possible. + var aDefinitionsIndex = a.pathFromRoot.lastIndexOf("/definitions"); + var bDefinitionsIndex = b.pathFromRoot.lastIndexOf("/definitions"); + + if (aDefinitionsIndex !== bDefinitionsIndex) { + // Give higher priority to the $ref that's closer to the "definitions" property + return bDefinitionsIndex - aDefinitionsIndex; + } + else { + // All else is equal, so use the shorter path, which will produce the shortest possible reference + return a.pathFromRoot.length - b.pathFromRoot.length; + } + } + }); + + var file, hash, pathFromRoot; + inventory.forEach(function (entry) { + // console.log('Re-mapping $ref pointer "%s" at %s', entry.$ref.$ref, entry.pathFromRoot); + + if (!entry.external) { + // This $ref already resolves to the main JSON Schema file + entry.$ref.$ref = entry.hash; + } + else if (entry.file === file && entry.hash === hash) { + // This $ref points to the same value as the prevous $ref, so remap it to the same path + entry.$ref.$ref = pathFromRoot; + } + else if (entry.file === file && entry.hash.indexOf(hash + "/") === 0) { + // This $ref points to a sub-value of the prevous $ref, so remap it beneath that path + entry.$ref.$ref = Pointer.join(pathFromRoot, Pointer.parse(entry.hash.replace(hash, "#"))); + } + else { + // We've moved to a new file or new hash + file = entry.file; + hash = entry.hash; + pathFromRoot = entry.pathFromRoot; + + // This is the first $ref to point to this value, so dereference the value. + // Any other $refs that point to the same value will point to this $ref instead + entry.$ref = entry.parent[entry.key] = $Ref.dereference(entry.$ref, entry.value); + + if (entry.circular) { + // This $ref points to itself + entry.$ref.$ref = entry.pathFromRoot; + } + } + + // console.log(' new value: %s', (entry.$ref && entry.$ref.$ref) ? entry.$ref.$ref : '[object Object]'); + }); +} + +/** + * TODO + */ +function findInInventory (inventory, $refParent, $refKey) { + for (var i = 0; i < inventory.length; i++) { + var existingEntry = inventory[i]; + if (existingEntry.parent === $refParent && existingEntry.key === $refKey) { + return existingEntry; + } + } +} + +function removeFromInventory (inventory, entry) { + var index = inventory.indexOf(entry); + inventory.splice(index, 1); +} + +},{"./pointer":45,"./ref":46,"./util/url":52}],36:[function(require,module,exports){ +"use strict"; + +var $Ref = require("./ref"), + Pointer = require("./pointer"), + ono = require("ono"), + url = require("./util/url"); + +module.exports = dereference; + +/** + * Crawls the JSON schema, finds all JSON references, and dereferences them. + * This method mutates the JSON schema object, replacing JSON references with their resolved value. + * + * @param {$RefParser} parser + * @param {$RefParserOptions} options + */ +function dereference (parser, options) { + // console.log('Dereferencing $ref pointers in %s', parser.$refs._root$Ref.path); + var dereferenced = crawl(parser.schema, parser.$refs._root$Ref.path, "#", [], parser.$refs, options); + parser.$refs.circular = dereferenced.circular; + parser.schema = dereferenced.value; +} + +/** + * Recursively crawls the given value, and dereferences any JSON references. + * + * @param {*} obj - The value to crawl. If it's not an object or array, it will be ignored. + * @param {string} path - The full path of `obj`, possibly with a JSON Pointer in the hash + * @param {string} pathFromRoot - The path of `obj` from the schema root + * @param {object[]} parents - An array of the parent objects that have already been dereferenced + * @param {$Refs} $refs + * @param {$RefParserOptions} options + * @returns {{value: object, circular: boolean}} + */ +function crawl (obj, path, pathFromRoot, parents, $refs, options) { + var dereferenced; + var result = { + value: obj, + circular: false + }; + + if (obj && typeof obj === "object") { + parents.push(obj); + + if ($Ref.isAllowed$Ref(obj, options)) { + dereferenced = dereference$Ref(obj, path, pathFromRoot, parents, $refs, options); + result.circular = dereferenced.circular; + result.value = dereferenced.value; + } + else { + Object.keys(obj).forEach(function (key) { + var keyPath = Pointer.join(path, key); + var keyPathFromRoot = Pointer.join(pathFromRoot, key); + var value = obj[key]; + var circular = false; + + if ($Ref.isAllowed$Ref(value, options)) { + dereferenced = dereference$Ref(value, keyPath, keyPathFromRoot, parents, $refs, options); + circular = dereferenced.circular; + obj[key] = dereferenced.value; + } + else { + if (parents.indexOf(value) === -1) { + dereferenced = crawl(value, keyPath, keyPathFromRoot, parents, $refs, options); + circular = dereferenced.circular; + obj[key] = dereferenced.value; + } + else { + circular = foundCircularReference(keyPath, $refs, options); + } + } + + // Set the "isCircular" flag if this or any other property is circular + result.circular = result.circular || circular; + }); + } + + parents.pop(); + } + + return result; +} + +/** + * Dereferences the given JSON Reference, and then crawls the resulting value. + * + * @param {{$ref: string}} $ref - The JSON Reference to resolve + * @param {string} path - The full path of `$ref`, possibly with a JSON Pointer in the hash + * @param {string} pathFromRoot - The path of `$ref` from the schema root + * @param {object[]} parents - An array of the parent objects that have already been dereferenced + * @param {$Refs} $refs + * @param {$RefParserOptions} options + * @returns {{value: object, circular: boolean}} + */ +function dereference$Ref ($ref, path, pathFromRoot, parents, $refs, options) { + // console.log('Dereferencing $ref pointer "%s" at %s', $ref.$ref, path); + + var $refPath = url.resolve(path, $ref.$ref); + var pointer = $refs._resolve($refPath, options); + + // Check for circular references + var directCircular = pointer.circular; + var circular = directCircular || parents.indexOf(pointer.value) !== -1; + circular && foundCircularReference(path, $refs, options); + + // Dereference the JSON reference + var dereferencedValue = $Ref.dereference($ref, pointer.value); + + // Crawl the dereferenced value (unless it's circular) + if (!circular) { + // Determine if the dereferenced value is circular + var dereferenced = crawl(dereferencedValue, pointer.path, pathFromRoot, parents, $refs, options); + circular = dereferenced.circular; + dereferencedValue = dereferenced.value; + } + + if (circular && !directCircular && options.dereference.circular === "ignore") { + // The user has chosen to "ignore" circular references, so don't change the value + dereferencedValue = $ref; + } + + if (directCircular) { + // The pointer is a DIRECT circular reference (i.e. it references itself). + // So replace the $ref path with the absolute path from the JSON Schema root + dereferencedValue.$ref = pathFromRoot; + } + + return { + circular: circular, + value: dereferencedValue + }; +} + +/** + * Called when a circular reference is found. + * It sets the {@link $Refs#circular} flag, and throws an error if options.dereference.circular is false. + * + * @param {string} keyPath - The JSON Reference path of the circular reference + * @param {$Refs} $refs + * @param {$RefParserOptions} options + * @returns {boolean} - always returns true, to indicate that a circular reference was found + */ +function foundCircularReference (keyPath, $refs, options) { + $refs.circular = true; + if (!options.dereference.circular) { + throw ono.reference("Circular $ref pointer found at %s", keyPath); + } + return true; +} + +},{"./pointer":45,"./ref":46,"./util/url":52,"ono":56}],37:[function(require,module,exports){ +(function (Buffer){(function (){ +"use strict"; + +var Options = require("./options"), + $Refs = require("./refs"), + parse = require("./parse"), + normalizeArgs = require("./normalize-args"), + resolveExternal = require("./resolve-external"), + bundle = require("./bundle"), + dereference = require("./dereference"), + url = require("./util/url"), + maybe = require("call-me-maybe"), + ono = require("ono"); + +module.exports = $RefParser; +module.exports.YAML = require("./util/yaml"); + +/** + * This class parses a JSON schema, builds a map of its JSON references and their resolved values, + * and provides methods for traversing, manipulating, and dereferencing those references. + * + * @constructor + */ +function $RefParser () { + /** + * The parsed (and possibly dereferenced) JSON schema object + * + * @type {object} + * @readonly + */ + this.schema = null; + + /** + * The resolved JSON references + * + * @type {$Refs} + * @readonly + */ + this.$refs = new $Refs(); +} + +/** + * Parses the given JSON schema. + * This method does not resolve any JSON references. + * It just reads a single file in JSON or YAML format, and parse it as a JavaScript object. + * + * @param {string} [path] - The file path or URL of the JSON schema + * @param {object} [schema] - A JSON schema object. This object will be used instead of reading from `path`. + * @param {$RefParserOptions} [options] - Options that determine how the schema is parsed + * @param {function} [callback] - An error-first callback. The second parameter is the parsed JSON schema object. + * @returns {Promise} - The returned promise resolves with the parsed JSON schema object. + */ +$RefParser.parse = function (path, schema, options, callback) { + var Class = this; // eslint-disable-line consistent-this + var instance = new Class(); + return instance.parse.apply(instance, arguments); +}; + +/** + * Parses the given JSON schema. + * This method does not resolve any JSON references. + * It just reads a single file in JSON or YAML format, and parse it as a JavaScript object. + * + * @param {string} [path] - The file path or URL of the JSON schema + * @param {object} [schema] - A JSON schema object. This object will be used instead of reading from `path`. + * @param {$RefParserOptions} [options] - Options that determine how the schema is parsed + * @param {function} [callback] - An error-first callback. The second parameter is the parsed JSON schema object. + * @returns {Promise} - The returned promise resolves with the parsed JSON schema object. + */ +$RefParser.prototype.parse = function (path, schema, options, callback) { + var args = normalizeArgs(arguments); + var promise; + + if (!args.path && !args.schema) { + var err = ono("Expected a file path, URL, or object. Got %s", args.path || args.schema); + return maybe(args.callback, Promise.reject(err)); + } + + // Reset everything + this.schema = null; + this.$refs = new $Refs(); + + // If the path is a filesystem path, then convert it to a URL. + // NOTE: According to the JSON Reference spec, these should already be URLs, + // but, in practice, many people use local filesystem paths instead. + // So we're being generous here and doing the conversion automatically. + // This is not intended to be a 100% bulletproof solution. + // If it doesn't work for your use-case, then use a URL instead. + var pathType = "http"; + if (url.isFileSystemPath(args.path)) { + args.path = url.fromFileSystemPath(args.path); + pathType = "file"; + } + + // Resolve the absolute path of the schema + args.path = url.resolve(url.cwd(), args.path); + + if (args.schema && typeof args.schema === "object") { + // A schema object was passed-in. + // So immediately add a new $Ref with the schema object as its value + var $ref = this.$refs._add(args.path); + $ref.value = args.schema; + $ref.pathType = pathType; + promise = Promise.resolve(args.schema); + } + else { + // Parse the schema file/url + promise = parse(args.path, this.$refs, args.options); + } + + var me = this; + return promise + .then(function (result) { + if (!result || typeof result !== "object" || Buffer.isBuffer(result)) { + throw ono.syntax('"%s" is not a valid JSON Schema', me.$refs._root$Ref.path || result); + } + else { + me.schema = result; + return maybe(args.callback, Promise.resolve(me.schema)); + } + }) + .catch(function (e) { + return maybe(args.callback, Promise.reject(e)); + }); +}; + +/** + * Parses the given JSON schema and resolves any JSON references, including references in + * externally-referenced files. + * + * @param {string} [path] - The file path or URL of the JSON schema + * @param {object} [schema] - A JSON schema object. This object will be used instead of reading from `path`. + * @param {$RefParserOptions} [options] - Options that determine how the schema is parsed and resolved + * @param {function} [callback] + * - An error-first callback. The second parameter is a {@link $Refs} object containing the resolved JSON references + * + * @returns {Promise} + * The returned promise resolves with a {@link $Refs} object containing the resolved JSON references + */ +$RefParser.resolve = function (path, schema, options, callback) { + var Class = this; // eslint-disable-line consistent-this + var instance = new Class(); + return instance.resolve.apply(instance, arguments); +}; + +/** + * Parses the given JSON schema and resolves any JSON references, including references in + * externally-referenced files. + * + * @param {string} [path] - The file path or URL of the JSON schema + * @param {object} [schema] - A JSON schema object. This object will be used instead of reading from `path`. + * @param {$RefParserOptions} [options] - Options that determine how the schema is parsed and resolved + * @param {function} [callback] + * - An error-first callback. The second parameter is a {@link $Refs} object containing the resolved JSON references + * + * @returns {Promise} + * The returned promise resolves with a {@link $Refs} object containing the resolved JSON references + */ +$RefParser.prototype.resolve = function (path, schema, options, callback) { + var me = this; + var args = normalizeArgs(arguments); + + return this.parse(args.path, args.schema, args.options) + .then(function () { + return resolveExternal(me, args.options); + }) + .then(function () { + return maybe(args.callback, Promise.resolve(me.$refs)); + }) + .catch(function (err) { + return maybe(args.callback, Promise.reject(err)); + }); +}; + +/** + * Parses the given JSON schema, resolves any JSON references, and bundles all external references + * into the main JSON schema. This produces a JSON schema that only has *internal* references, + * not any *external* references. + * + * @param {string} [path] - The file path or URL of the JSON schema + * @param {object} [schema] - A JSON schema object. This object will be used instead of reading from `path`. + * @param {$RefParserOptions} [options] - Options that determine how the schema is parsed, resolved, and dereferenced + * @param {function} [callback] - An error-first callback. The second parameter is the bundled JSON schema object + * @returns {Promise} - The returned promise resolves with the bundled JSON schema object. + */ +$RefParser.bundle = function (path, schema, options, callback) { + var Class = this; // eslint-disable-line consistent-this + var instance = new Class(); + return instance.bundle.apply(instance, arguments); +}; + +/** + * Parses the given JSON schema, resolves any JSON references, and bundles all external references + * into the main JSON schema. This produces a JSON schema that only has *internal* references, + * not any *external* references. + * + * @param {string} [path] - The file path or URL of the JSON schema + * @param {object} [schema] - A JSON schema object. This object will be used instead of reading from `path`. + * @param {$RefParserOptions} [options] - Options that determine how the schema is parsed, resolved, and dereferenced + * @param {function} [callback] - An error-first callback. The second parameter is the bundled JSON schema object + * @returns {Promise} - The returned promise resolves with the bundled JSON schema object. + */ +$RefParser.prototype.bundle = function (path, schema, options, callback) { + var me = this; + var args = normalizeArgs(arguments); + + return this.resolve(args.path, args.schema, args.options) + .then(function () { + bundle(me, args.options); + return maybe(args.callback, Promise.resolve(me.schema)); + }) + .catch(function (err) { + return maybe(args.callback, Promise.reject(err)); + }); +}; + +/** + * Parses the given JSON schema, resolves any JSON references, and dereferences the JSON schema. + * That is, all JSON references are replaced with their resolved values. + * + * @param {string} [path] - The file path or URL of the JSON schema + * @param {object} [schema] - A JSON schema object. This object will be used instead of reading from `path`. + * @param {$RefParserOptions} [options] - Options that determine how the schema is parsed, resolved, and dereferenced + * @param {function} [callback] - An error-first callback. The second parameter is the dereferenced JSON schema object + * @returns {Promise} - The returned promise resolves with the dereferenced JSON schema object. + */ +$RefParser.dereference = function (path, schema, options, callback) { + var Class = this; // eslint-disable-line consistent-this + var instance = new Class(); + return instance.dereference.apply(instance, arguments); +}; + +/** + * Parses the given JSON schema, resolves any JSON references, and dereferences the JSON schema. + * That is, all JSON references are replaced with their resolved values. + * + * @param {string} [path] - The file path or URL of the JSON schema + * @param {object} [schema] - A JSON schema object. This object will be used instead of reading from `path`. + * @param {$RefParserOptions} [options] - Options that determine how the schema is parsed, resolved, and dereferenced + * @param {function} [callback] - An error-first callback. The second parameter is the dereferenced JSON schema object + * @returns {Promise} - The returned promise resolves with the dereferenced JSON schema object. + */ +$RefParser.prototype.dereference = function (path, schema, options, callback) { + var me = this; + var args = normalizeArgs(arguments); + + return this.resolve(args.path, args.schema, args.options) + .then(function () { + dereference(me, args.options); + return maybe(args.callback, Promise.resolve(me.schema)); + }) + .catch(function (err) { + return maybe(args.callback, Promise.reject(err)); + }); +}; + +}).call(this)}).call(this,{"isBuffer":require("../../../../../../../../usr/local/lib/node_modules/browserify/node_modules/is-buffer/index.js")}) +},{"../../../../../../../../usr/local/lib/node_modules/browserify/node_modules/is-buffer/index.js":116,"./bundle":35,"./dereference":36,"./normalize-args":38,"./options":39,"./parse":40,"./refs":47,"./resolve-external":48,"./util/url":52,"./util/yaml":53,"call-me-maybe":2,"ono":56}],38:[function(require,module,exports){ +"use strict"; + +var Options = require("./options"); + +module.exports = normalizeArgs; + +/** + * Normalizes the given arguments, accounting for optional args. + * + * @param {Arguments} args + * @returns {object} + */ +function normalizeArgs (args) { + var path, schema, options, callback; + args = Array.prototype.slice.call(args); + + if (typeof args[args.length - 1] === "function") { + // The last parameter is a callback function + callback = args.pop(); + } + + if (typeof args[0] === "string") { + // The first parameter is the path + path = args[0]; + if (typeof args[2] === "object") { + // The second parameter is the schema, and the third parameter is the options + schema = args[1]; + options = args[2]; + } + else { + // The second parameter is the options + schema = undefined; + options = args[1]; + } + } + else { + // The first parameter is the schema + path = ""; + schema = args[0]; + options = args[1]; + } + + if (!(options instanceof Options)) { + options = new Options(options); + } + + return { + path: path, + schema: schema, + options: options, + callback: callback + }; +} + +},{"./options":39}],39:[function(require,module,exports){ +/* eslint lines-around-comment: [2, {beforeBlockComment: false}] */ +"use strict"; + +var jsonParser = require("./parsers/json"), + yamlParser = require("./parsers/yaml"), + textParser = require("./parsers/text"), + binaryParser = require("./parsers/binary"), + fileResolver = require("./resolvers/file"), + httpResolver = require("./resolvers/http"); + +module.exports = $RefParserOptions; + +/** + * Options that determine how JSON schemas are parsed, resolved, and dereferenced. + * + * @param {object|$RefParserOptions} [options] - Overridden options + * @constructor + */ +function $RefParserOptions (options) { + merge(this, $RefParserOptions.defaults); + merge(this, options); +} + +$RefParserOptions.defaults = { + /** + * Determines how different types of files will be parsed. + * + * You can add additional parsers of your own, replace an existing one with + * your own implemenation, or disable any parser by setting it to false. + */ + parse: { + json: jsonParser, + yaml: yamlParser, + text: textParser, + binary: binaryParser, + }, + + /** + * Determines how JSON References will be resolved. + * + * You can add additional resolvers of your own, replace an existing one with + * your own implemenation, or disable any resolver by setting it to false. + */ + resolve: { + file: fileResolver, + http: httpResolver, + + /** + * Determines whether external $ref pointers will be resolved. + * If this option is disabled, then none of above resolvers will be called. + * Instead, external $ref pointers will simply be ignored. + * + * @type {boolean} + */ + external: true, + }, + + /** + * Determines the types of JSON references that are allowed. + */ + dereference: { + /** + * Dereference circular (recursive) JSON references? + * If false, then a {@link ReferenceError} will be thrown if a circular reference is found. + * If "ignore", then circular references will not be dereferenced. + * + * @type {boolean|string} + */ + circular: true + }, +}; + +/** + * Merges the properties of the source object into the target object. + * + * @param {object} target - The object that we're populating + * @param {?object} source - The options that are being merged + * @returns {object} + */ +function merge (target, source) { + if (isMergeable(source)) { + var keys = Object.keys(source); + for (var i = 0; i < keys.length; i++) { + var key = keys[i]; + var sourceSetting = source[key]; + var targetSetting = target[key]; + + if (isMergeable(sourceSetting)) { + // It's a nested object, so merge it recursively + target[key] = merge(targetSetting || {}, sourceSetting); + } + else if (sourceSetting !== undefined) { + // It's a scalar value, function, or array. No merging necessary. Just overwrite the target value. + target[key] = sourceSetting; + } + } + } + return target; +} + +/** + * Determines whether the given value can be merged, + * or if it is a scalar value that should just override the target value. + * + * @param {*} val + * @returns {Boolean} + */ +function isMergeable (val) { + return val && + (typeof val === "object") && + !Array.isArray(val) && + !(val instanceof RegExp) && + !(val instanceof Date); +} + +},{"./parsers/binary":41,"./parsers/json":42,"./parsers/text":43,"./parsers/yaml":44,"./resolvers/file":49,"./resolvers/http":50}],40:[function(require,module,exports){ +(function (Buffer){(function (){ +"use strict"; + +var ono = require("ono"), + url = require("./util/url"), + plugins = require("./util/plugins"); + +module.exports = parse; + +/** + * Reads and parses the specified file path or URL. + * + * @param {string} path - This path MUST already be resolved, since `read` doesn't know the resolution context + * @param {$Refs} $refs + * @param {$RefParserOptions} options + * + * @returns {Promise} + * The promise resolves with the parsed file contents, NOT the raw (Buffer) contents. + */ +function parse (path, $refs, options) { + try { + // Remove the URL fragment, if any + path = url.stripHash(path); + + // Add a new $Ref for this file, even though we don't have the value yet. + // This ensures that we don't simultaneously read & parse the same file multiple times + var $ref = $refs._add(path); + + // This "file object" will be passed to all resolvers and parsers. + var file = { + url: path, + extension: url.getExtension(path), + }; + + // Read the file and then parse the data + return readFile(file, options) + .then(function (resolver) { + $ref.pathType = resolver.plugin.name; + file.data = resolver.result; + return parseFile(file, options); + }) + .then(function (parser) { + $ref.value = parser.result; + return parser.result; + }); + } + catch (e) { + return Promise.reject(e); + } +} + +/** + * Reads the given file, using the configured resolver plugins + * + * @param {object} file - An object containing information about the referenced file + * @param {string} file.url - The full URL of the referenced file + * @param {string} file.extension - The lowercased file extension (e.g. ".txt", ".html", etc.) + * @param {$RefParserOptions} options + * + * @returns {Promise} + * The promise resolves with the raw file contents and the resolver that was used. + */ +function readFile (file, options) { + return new Promise(function (resolve, reject) { + // console.log('Reading %s', file.url); + + // Find the resolvers that can read this file + var resolvers = plugins.all(options.resolve); + resolvers = plugins.filter(resolvers, "canRead", file); + + // Run the resolvers, in order, until one of them succeeds + plugins.sort(resolvers); + plugins.run(resolvers, "read", file) + .then(resolve, onError); + + function onError (err) { + // Throw the original error, if it's one of our own (user-friendly) errors. + // Otherwise, throw a generic, friendly error. + if (err && !(err instanceof SyntaxError)) { + reject(err); + } + else { + reject(ono.syntax('Unable to resolve $ref pointer "%s"', file.url)); + } + } + }); +} + +/** + * Parses the given file's contents, using the configured parser plugins. + * + * @param {object} file - An object containing information about the referenced file + * @param {string} file.url - The full URL of the referenced file + * @param {string} file.extension - The lowercased file extension (e.g. ".txt", ".html", etc.) + * @param {*} file.data - The file contents. This will be whatever data type was returned by the resolver + * @param {$RefParserOptions} options + * + * @returns {Promise} + * The promise resolves with the parsed file contents and the parser that was used. + */ +function parseFile (file, options) { + return new Promise(function (resolve, reject) { + // console.log('Parsing %s', file.url); + + // Find the parsers that can read this file type. + // If none of the parsers are an exact match for this file, then we'll try ALL of them. + // This handles situations where the file IS a supported type, just with an unknown extension. + var allParsers = plugins.all(options.parse); + var filteredParsers = plugins.filter(allParsers, "canParse", file); + var parsers = filteredParsers.length > 0 ? filteredParsers : allParsers; + + // Run the parsers, in order, until one of them succeeds + plugins.sort(parsers); + plugins.run(parsers, "parse", file) + .then(onParsed, onError); + + function onParsed (parser) { + if (!parser.plugin.allowEmpty && isEmpty(parser.result)) { + reject(ono.syntax('Error parsing "%s" as %s. \nParsed value is empty', file.url, parser.plugin.name)); + } + else { + resolve(parser); + } + } + + function onError (err) { + if (err) { + err = err instanceof Error ? err : new Error(err); + reject(ono.syntax(err, "Error parsing %s", file.url)); + } + else { + reject(ono.syntax("Unable to parse %s", file.url)); + } + } + }); +} + +/** + * Determines whether the parsed value is "empty". + * + * @param {*} value + * @returns {boolean} + */ +function isEmpty (value) { + return value === undefined || + (typeof value === "object" && Object.keys(value).length === 0) || + (typeof value === "string" && value.trim().length === 0) || + (Buffer.isBuffer(value) && value.length === 0); +} + +}).call(this)}).call(this,{"isBuffer":require("../../../../../../../../usr/local/lib/node_modules/browserify/node_modules/is-buffer/index.js")}) +},{"../../../../../../../../usr/local/lib/node_modules/browserify/node_modules/is-buffer/index.js":116,"./util/plugins":51,"./util/url":52,"ono":56}],41:[function(require,module,exports){ +(function (Buffer){(function (){ +"use strict"; + +var BINARY_REGEXP = /\.(jpeg|jpg|gif|png|bmp|ico)$/i; + +module.exports = { + /** + * The order that this parser will run, in relation to other parsers. + * + * @type {number} + */ + order: 400, + + /** + * Whether to allow "empty" files (zero bytes). + * + * @type {boolean} + */ + allowEmpty: true, + + /** + * Determines whether this parser can parse a given file reference. + * Parsers that return true will be tried, in order, until one successfully parses the file. + * Parsers that return false will be skipped, UNLESS all parsers returned false, in which case + * every parser will be tried. + * + * @param {object} file - An object containing information about the referenced file + * @param {string} file.url - The full URL of the referenced file + * @param {string} file.extension - The lowercased file extension (e.g. ".txt", ".html", etc.) + * @param {*} file.data - The file contents. This will be whatever data type was returned by the resolver + * @returns {boolean} + */ + canParse: function isBinary (file) { + // Use this parser if the file is a Buffer, and has a known binary extension + return Buffer.isBuffer(file.data) && BINARY_REGEXP.test(file.url); + }, + + /** + * Parses the given data as a Buffer (byte array). + * + * @param {object} file - An object containing information about the referenced file + * @param {string} file.url - The full URL of the referenced file + * @param {string} file.extension - The lowercased file extension (e.g. ".txt", ".html", etc.) + * @param {*} file.data - The file contents. This will be whatever data type was returned by the resolver + * @returns {Promise} + */ + parse: function parseBinary (file) { + if (Buffer.isBuffer(file.data)) { + return file.data; + } + else { + // This will reject if data is anything other than a string or typed array + return new Buffer(file.data); + } + } +}; + +}).call(this)}).call(this,require("buffer").Buffer) +},{"buffer":110}],42:[function(require,module,exports){ +(function (Buffer){(function (){ +"use strict"; + +module.exports = { + /** + * The order that this parser will run, in relation to other parsers. + * + * @type {number} + */ + order: 100, + + /** + * Whether to allow "empty" files. This includes zero-byte files, as well as empty JSON objects. + * + * @type {boolean} + */ + allowEmpty: true, + + /** + * Determines whether this parser can parse a given file reference. + * Parsers that match will be tried, in order, until one successfully parses the file. + * Parsers that don't match will be skipped, UNLESS none of the parsers match, in which case + * every parser will be tried. + * + * @type {RegExp|string[]|function} + */ + canParse: ".json", + + /** + * Parses the given file as JSON + * + * @param {object} file - An object containing information about the referenced file + * @param {string} file.url - The full URL of the referenced file + * @param {string} file.extension - The lowercased file extension (e.g. ".txt", ".html", etc.) + * @param {*} file.data - The file contents. This will be whatever data type was returned by the resolver + * @returns {Promise} + */ + parse: function parseJSON (file) { + return new Promise(function (resolve, reject) { + var data = file.data; + if (Buffer.isBuffer(data)) { + data = data.toString(); + } + + if (typeof data === "string") { + if (data.trim().length === 0) { + resolve(undefined); // This mirrors the YAML behavior + } + else { + resolve(JSON.parse(data)); + } + } + else { + // data is already a JavaScript value (object, array, number, null, NaN, etc.) + resolve(data); + } + }); + } +}; + +}).call(this)}).call(this,{"isBuffer":require("../../../../../../../../../usr/local/lib/node_modules/browserify/node_modules/is-buffer/index.js")}) +},{"../../../../../../../../../usr/local/lib/node_modules/browserify/node_modules/is-buffer/index.js":116}],43:[function(require,module,exports){ +(function (Buffer){(function (){ +"use strict"; + +var TEXT_REGEXP = /\.(txt|htm|html|md|xml|js|min|map|css|scss|less|svg)$/i; + +module.exports = { + /** + * The order that this parser will run, in relation to other parsers. + * + * @type {number} + */ + order: 300, + + /** + * Whether to allow "empty" files (zero bytes). + * + * @type {boolean} + */ + allowEmpty: true, + + /** + * The encoding that the text is expected to be in. + * + * @type {string} + */ + encoding: "utf8", + + /** + * Determines whether this parser can parse a given file reference. + * Parsers that return true will be tried, in order, until one successfully parses the file. + * Parsers that return false will be skipped, UNLESS all parsers returned false, in which case + * every parser will be tried. + * + * @param {object} file - An object containing information about the referenced file + * @param {string} file.url - The full URL of the referenced file + * @param {string} file.extension - The lowercased file extension (e.g. ".txt", ".html", etc.) + * @param {*} file.data - The file contents. This will be whatever data type was returned by the resolver + * @returns {boolean} + */ + canParse: function isText (file) { + // Use this parser if the file is a string or Buffer, and has a known text-based extension + return (typeof file.data === "string" || Buffer.isBuffer(file.data)) && TEXT_REGEXP.test(file.url); + }, + + /** + * Parses the given file as text + * + * @param {object} file - An object containing information about the referenced file + * @param {string} file.url - The full URL of the referenced file + * @param {string} file.extension - The lowercased file extension (e.g. ".txt", ".html", etc.) + * @param {*} file.data - The file contents. This will be whatever data type was returned by the resolver + * @returns {Promise} + */ + parse: function parseText (file) { + if (typeof file.data === "string") { + return file.data; + } + else if (Buffer.isBuffer(file.data)) { + return file.data.toString(this.encoding); + } + else { + throw new Error("data is not text"); + } + } +}; + +}).call(this)}).call(this,{"isBuffer":require("../../../../../../../../../usr/local/lib/node_modules/browserify/node_modules/is-buffer/index.js")}) +},{"../../../../../../../../../usr/local/lib/node_modules/browserify/node_modules/is-buffer/index.js":116}],44:[function(require,module,exports){ +(function (Buffer){(function (){ +"use strict"; + +var YAML = require("../util/yaml"); + +module.exports = { + /** + * The order that this parser will run, in relation to other parsers. + * + * @type {number} + */ + order: 200, + + /** + * Whether to allow "empty" files. This includes zero-byte files, as well as empty JSON objects. + * + * @type {boolean} + */ + allowEmpty: true, + + /** + * Determines whether this parser can parse a given file reference. + * Parsers that match will be tried, in order, until one successfully parses the file. + * Parsers that don't match will be skipped, UNLESS none of the parsers match, in which case + * every parser will be tried. + * + * @type {RegExp|string[]|function} + */ + canParse: [".yaml", ".yml", ".json"], // JSON is valid YAML + + /** + * Parses the given file as YAML + * + * @param {object} file - An object containing information about the referenced file + * @param {string} file.url - The full URL of the referenced file + * @param {string} file.extension - The lowercased file extension (e.g. ".txt", ".html", etc.) + * @param {*} file.data - The file contents. This will be whatever data type was returned by the resolver + * @returns {Promise} + */ + parse: function parseYAML (file) { + return new Promise(function (resolve, reject) { + var data = file.data; + if (Buffer.isBuffer(data)) { + data = data.toString(); + } + + if (typeof data === "string") { + resolve(YAML.parse(data)); + } + else { + // data is already a JavaScript value (object, array, number, null, NaN, etc.) + resolve(data); + } + }); + } +}; + +}).call(this)}).call(this,{"isBuffer":require("../../../../../../../../../usr/local/lib/node_modules/browserify/node_modules/is-buffer/index.js")}) +},{"../../../../../../../../../usr/local/lib/node_modules/browserify/node_modules/is-buffer/index.js":116,"../util/yaml":53}],45:[function(require,module,exports){ +"use strict"; + +module.exports = Pointer; + +var $Ref = require("./ref"), + url = require("./util/url"), + ono = require("ono"), + slashes = /\//g, + tildes = /~/g, + escapedSlash = /~1/g, + escapedTilde = /~0/g; + +/** + * This class represents a single JSON pointer and its resolved value. + * + * @param {$Ref} $ref + * @param {string} path + * @param {string} [friendlyPath] - The original user-specified path (used for error messages) + * @constructor + */ +function Pointer ($ref, path, friendlyPath) { + /** + * The {@link $Ref} object that contains this {@link Pointer} object. + * @type {$Ref} + */ + this.$ref = $ref; + + /** + * The file path or URL, containing the JSON pointer in the hash. + * This path is relative to the path of the main JSON schema file. + * @type {string} + */ + this.path = path; + + /** + * The original path or URL, used for error messages. + * @type {string} + */ + this.originalPath = friendlyPath || path; + + /** + * The value of the JSON pointer. + * Can be any JSON type, not just objects. Unknown file types are represented as Buffers (byte arrays). + * @type {?*} + */ + this.value = undefined; + + /** + * Indicates whether the pointer references itself. + * @type {boolean} + */ + this.circular = false; + + /** + * The number of indirect references that were traversed to resolve the value. + * Resolving a single pointer may require resolving multiple $Refs. + * @type {number} + */ + this.indirections = 0; +} + +/** + * Resolves the value of a nested property within the given object. + * + * @param {*} obj - The object that will be crawled + * @param {$RefParserOptions} options + * + * @returns {Pointer} + * Returns a JSON pointer whose {@link Pointer#value} is the resolved value. + * If resolving this value required resolving other JSON references, then + * the {@link Pointer#$ref} and {@link Pointer#path} will reflect the resolution path + * of the resolved value. + */ +Pointer.prototype.resolve = function (obj, options) { + var tokens = Pointer.parse(this.path); + + // Crawl the object, one token at a time + this.value = obj; + for (var i = 0; i < tokens.length; i++) { + if (resolveIf$Ref(this, options)) { + // The $ref path has changed, so append the remaining tokens to the path + this.path = Pointer.join(this.path, tokens.slice(i)); + } + + var token = tokens[i]; + if (this.value[token] === undefined) { + throw ono.syntax('Error resolving $ref pointer "%s". \nToken "%s" does not exist.', this.originalPath, token); + } + else { + this.value = this.value[token]; + } + } + + // Resolve the final value + resolveIf$Ref(this, options); + return this; +}; + +/** + * Sets the value of a nested property within the given object. + * + * @param {*} obj - The object that will be crawled + * @param {*} value - the value to assign + * @param {$RefParserOptions} options + * + * @returns {*} + * Returns the modified object, or an entirely new object if the entire object is overwritten. + */ +Pointer.prototype.set = function (obj, value, options) { + var tokens = Pointer.parse(this.path); + var token; + + if (tokens.length === 0) { + // There are no tokens, replace the entire object with the new value + this.value = value; + return value; + } + + // Crawl the object, one token at a time + this.value = obj; + for (var i = 0; i < tokens.length - 1; i++) { + resolveIf$Ref(this, options); + + token = tokens[i]; + if (this.value && this.value[token] !== undefined) { + // The token exists + this.value = this.value[token]; + } + else { + // The token doesn't exist, so create it + this.value = setValue(this, token, {}); + } + } + + // Set the value of the final token + resolveIf$Ref(this, options); + token = tokens[tokens.length - 1]; + setValue(this, token, value); + + // Return the updated object + return obj; +}; + +/** + * Parses a JSON pointer (or a path containing a JSON pointer in the hash) + * and returns an array of the pointer's tokens. + * (e.g. "schema.json#/definitions/person/name" => ["definitions", "person", "name"]) + * + * The pointer is parsed according to RFC 6901 + * {@link https://tools.ietf.org/html/rfc6901#section-3} + * + * @param {string} path + * @returns {string[]} + */ +Pointer.parse = function (path) { + // Get the JSON pointer from the path's hash + var pointer = url.getHash(path).substr(1); + + // If there's no pointer, then there are no tokens, + // so return an empty array + if (!pointer) { + return []; + } + + // Split into an array + pointer = pointer.split("/"); + + // Decode each part, according to RFC 6901 + for (var i = 0; i < pointer.length; i++) { + pointer[i] = decodeURIComponent(pointer[i].replace(escapedSlash, "/").replace(escapedTilde, "~")); + } + + if (pointer[0] !== "") { + throw ono.syntax('Invalid $ref pointer "%s". Pointers must begin with "#/"', pointer); + } + + return pointer.slice(1); +}; + +/** + * Creates a JSON pointer path, by joining one or more tokens to a base path. + * + * @param {string} base - The base path (e.g. "schema.json#/definitions/person") + * @param {string|string[]} tokens - The token(s) to append (e.g. ["name", "first"]) + * @returns {string} + */ +Pointer.join = function (base, tokens) { + // Ensure that the base path contains a hash + if (base.indexOf("#") === -1) { + base += "#"; + } + + // Append each token to the base path + tokens = Array.isArray(tokens) ? tokens : [tokens]; + for (var i = 0; i < tokens.length; i++) { + var token = tokens[i]; + // Encode the token, according to RFC 6901 + base += "/" + encodeURIComponent(token.replace(tildes, "~0").replace(slashes, "~1")); + } + + return base; +}; + +/** + * If the given pointer's {@link Pointer#value} is a JSON reference, + * then the reference is resolved and {@link Pointer#value} is replaced with the resolved value. + * In addition, {@link Pointer#path} and {@link Pointer#$ref} are updated to reflect the + * resolution path of the new value. + * + * @param {Pointer} pointer + * @param {$RefParserOptions} options + * @returns {boolean} - Returns `true` if the resolution path changed + */ +function resolveIf$Ref (pointer, options) { + // Is the value a JSON reference? (and allowed?) + + if ($Ref.isAllowed$Ref(pointer.value, options)) { + var $refPath = url.resolve(pointer.path, pointer.value.$ref); + + if ($refPath === pointer.path) { + // The value is a reference to itself, so there's nothing to do. + pointer.circular = true; + } + else { + var resolved = pointer.$ref.$refs._resolve($refPath, options); + pointer.indirections += resolved.indirections + 1; + + if ($Ref.isExtended$Ref(pointer.value)) { + // This JSON reference "extends" the resolved value, rather than simply pointing to it. + // So the resolved path does NOT change. Just the value does. + pointer.value = $Ref.dereference(pointer.value, resolved.value); + return false; + } + else { + // Resolve the reference + pointer.$ref = resolved.$ref; + pointer.path = resolved.path; + pointer.value = resolved.value; + } + + return true; + } + } +} + +/** + * Sets the specified token value of the {@link Pointer#value}. + * + * The token is evaluated according to RFC 6901. + * {@link https://tools.ietf.org/html/rfc6901#section-4} + * + * @param {Pointer} pointer - The JSON Pointer whose value will be modified + * @param {string} token - A JSON Pointer token that indicates how to modify `obj` + * @param {*} value - The value to assign + * @returns {*} - Returns the assigned value + */ +function setValue (pointer, token, value) { + if (pointer.value && typeof pointer.value === "object") { + if (token === "-" && Array.isArray(pointer.value)) { + pointer.value.push(value); + } + else { + pointer.value[token] = value; + } + } + else { + throw ono.syntax('Error assigning $ref pointer "%s". \nCannot set "%s" of a non-object.', pointer.path, token); + } + return value; +} + +},{"./ref":46,"./util/url":52,"ono":56}],46:[function(require,module,exports){ +"use strict"; + +module.exports = $Ref; + +var Pointer = require("./pointer"); + +/** + * This class represents a single JSON reference and its resolved value. + * + * @constructor + */ +function $Ref () { + /** + * The file path or URL of the referenced file. + * This path is relative to the path of the main JSON schema file. + * + * This path does NOT contain document fragments (JSON pointers). It always references an ENTIRE file. + * Use methods such as {@link $Ref#get}, {@link $Ref#resolve}, and {@link $Ref#exists} to get + * specific JSON pointers within the file. + * + * @type {string} + */ + this.path = undefined; + + /** + * The resolved value of the JSON reference. + * Can be any JSON type, not just objects. Unknown file types are represented as Buffers (byte arrays). + * @type {?*} + */ + this.value = undefined; + + /** + * The {@link $Refs} object that contains this {@link $Ref} object. + * @type {$Refs} + */ + this.$refs = undefined; + + /** + * Indicates the type of {@link $Ref#path} (e.g. "file", "http", etc.) + * @type {?string} + */ + this.pathType = undefined; +} + +/** + * Determines whether the given JSON reference exists within this {@link $Ref#value}. + * + * @param {string} path - The full path being resolved, optionally with a JSON pointer in the hash + * @param {$RefParserOptions} options + * @returns {boolean} + */ +$Ref.prototype.exists = function (path, options) { + try { + this.resolve(path, options); + return true; + } + catch (e) { + return false; + } +}; + +/** + * Resolves the given JSON reference within this {@link $Ref#value} and returns the resolved value. + * + * @param {string} path - The full path being resolved, optionally with a JSON pointer in the hash + * @param {$RefParserOptions} options + * @returns {*} - Returns the resolved value + */ +$Ref.prototype.get = function (path, options) { + return this.resolve(path, options).value; +}; + +/** + * Resolves the given JSON reference within this {@link $Ref#value}. + * + * @param {string} path - The full path being resolved, optionally with a JSON pointer in the hash + * @param {$RefParserOptions} options + * @param {string} [friendlyPath] - The original user-specified path (used for error messages) + * @returns {Pointer} + */ +$Ref.prototype.resolve = function (path, options, friendlyPath) { + var pointer = new Pointer(this, path, friendlyPath); + return pointer.resolve(this.value, options); +}; + +/** + * Sets the value of a nested property within this {@link $Ref#value}. + * If the property, or any of its parents don't exist, they will be created. + * + * @param {string} path - The full path of the property to set, optionally with a JSON pointer in the hash + * @param {*} value - The value to assign + */ +$Ref.prototype.set = function (path, value) { + var pointer = new Pointer(this, path); + this.value = pointer.set(this.value, value); +}; + +/** + * Determines whether the given value is a JSON reference. + * + * @param {*} value - The value to inspect + * @returns {boolean} + */ +$Ref.is$Ref = function (value) { + return value && typeof value === "object" && typeof value.$ref === "string" && value.$ref.length > 0; +}; + +/** + * Determines whether the given value is an external JSON reference. + * + * @param {*} value - The value to inspect + * @returns {boolean} + */ +$Ref.isExternal$Ref = function (value) { + return $Ref.is$Ref(value) && value.$ref[0] !== "#"; +}; + +/** + * Determines whether the given value is a JSON reference, and whether it is allowed by the options. + * For example, if it references an external file, then options.resolve.external must be true. + * + * @param {*} value - The value to inspect + * @param {$RefParserOptions} options + * @returns {boolean} + */ +$Ref.isAllowed$Ref = function (value, options) { + if ($Ref.is$Ref(value)) { + if (value.$ref.substr(0, 2) === "#/" || value.$ref === "#") { + // It's a JSON Pointer reference, which is always allowed + return true; + } + else if (value.$ref[0] !== "#" && (!options || options.resolve.external)) { + // It's an external reference, which is allowed by the options + return true; + } + } +}; + +/** + * Determines whether the given value is a JSON reference that "extends" its resolved value. + * That is, it has extra properties (in addition to "$ref"), so rather than simply pointing to + * an existing value, this $ref actually creates a NEW value that is a shallow copy of the resolved + * value, plus the extra properties. + * + * @example: + * { + * person: { + * properties: { + * firstName: { type: string } + * lastName: { type: string } + * } + * } + * employee: { + * properties: { + * $ref: #/person/properties + * salary: { type: number } + * } + * } + * } + * + * In this example, "employee" is an extended $ref, since it extends "person" with an additional + * property (salary). The result is a NEW value that looks like this: + * + * { + * properties: { + * firstName: { type: string } + * lastName: { type: string } + * salary: { type: number } + * } + * } + * + * @param {*} value - The value to inspect + * @returns {boolean} + */ +$Ref.isExtended$Ref = function (value) { + return $Ref.is$Ref(value) && Object.keys(value).length > 1; +}; + +/** + * Returns the resolved value of a JSON Reference. + * If necessary, the resolved value is merged with the JSON Reference to create a new object + * + * @example: + * { + * person: { + * properties: { + * firstName: { type: string } + * lastName: { type: string } + * } + * } + * employee: { + * properties: { + * $ref: #/person/properties + * salary: { type: number } + * } + * } + * } + * + * When "person" and "employee" are merged, you end up with the following object: + * + * { + * properties: { + * firstName: { type: string } + * lastName: { type: string } + * salary: { type: number } + * } + * } + * + * @param {object} $ref - The JSON reference object (the one with the "$ref" property) + * @param {*} resolvedValue - The resolved value, which can be any type + * @returns {*} - Returns the dereferenced value + */ +$Ref.dereference = function ($ref, resolvedValue) { + if (resolvedValue && typeof resolvedValue === "object" && $Ref.isExtended$Ref($ref)) { + var merged = {}; + Object.keys($ref).forEach(function (key) { + if (key !== "$ref") { + merged[key] = $ref[key]; + } + }); + Object.keys(resolvedValue).forEach(function (key) { + if (!(key in merged)) { + merged[key] = resolvedValue[key]; + } + }); + return merged; + } + else { + // Completely replace the original reference with the resolved value + return resolvedValue; + } +}; + +},{"./pointer":45}],47:[function(require,module,exports){ +"use strict"; + +var ono = require("ono"), + $Ref = require("./ref"), + url = require("./util/url"); + +module.exports = $Refs; + +/** + * This class is a map of JSON references and their resolved values. + */ +function $Refs () { + /** + * Indicates whether the schema contains any circular references. + * + * @type {boolean} + */ + this.circular = false; + + /** + * A map of paths/urls to {@link $Ref} objects + * + * @type {object} + * @protected + */ + this._$refs = {}; + + /** + * The {@link $Ref} object that is the root of the JSON schema. + * + * @type {$Ref} + * @protected + */ + this._root$Ref = null; +} + +/** + * Returns the paths of all the files/URLs that are referenced by the JSON schema, + * including the schema itself. + * + * @param {...string|string[]} [types] - Only return paths of the given types ("file", "http", etc.) + * @returns {string[]} + */ +$Refs.prototype.paths = function (types) { + var paths = getPaths(this._$refs, arguments); + return paths.map(function (path) { + return path.decoded; + }); +}; + +/** + * Returns the map of JSON references and their resolved values. + * + * @param {...string|string[]} [types] - Only return references of the given types ("file", "http", etc.) + * @returns {object} + */ +$Refs.prototype.values = function (types) { + var $refs = this._$refs; + var paths = getPaths($refs, arguments); + return paths.reduce(function (obj, path) { + obj[path.decoded] = $refs[path.encoded].value; + return obj; + }, {}); +}; + +/** + * Returns a POJO (plain old JavaScript object) for serialization as JSON. + * + * @returns {object} + */ +$Refs.prototype.toJSON = $Refs.prototype.values; + +/** + * Determines whether the given JSON reference exists. + * + * @param {string} path - The path being resolved, optionally with a JSON pointer in the hash + * @param {$RefParserOptions} [options] + * @returns {boolean} + */ +$Refs.prototype.exists = function (path, options) { + try { + this._resolve(path, options); + return true; + } + catch (e) { + return false; + } +}; + +/** + * Resolves the given JSON reference and returns the resolved value. + * + * @param {string} path - The path being resolved, with a JSON pointer in the hash + * @param {$RefParserOptions} [options] + * @returns {*} - Returns the resolved value + */ +$Refs.prototype.get = function (path, options) { + return this._resolve(path, options).value; +}; + +/** + * Sets the value of a nested property within this {@link $Ref#value}. + * If the property, or any of its parents don't exist, they will be created. + * + * @param {string} path - The path of the property to set, optionally with a JSON pointer in the hash + * @param {*} value - The value to assign + */ +$Refs.prototype.set = function (path, value) { + var absPath = url.resolve(this._root$Ref.path, path); + var withoutHash = url.stripHash(absPath); + var $ref = this._$refs[withoutHash]; + + if (!$ref) { + throw ono('Error resolving $ref pointer "%s". \n"%s" not found.', path, withoutHash); + } + + $ref.set(absPath, value); +}; + +/** + * Creates a new {@link $Ref} object and adds it to this {@link $Refs} object. + * + * @param {string} path - The file path or URL of the referenced file + */ +$Refs.prototype._add = function (path) { + var withoutHash = url.stripHash(path); + + var $ref = new $Ref(); + $ref.path = withoutHash; + $ref.$refs = this; + + this._$refs[withoutHash] = $ref; + this._root$Ref = this._root$Ref || $ref; + + return $ref; +}; + +/** + * Resolves the given JSON reference. + * + * @param {string} path - The path being resolved, optionally with a JSON pointer in the hash + * @param {$RefParserOptions} [options] + * @returns {Pointer} + * @protected + */ +$Refs.prototype._resolve = function (path, options) { + var absPath = url.resolve(this._root$Ref.path, path); + var withoutHash = url.stripHash(absPath); + var $ref = this._$refs[withoutHash]; + + if (!$ref) { + throw ono('Error resolving $ref pointer "%s". \n"%s" not found.', path, withoutHash); + } + + return $ref.resolve(absPath, options, path); +}; + +/** + * Returns the specified {@link $Ref} object, or undefined. + * + * @param {string} path - The path being resolved, optionally with a JSON pointer in the hash + * @returns {$Ref|undefined} + * @protected + */ +$Refs.prototype._get$Ref = function (path) { + path = url.resolve(this._root$Ref.path, path); + var withoutHash = url.stripHash(path); + return this._$refs[withoutHash]; +}; + +/** + * Returns the encoded and decoded paths keys of the given object. + * + * @param {object} $refs - The object whose keys are URL-encoded paths + * @param {...string|string[]} [types] - Only return paths of the given types ("file", "http", etc.) + * @returns {object[]} + */ +function getPaths ($refs, types) { + var paths = Object.keys($refs); + + // Filter the paths by type + types = Array.isArray(types[0]) ? types[0] : Array.prototype.slice.call(types); + if (types.length > 0 && types[0]) { + paths = paths.filter(function (key) { + return types.indexOf($refs[key].pathType) !== -1; + }); + } + + // Decode local filesystem paths + return paths.map(function (path) { + return { + encoded: path, + decoded: $refs[path].pathType === "file" ? url.toFileSystemPath(path, true) : path + }; + }); +} + +},{"./ref":46,"./util/url":52,"ono":56}],48:[function(require,module,exports){ +"use strict"; + +var $Ref = require("./ref"), + Pointer = require("./pointer"), + parse = require("./parse"), + url = require("./util/url"); + +module.exports = resolveExternal; + +/** + * Crawls the JSON schema, finds all external JSON references, and resolves their values. + * This method does not mutate the JSON schema. The resolved values are added to {@link $RefParser#$refs}. + * + * NOTE: We only care about EXTERNAL references here. INTERNAL references are only relevant when dereferencing. + * + * @param {$RefParser} parser + * @param {$RefParserOptions} options + * + * @returns {Promise} + * The promise resolves once all JSON references in the schema have been resolved, + * including nested references that are contained in externally-referenced files. + */ +function resolveExternal (parser, options) { + if (!options.resolve.external) { + // Nothing to resolve, so exit early + return Promise.resolve(); + } + + try { + // console.log('Resolving $ref pointers in %s', parser.$refs._root$Ref.path); + var promises = crawl(parser.schema, parser.$refs._root$Ref.path + "#", parser.$refs, options); + return Promise.all(promises); + } + catch (e) { + return Promise.reject(e); + } +} + +/** + * Recursively crawls the given value, and resolves any external JSON references. + * + * @param {*} obj - The value to crawl. If it's not an object or array, it will be ignored. + * @param {string} path - The full path of `obj`, possibly with a JSON Pointer in the hash + * @param {$Refs} $refs + * @param {$RefParserOptions} options + * + * @returns {Promise[]} + * Returns an array of promises. There will be one promise for each JSON reference in `obj`. + * If `obj` does not contain any JSON references, then the array will be empty. + * If any of the JSON references point to files that contain additional JSON references, + * then the corresponding promise will internally reference an array of promises. + */ +function crawl (obj, path, $refs, options) { + var promises = []; + + if (obj && typeof obj === "object") { + if ($Ref.isExternal$Ref(obj)) { + promises.push(resolve$Ref(obj, path, $refs, options)); + } + else { + Object.keys(obj).forEach(function (key) { + var keyPath = Pointer.join(path, key); + var value = obj[key]; + + if ($Ref.isExternal$Ref(value)) { + promises.push(resolve$Ref(value, keyPath, $refs, options)); + } + else { + promises = promises.concat(crawl(value, keyPath, $refs, options)); + } + }); + } + } + + return promises; +} + +/** + * Resolves the given JSON Reference, and then crawls the resulting value. + * + * @param {{$ref: string}} $ref - The JSON Reference to resolve + * @param {string} path - The full path of `$ref`, possibly with a JSON Pointer in the hash + * @param {$Refs} $refs + * @param {$RefParserOptions} options + * + * @returns {Promise} + * The promise resolves once all JSON references in the object have been resolved, + * including nested references that are contained in externally-referenced files. + */ +function resolve$Ref ($ref, path, $refs, options) { + // console.log('Resolving $ref pointer "%s" at %s', $ref.$ref, path); + + var resolvedPath = url.resolve(path, $ref.$ref); + var withoutHash = url.stripHash(resolvedPath); + + // Do we already have this $ref? + $ref = $refs._$refs[withoutHash]; + if ($ref) { + // We've already parsed this $ref, so use the existing value + return Promise.resolve($ref.value); + } + + // Parse the $referenced file/url + return parse(resolvedPath, $refs, options) + .then(function (result) { + // Crawl the parsed value + // console.log('Resolving $ref pointers in %s', withoutHash); + var promises = crawl(result, withoutHash + "#", $refs, options); + return Promise.all(promises); + }); +} + +},{"./parse":40,"./pointer":45,"./ref":46,"./util/url":52}],49:[function(require,module,exports){ +"use strict"; +var fs = require("fs"), + ono = require("ono"), + url = require("../util/url"); + +module.exports = { + /** + * The order that this resolver will run, in relation to other resolvers. + * + * @type {number} + */ + order: 100, + + /** + * Determines whether this resolver can read a given file reference. + * Resolvers that return true will be tried, in order, until one successfully resolves the file. + * Resolvers that return false will not be given a chance to resolve the file. + * + * @param {object} file - An object containing information about the referenced file + * @param {string} file.url - The full URL of the referenced file + * @param {string} file.extension - The lowercased file extension (e.g. ".txt", ".html", etc.) + * @returns {boolean} + */ + canRead: function isFile (file) { + return url.isFileSystemPath(file.url); + }, + + /** + * Reads the given file and returns its raw contents as a Buffer. + * + * @param {object} file - An object containing information about the referenced file + * @param {string} file.url - The full URL of the referenced file + * @param {string} file.extension - The lowercased file extension (e.g. ".txt", ".html", etc.) + * @returns {Promise} + */ + read: function readFile (file) { + return new Promise(function (resolve, reject) { + var path; + try { + path = url.toFileSystemPath(file.url); + } + catch (err) { + reject(ono.uri(err, "Malformed URI: %s", file.url)); + } + + // console.log('Opening file: %s', path); + + try { + fs.readFile(path, function (err, data) { + if (err) { + reject(ono(err, 'Error opening file "%s"', path)); + } + else { + resolve(data); + } + }); + } + catch (err) { + reject(ono(err, 'Error opening file "%s"', path)); + } + }); + } +}; + +},{"../util/url":52,"fs":1,"ono":56}],50:[function(require,module,exports){ +(function (process,Buffer){(function (){ +"use strict"; + +var http = require("http"), + https = require("https"), + ono = require("ono"), + url = require("../util/url"); + +module.exports = { + /** + * The order that this resolver will run, in relation to other resolvers. + * + * @type {number} + */ + order: 200, + + /** + * HTTP headers to send when downloading files. + * + * @example: + * { + * "User-Agent": "JSON Schema $Ref Parser", + * Accept: "application/json" + * } + * + * @type {object} + */ + headers: null, + + /** + * HTTP request timeout (in milliseconds). + * + * @type {number} + */ + timeout: 5000, // 5 seconds + + /** + * The maximum number of HTTP redirects to follow. + * To disable automatic following of redirects, set this to zero. + * + * @type {number} + */ + redirects: 5, + + /** + * The `withCredentials` option of XMLHttpRequest. + * Set this to `true` if you're downloading files from a CORS-enabled server that requires authentication + * + * @type {boolean} + */ + withCredentials: false, + + /** + * Determines whether this resolver can read a given file reference. + * Resolvers that return true will be tried in order, until one successfully resolves the file. + * Resolvers that return false will not be given a chance to resolve the file. + * + * @param {object} file - An object containing information about the referenced file + * @param {string} file.url - The full URL of the referenced file + * @param {string} file.extension - The lowercased file extension (e.g. ".txt", ".html", etc.) + * @returns {boolean} + */ + canRead: function isHttp (file) { + return url.isHttp(file.url); + }, + + /** + * Reads the given URL and returns its raw contents as a Buffer. + * + * @param {object} file - An object containing information about the referenced file + * @param {string} file.url - The full URL of the referenced file + * @param {string} file.extension - The lowercased file extension (e.g. ".txt", ".html", etc.) + * @returns {Promise} + */ + read: function readHttp (file) { + var u = url.parse(file.url); + + if (process.browser && !u.protocol) { + // Use the protocol of the current page + u.protocol = url.parse(location.href).protocol; + } + + return download(u, this); + } +}; + +/** + * Downloads the given file. + * + * @param {Url|string} u - The url to download (can be a parsed {@link Url} object) + * @param {object} httpOptions - The `options.resolve.http` object + * @param {number} [redirects] - The redirect URLs that have already been followed + * + * @returns {Promise} + * The promise resolves with the raw downloaded data, or rejects if there is an HTTP error. + */ +function download (u, httpOptions, redirects) { + return new Promise(function (resolve, reject) { + u = url.parse(u); + redirects = redirects || []; + redirects.push(u.href); + + get(u, httpOptions) + .then(function (res) { + if (res.statusCode >= 400) { + throw ono({ status: res.statusCode }, "HTTP ERROR %d", res.statusCode); + } + else if (res.statusCode >= 300) { + if (redirects.length > httpOptions.redirects) { + reject(ono({ status: res.statusCode }, "Error downloading %s. \nToo many redirects: \n %s", + redirects[0], redirects.join(" \n "))); + } + else if (!res.headers.location) { + throw ono({ status: res.statusCode }, "HTTP %d redirect with no location header", res.statusCode); + } + else { + // console.log('HTTP %d redirect %s -> %s', res.statusCode, u.href, res.headers.location); + var redirectTo = url.resolve(u, res.headers.location); + download(redirectTo, httpOptions, redirects).then(resolve, reject); + } + } + else { + resolve(res.body || new Buffer(0)); + } + }) + .catch(function (err) { + reject(ono(err, "Error downloading", u.href)); + }); + }); +} + +/** + * Sends an HTTP GET request. + * + * @param {Url} u - A parsed {@link Url} object + * @param {object} httpOptions - The `options.resolve.http` object + * + * @returns {Promise} + * The promise resolves with the HTTP Response object. + */ +function get (u, httpOptions) { + return new Promise(function (resolve, reject) { + // console.log('GET', u.href); + + var protocol = u.protocol === "https:" ? https : http; + var req = protocol.get({ + hostname: u.hostname, + port: u.port, + path: u.path, + auth: u.auth, + protocol: u.protocol, + headers: httpOptions.headers || {}, + withCredentials: httpOptions.withCredentials + }); + + if (typeof req.setTimeout === "function") { + req.setTimeout(httpOptions.timeout); + } + + req.on("timeout", function () { + req.abort(); + }); + + req.on("error", reject); + + req.once("response", function (res) { + res.body = new Buffer(0); + + res.on("data", function (data) { + res.body = Buffer.concat([res.body, new Buffer(data)]); + }); + + res.on("error", reject); + + res.on("end", function () { + resolve(res); + }); + }); + }); +} + +}).call(this)}).call(this,require('_process'),require("buffer").Buffer) +},{"../util/url":52,"_process":117,"buffer":110,"http":123,"https":113,"ono":56}],51:[function(require,module,exports){ +"use strict"; + +/** + * Returns the given plugins as an array, rather than an object map. + * All other methods in this module expect an array of plugins rather than an object map. + * + * @param {object} plugins - A map of plugin objects + * @return {object[]} + */ +exports.all = function (plugins) { + return Object.keys(plugins) + .filter(function (key) { + return typeof plugins[key] === "object"; + }) + .map(function (key) { + plugins[key].name = key; + return plugins[key]; + }); +}; + +/** + * Filters the given plugins, returning only the ones return `true` for the given method. + * + * @param {object[]} plugins - An array of plugin objects + * @param {string} method - The name of the filter method to invoke for each plugin + * @param {object} file - A file info object, which will be passed to each method + * @return {object[]} + */ +exports.filter = function (plugins, method, file) { + return plugins + .filter(function (plugin) { + return !!getResult(plugin, method, file); + }); +}; + +/** + * Sorts the given plugins, in place, by their `order` property. + * + * @param {object[]} plugins - An array of plugin objects + * @returns {object[]} + */ +exports.sort = function (plugins) { + plugins.forEach(function (plugin) { + plugin.order = plugin.order || Number.MAX_SAFE_INTEGER; + }); + + return plugins.sort(function (a, b) { return a.order - b.order; }); +}; + +/** + * Runs the specified method of the given plugins, in order, until one of them returns a successful result. + * Each method can return a synchronous value, a Promise, or call an error-first callback. + * If the promise resolves successfully, or the callback is called without an error, then the result + * is immediately returned and no further plugins are called. + * If the promise rejects, or the callback is called with an error, then the next plugin is called. + * If ALL plugins fail, then the last error is thrown. + * + * @param {object[]} plugins - An array of plugin objects + * @param {string} method - The name of the method to invoke for each plugin + * @param {object} file - A file info object, which will be passed to each method + * @returns {Promise} + */ +exports.run = function (plugins, method, file) { + var plugin, lastError, index = 0; + + return new Promise(function (resolve, reject) { + runNextPlugin(); + + function runNextPlugin () { + plugin = plugins[index++]; + if (!plugin) { + // There are no more functions, so re-throw the last error + return reject(lastError); + } + + try { + // console.log(' %s', plugin.name); + var result = getResult(plugin, method, file, callback); + if (result && typeof result.then === "function") { + // A promise was returned + result.then(onSuccess, onError); + } + else if (result !== undefined) { + // A synchronous result was returned + onSuccess(result); + } + // else { the callback will be called } + } + catch (e) { + onError(e); + } + } + + function callback (err, result) { + if (err) { + onError(err); + } + else { + onSuccess(result); + } + } + + function onSuccess (result) { + // console.log(' success'); + resolve({ + plugin: plugin, + result: result + }); + } + + function onError (err) { + // console.log(' %s', err.message || err); + lastError = err; + runNextPlugin(); + } + }); +}; + +/** + * Returns the value of the given property. + * If the property is a function, then the result of the function is returned. + * If the value is a RegExp, then it will be tested against the file URL. + * If the value is an aray, then it will be compared against the file extension. + * + * @param {object} obj - The object whose property/method is called + * @param {string} prop - The name of the property/method to invoke + * @param {object} file - A file info object, which will be passed to the method + * @param {function} [callback] - A callback function, which will be passed to the method + * @returns {*} + */ +function getResult (obj, prop, file, callback) { + var value = obj[prop]; + + if (typeof value === "function") { + return value.apply(obj, [file, callback]); + } + + if (!callback) { + // The synchronous plugin functions (canParse and canRead) + // allow a "shorthand" syntax, where the user can match + // files by RegExp or by file extension. + if (value instanceof RegExp) { + return value.test(file.url); + } + else if (typeof value === "string") { + return value === file.extension; + } + else if (Array.isArray(value)) { + return value.indexOf(file.extension) !== -1; + } + } + + return value; +} + +},{}],52:[function(require,module,exports){ +(function (process){(function (){ +"use strict"; + +var isWindows = /^win/.test(process.platform), + forwardSlashPattern = /\//g, + protocolPattern = /^(\w{2,}):\/\//i, + url = module.exports; + +// RegExp patterns to URL-encode special characters in local filesystem paths +var urlEncodePatterns = [ + /\?/g, "%3F", + /\#/g, "%23", +]; + +// RegExp patterns to URL-decode special characters for local filesystem paths +var urlDecodePatterns = [ + /\%23/g, "#", + /\%24/g, "$", + /\%26/g, "&", + /\%2C/g, ",", + /\%40/g, "@" +]; + +exports.parse = require("url").parse; +exports.resolve = require("url").resolve; + +/** + * Returns the current working directory (in Node) or the current page URL (in browsers). + * + * @returns {string} + */ +exports.cwd = function cwd () { + return process.browser ? location.href : process.cwd() + "/"; +}; + +/** + * Returns the protocol of the given URL, or `undefined` if it has no protocol. + * + * @param {string} path + * @returns {?string} + */ +exports.getProtocol = function getProtocol (path) { + var match = protocolPattern.exec(path); + if (match) { + return match[1].toLowerCase(); + } +}; + +/** + * Returns the lowercased file extension of the given URL, + * or an empty string if it has no extension. + * + * @param {string} path + * @returns {string} + */ +exports.getExtension = function getExtension (path) { + var lastDot = path.lastIndexOf("."); + if (lastDot >= 0) { + return path.substr(lastDot).toLowerCase(); + } + return ""; +}; + +/** + * Returns the hash (URL fragment), of the given path. + * If there is no hash, then the root hash ("#") is returned. + * + * @param {string} path + * @returns {string} + */ +exports.getHash = function getHash (path) { + var hashIndex = path.indexOf("#"); + if (hashIndex >= 0) { + return path.substr(hashIndex); + } + return "#"; +}; + +/** + * Removes the hash (URL fragment), if any, from the given path. + * + * @param {string} path + * @returns {string} + */ +exports.stripHash = function stripHash (path) { + var hashIndex = path.indexOf("#"); + if (hashIndex >= 0) { + path = path.substr(0, hashIndex); + } + return path; +}; + +/** + * Determines whether the given path is an HTTP(S) URL. + * + * @param {string} path + * @returns {boolean} + */ +exports.isHttp = function isHttp (path) { + var protocol = url.getProtocol(path); + if (protocol === "http" || protocol === "https") { + return true; + } + else if (protocol === undefined) { + // There is no protocol. If we're running in a browser, then assume it's HTTP. + return process.browser; + } + else { + // It's some other protocol, such as "ftp://", "mongodb://", etc. + return false; + } +}; + +/** + * Determines whether the given path is a filesystem path. + * This includes "file://" URLs. + * + * @param {string} path + * @returns {boolean} + */ +exports.isFileSystemPath = function isFileSystemPath (path) { + if (process.browser) { + // We're running in a browser, so assume that all paths are URLs. + // This way, even relative paths will be treated as URLs rather than as filesystem paths + return false; + } + + var protocol = url.getProtocol(path); + return protocol === undefined || protocol === "file"; +}; + +/** + * Converts a filesystem path to a properly-encoded URL. + * + * This is intended to handle situations where JSON Schema $Ref Parser is called + * with a filesystem path that contains characters which are not allowed in URLs. + * + * @example + * The following filesystem paths would be converted to the following URLs: + * + * <"!@#$%^&*+=?'>.json ==> %3C%22!@%23$%25%5E&*+=%3F\'%3E.json + * C:\\My Documents\\File (1).json ==> C:/My%20Documents/File%20(1).json + * file://Project #42/file.json ==> file://Project%20%2342/file.json + * + * @param {string} path + * @returns {string} + */ +exports.fromFileSystemPath = function fromFileSystemPath (path) { + // Step 1: On Windows, replace backslashes with forward slashes, + // rather than encoding them as "%5C" + if (isWindows) { + path = path.replace(/\\/g, "/"); + } + + // Step 2: `encodeURI` will take care of MOST characters + path = encodeURI(path); + + // Step 3: Manually encode characters that are not encoded by `encodeURI`. + // This includes characters such as "#" and "?", which have special meaning in URLs, + // but are just normal characters in a filesystem path. + for (var i = 0; i < urlEncodePatterns.length; i += 2) { + path = path.replace(urlEncodePatterns[i], urlEncodePatterns[i + 1]); + } + + return path; +}; + +/** + * Converts a URL to a local filesystem path. + * + * @param {string} path + * @param {boolean} [keepFileProtocol] - If true, then "file://" will NOT be stripped + * @returns {string} + */ +exports.toFileSystemPath = function toFileSystemPath (path, keepFileProtocol) { + // Step 1: `decodeURI` will decode characters such as Cyrillic characters, spaces, etc. + path = decodeURI(path); + + // Step 2: Manually decode characters that are not decoded by `decodeURI`. + // This includes characters such as "#" and "?", which have special meaning in URLs, + // but are just normal characters in a filesystem path. + for (var i = 0; i < urlDecodePatterns.length; i += 2) { + path = path.replace(urlDecodePatterns[i], urlDecodePatterns[i + 1]); + } + + // Step 3: If it's a "file://" URL, then format it consistently + // or convert it to a local filesystem path + var isFileUrl = path.substr(0, 7).toLowerCase() === "file://"; + if (isFileUrl) { + // Strip-off the protocol, and the initial "/", if there is one + path = path[7] === "/" ? path.substr(8) : path.substr(7); + + // insert a colon (":") after the drive letter on Windows + if (isWindows && path[1] === "/") { + path = path[0] + ":" + path.substr(1); + } + + if (keepFileProtocol) { + // Return the consistently-formatted "file://" URL + path = "file:///" + path; + } + else { + // Convert the "file://" URL to a local filesystem path. + // On Windows, it will start with something like "C:/". + // On Posix, it will start with "/" + isFileUrl = false; + path = isWindows ? path : "/" + path; + } + } + + // Step 4: Normalize Windows paths (unless it's a "file://" URL) + if (isWindows && !isFileUrl) { + // Replace forward slashes with backslashes + path = path.replace(forwardSlashPattern, "\\"); + + // Capitalize the drive letter + if (path.substr(1, 2) === ":\\") { + path = path[0].toUpperCase() + path.substr(1); + } + } + + return path; +}; + +}).call(this)}).call(this,require('_process')) +},{"_process":117,"url":143}],53:[function(require,module,exports){ +/* eslint lines-around-comment: [2, {beforeBlockComment: false}] */ +"use strict"; + +var yaml = require("js-yaml"), + ono = require("ono"); + +/** + * Simple YAML parsing functions, similar to {@link JSON.parse} and {@link JSON.stringify} + */ +module.exports = { + /** + * Parses a YAML string and returns the value. + * + * @param {string} text - The YAML string to be parsed + * @param {function} [reviver] - Not currently supported. Provided for consistency with {@link JSON.parse} + * @returns {*} + */ + parse: function yamlParse (text, reviver) { + try { + return yaml.safeLoad(text); + } + catch (e) { + if (e instanceof Error) { + throw e; + } + else { + // https://github.com/nodeca/js-yaml/issues/153 + throw ono(e, e.message); + } + } + }, + + /** + * Converts a JavaScript value to a YAML string. + * + * @param {*} value - The value to convert to YAML + * @param {function|array} replacer - Not currently supported. Provided for consistency with {@link JSON.stringify} + * @param {string|number} space - The number of spaces to use for indentation, or a string containing the number of spaces. + * @returns {string} + */ + stringify: function yamlStringify (value, replacer, space) { + try { + var indent = (typeof space === "string" ? space.length : space) || 2; + return yaml.safeDump(value, { indent: indent }); + } + catch (e) { + if (e instanceof Error) { + throw e; + } + else { + // https://github.com/nodeca/js-yaml/issues/153 + throw ono(e, e.message); + } + } + } +}; + +},{"js-yaml":5,"ono":56}],54:[function(require,module,exports){ +"use strict"; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.JSONPath = JSONPath; + +function _typeof(obj) { + "@babel/helpers - typeof"; + + if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { + _typeof = function (obj) { + return typeof obj; + }; + } else { + _typeof = function (obj) { + return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; + }; + } + + return _typeof(obj); +} + +function _classCallCheck(instance, Constructor) { + if (!(instance instanceof Constructor)) { + throw new TypeError("Cannot call a class as a function"); + } +} + +function _inherits(subClass, superClass) { + if (typeof superClass !== "function" && superClass !== null) { + throw new TypeError("Super expression must either be null or a function"); + } + + subClass.prototype = Object.create(superClass && superClass.prototype, { + constructor: { + value: subClass, + writable: true, + configurable: true + } + }); + if (superClass) _setPrototypeOf(subClass, superClass); +} + +function _getPrototypeOf(o) { + _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { + return o.__proto__ || Object.getPrototypeOf(o); + }; + return _getPrototypeOf(o); +} + +function _setPrototypeOf(o, p) { + _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { + o.__proto__ = p; + return o; + }; + + return _setPrototypeOf(o, p); +} + +function _isNativeReflectConstruct() { + if (typeof Reflect === "undefined" || !Reflect.construct) return false; + if (Reflect.construct.sham) return false; + if (typeof Proxy === "function") return true; + + try { + Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); + return true; + } catch (e) { + return false; + } +} + +function _construct(Parent, args, Class) { + if (_isNativeReflectConstruct()) { + _construct = Reflect.construct; + } else { + _construct = function _construct(Parent, args, Class) { + var a = [null]; + a.push.apply(a, args); + var Constructor = Function.bind.apply(Parent, a); + var instance = new Constructor(); + if (Class) _setPrototypeOf(instance, Class.prototype); + return instance; + }; + } + + return _construct.apply(null, arguments); +} + +function _isNativeFunction(fn) { + return Function.toString.call(fn).indexOf("[native code]") !== -1; +} + +function _wrapNativeSuper(Class) { + var _cache = typeof Map === "function" ? new Map() : undefined; + + _wrapNativeSuper = function _wrapNativeSuper(Class) { + if (Class === null || !_isNativeFunction(Class)) return Class; + + if (typeof Class !== "function") { + throw new TypeError("Super expression must either be null or a function"); + } + + if (typeof _cache !== "undefined") { + if (_cache.has(Class)) return _cache.get(Class); + + _cache.set(Class, Wrapper); + } + + function Wrapper() { + return _construct(Class, arguments, _getPrototypeOf(this).constructor); + } + + Wrapper.prototype = Object.create(Class.prototype, { + constructor: { + value: Wrapper, + enumerable: false, + writable: true, + configurable: true + } + }); + return _setPrototypeOf(Wrapper, Class); + }; + + return _wrapNativeSuper(Class); +} + +function _assertThisInitialized(self) { + if (self === void 0) { + throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); + } + + return self; +} + +function _possibleConstructorReturn(self, call) { + if (call && (typeof call === "object" || typeof call === "function")) { + return call; + } + + return _assertThisInitialized(self); +} + +function _createSuper(Derived) { + var hasNativeReflectConstruct = _isNativeReflectConstruct(); + + return function _createSuperInternal() { + var Super = _getPrototypeOf(Derived), + result; + + if (hasNativeReflectConstruct) { + var NewTarget = _getPrototypeOf(this).constructor; + + result = Reflect.construct(Super, arguments, NewTarget); + } else { + result = Super.apply(this, arguments); + } + + return _possibleConstructorReturn(this, result); + }; +} + +function _toConsumableArray(arr) { + return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); +} + +function _arrayWithoutHoles(arr) { + if (Array.isArray(arr)) return _arrayLikeToArray(arr); +} + +function _iterableToArray(iter) { + if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); +} + +function _unsupportedIterableToArray(o, minLen) { + if (!o) return; + if (typeof o === "string") return _arrayLikeToArray(o, minLen); + var n = Object.prototype.toString.call(o).slice(8, -1); + if (n === "Object" && o.constructor) n = o.constructor.name; + if (n === "Map" || n === "Set") return Array.from(o); + if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); +} + +function _arrayLikeToArray(arr, len) { + if (len == null || len > arr.length) len = arr.length; + + for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; + + return arr2; +} + +function _nonIterableSpread() { + throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); +} + +function _createForOfIteratorHelper(o, allowArrayLike) { + var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; + + if (!it) { + if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { + if (it) o = it; + var i = 0; + + var F = function () {}; + + return { + s: F, + n: function () { + if (i >= o.length) return { + done: true + }; + return { + done: false, + value: o[i++] + }; + }, + e: function (e) { + throw e; + }, + f: F + }; + } + + throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); + } + + var normalCompletion = true, + didErr = false, + err; + return { + s: function () { + it = it.call(o); + }, + n: function () { + var step = it.next(); + normalCompletion = step.done; + return step; + }, + e: function (e) { + didErr = true; + err = e; + }, + f: function () { + try { + if (!normalCompletion && it.return != null) it.return(); + } finally { + if (didErr) throw err; + } + } + }; +} + +var hasOwnProp = Object.prototype.hasOwnProperty; +/** +* @typedef {null|boolean|number|string|PlainObject|GenericArray} JSONObject +*/ + +/** + * Copies array and then pushes item into it. + * @param {GenericArray} arr Array to copy and into which to push + * @param {any} item Array item to add (to end) + * @returns {GenericArray} Copy of the original array + */ + +function push(arr, item) { + arr = arr.slice(); + arr.push(item); + return arr; +} +/** + * Copies array and then unshifts item into it. + * @param {any} item Array item to add (to beginning) + * @param {GenericArray} arr Array to copy and into which to unshift + * @returns {GenericArray} Copy of the original array + */ + + +function unshift(item, arr) { + arr = arr.slice(); + arr.unshift(item); + return arr; +} +/** + * Caught when JSONPath is used without `new` but rethrown if with `new` + * @extends Error + */ + + +var NewError = /*#__PURE__*/function (_Error) { + _inherits(NewError, _Error); + + var _super = _createSuper(NewError); + /** + * @param {any} value The evaluated scalar value + */ + + + function NewError(value) { + var _this; + + _classCallCheck(this, NewError); + + _this = _super.call(this, 'JSONPath should not be called with "new" (it prevents return ' + 'of (unwrapped) scalar values)'); + _this.avoidNew = true; + _this.value = value; + _this.name = 'NewError'; + return _this; + } + + return NewError; +}( /*#__PURE__*/_wrapNativeSuper(Error)); +/** +* @typedef {PlainObject} ReturnObject +* @property {string} path +* @property {JSONObject} value +* @property {PlainObject|GenericArray} parent +* @property {string} parentProperty +*/ + +/** +* @callback JSONPathCallback +* @param {string|PlainObject} preferredOutput +* @param {"value"|"property"} type +* @param {ReturnObject} fullRetObj +* @returns {void} +*/ + +/** +* @callback OtherTypeCallback +* @param {JSONObject} val +* @param {string} path +* @param {PlainObject|GenericArray} parent +* @param {string} parentPropName +* @returns {boolean} +*/ + +/* eslint-disable max-len -- Can make multiline type after https://github.com/syavorsky/comment-parser/issues/109 */ + +/** + * @typedef {PlainObject} JSONPathOptions + * @property {JSON} json + * @property {string|string[]} path + * @property {"value"|"path"|"pointer"|"parent"|"parentProperty"|"all"} [resultType="value"] + * @property {boolean} [flatten=false] + * @property {boolean} [wrap=true] + * @property {PlainObject} [sandbox={}] + * @property {boolean} [preventEval=false] + * @property {PlainObject|GenericArray|null} [parent=null] + * @property {string|null} [parentProperty=null] + * @property {JSONPathCallback} [callback] + * @property {OtherTypeCallback} [otherTypeCallback] Defaults to + * function which throws on encountering `@other` + * @property {boolean} [autostart=true] + */ + +/* eslint-enable max-len -- Can make multiline type after https://github.com/syavorsky/comment-parser/issues/109 */ + +/** + * @param {string|JSONPathOptions} opts If a string, will be treated as `expr` + * @param {string} [expr] JSON path to evaluate + * @param {JSON} [obj] JSON object to evaluate against + * @param {JSONPathCallback} [callback] Passed 3 arguments: 1) desired payload + * per `resultType`, 2) `"value"|"property"`, 3) Full returned object with + * all payloads + * @param {OtherTypeCallback} [otherTypeCallback] If `@other()` is at the end + * of one's query, this will be invoked with the value of the item, its + * path, its parent, and its parent's property name, and it should return + * a boolean indicating whether the supplied value belongs to the "other" + * type or not (or it may handle transformations and return `false`). + * @returns {JSONPath} + * @class + */ + + +function JSONPath(opts, expr, obj, callback, otherTypeCallback) { + // eslint-disable-next-line no-restricted-syntax + if (!(this instanceof JSONPath)) { + try { + return new JSONPath(opts, expr, obj, callback, otherTypeCallback); + } catch (e) { + if (!e.avoidNew) { + throw e; + } + + return e.value; + } + } + + if (typeof opts === 'string') { + otherTypeCallback = callback; + callback = obj; + obj = expr; + expr = opts; + opts = null; + } + + var optObj = opts && _typeof(opts) === 'object'; + opts = opts || {}; + this.json = opts.json || obj; + this.path = opts.path || expr; + this.resultType = opts.resultType || 'value'; + this.flatten = opts.flatten || false; + this.wrap = hasOwnProp.call(opts, 'wrap') ? opts.wrap : true; + this.sandbox = opts.sandbox || {}; + this.preventEval = opts.preventEval || false; + this.parent = opts.parent || null; + this.parentProperty = opts.parentProperty || null; + this.callback = opts.callback || callback || null; + + this.otherTypeCallback = opts.otherTypeCallback || otherTypeCallback || function () { + throw new TypeError('You must supply an otherTypeCallback callback option ' + 'with the @other() operator.'); + }; + + if (opts.autostart !== false) { + var args = { + path: optObj ? opts.path : expr + }; + + if (!optObj) { + args.json = obj; + } else if ('json' in opts) { + args.json = opts.json; + } + + var ret = this.evaluate(args); + + if (!ret || _typeof(ret) !== 'object') { + throw new NewError(ret); + } + + return ret; + } +} // PUBLIC METHODS + + +JSONPath.prototype.evaluate = function (expr, json, callback, otherTypeCallback) { + var _this2 = this; + + var currParent = this.parent, + currParentProperty = this.parentProperty; + var flatten = this.flatten, + wrap = this.wrap; + this.currResultType = this.resultType; + this.currPreventEval = this.preventEval; + this.currSandbox = this.sandbox; + callback = callback || this.callback; + this.currOtherTypeCallback = otherTypeCallback || this.otherTypeCallback; + json = json || this.json; + expr = expr || this.path; + + if (expr && _typeof(expr) === 'object' && !Array.isArray(expr)) { + if (!expr.path && expr.path !== '') { + throw new TypeError('You must supply a "path" property when providing an object ' + 'argument to JSONPath.evaluate().'); + } + + if (!hasOwnProp.call(expr, 'json')) { + throw new TypeError('You must supply a "json" property when providing an object ' + 'argument to JSONPath.evaluate().'); + } + + var _expr = expr; + json = _expr.json; + flatten = hasOwnProp.call(expr, 'flatten') ? expr.flatten : flatten; + this.currResultType = hasOwnProp.call(expr, 'resultType') ? expr.resultType : this.currResultType; + this.currSandbox = hasOwnProp.call(expr, 'sandbox') ? expr.sandbox : this.currSandbox; + wrap = hasOwnProp.call(expr, 'wrap') ? expr.wrap : wrap; + this.currPreventEval = hasOwnProp.call(expr, 'preventEval') ? expr.preventEval : this.currPreventEval; + callback = hasOwnProp.call(expr, 'callback') ? expr.callback : callback; + this.currOtherTypeCallback = hasOwnProp.call(expr, 'otherTypeCallback') ? expr.otherTypeCallback : this.currOtherTypeCallback; + currParent = hasOwnProp.call(expr, 'parent') ? expr.parent : currParent; + currParentProperty = hasOwnProp.call(expr, 'parentProperty') ? expr.parentProperty : currParentProperty; + expr = expr.path; + } + + currParent = currParent || null; + currParentProperty = currParentProperty || null; + + if (Array.isArray(expr)) { + expr = JSONPath.toPathString(expr); + } + + if (!expr && expr !== '' || !json) { + return undefined; + } + + var exprList = JSONPath.toPathArray(expr); + + if (exprList[0] === '$' && exprList.length > 1) { + exprList.shift(); + } + + this._hasParentSelector = null; + + var result = this._trace(exprList, json, ['$'], currParent, currParentProperty, callback).filter(function (ea) { + return ea && !ea.isParentSelector; + }); + + if (!result.length) { + return wrap ? [] : undefined; + } + + if (!wrap && result.length === 1 && !result[0].hasArrExpr) { + return this._getPreferredOutput(result[0]); + } + + return result.reduce(function (rslt, ea) { + var valOrPath = _this2._getPreferredOutput(ea); + + if (flatten && Array.isArray(valOrPath)) { + rslt = rslt.concat(valOrPath); + } else { + rslt.push(valOrPath); + } + + return rslt; + }, []); +}; // PRIVATE METHODS + + +JSONPath.prototype._getPreferredOutput = function (ea) { + var resultType = this.currResultType; + + switch (resultType) { + case 'all': + { + var path = Array.isArray(ea.path) ? ea.path : JSONPath.toPathArray(ea.path); + ea.pointer = JSONPath.toPointer(path); + ea.path = typeof ea.path === 'string' ? ea.path : JSONPath.toPathString(ea.path); + return ea; + } + + case 'value': + case 'parent': + case 'parentProperty': + return ea[resultType]; + + case 'path': + return JSONPath.toPathString(ea[resultType]); + + case 'pointer': + return JSONPath.toPointer(ea.path); + + default: + throw new TypeError('Unknown result type'); + } +}; + +JSONPath.prototype._handleCallback = function (fullRetObj, callback, type) { + if (callback) { + var preferredOutput = this._getPreferredOutput(fullRetObj); + + fullRetObj.path = typeof fullRetObj.path === 'string' ? fullRetObj.path : JSONPath.toPathString(fullRetObj.path); // eslint-disable-next-line node/callback-return + + callback(preferredOutput, type, fullRetObj); + } +}; +/** + * + * @param {string} expr + * @param {JSONObject} val + * @param {string} path + * @param {PlainObject|GenericArray} parent + * @param {string} parentPropName + * @param {JSONPathCallback} callback + * @param {boolean} hasArrExpr + * @param {boolean} literalPriority + * @returns {ReturnObject|ReturnObject[]} + */ + + +JSONPath.prototype._trace = function (expr, val, path, parent, parentPropName, callback, hasArrExpr, literalPriority) { + var _this3 = this; // No expr to follow? return path and value as the result of + // this trace branch + + + var retObj; + + if (!expr.length) { + retObj = { + path: path, + value: val, + parent: parent, + parentProperty: parentPropName, + hasArrExpr: hasArrExpr + }; + + this._handleCallback(retObj, callback, 'value'); + + return retObj; + } + + var loc = expr[0], + x = expr.slice(1); // We need to gather the return value of recursive trace calls in order to + // do the parent sel computation. + + var ret = []; + /** + * + * @param {ReturnObject|ReturnObject[]} elems + * @returns {void} + */ + + function addRet(elems) { + if (Array.isArray(elems)) { + // This was causing excessive stack size in Node (with or + // without Babel) against our performance test: + // `ret.push(...elems);` + elems.forEach(function (t) { + ret.push(t); + }); + } else { + ret.push(elems); + } + } + + if ((typeof loc !== 'string' || literalPriority) && val && hasOwnProp.call(val, loc)) { + // simple case--directly follow property + addRet(this._trace(x, val[loc], push(path, loc), val, loc, callback, hasArrExpr)); // eslint-disable-next-line unicorn/prefer-switch -- Part of larger `if` + } else if (loc === '*') { + // all child properties + this._walk(loc, x, val, path, parent, parentPropName, callback, function (m, l, _x, v, p, par, pr, cb) { + addRet(_this3._trace(unshift(m, _x), v, p, par, pr, cb, true, true)); + }); + } else if (loc === '..') { + // all descendent parent properties + // Check remaining expression with val's immediate children + addRet(this._trace(x, val, path, parent, parentPropName, callback, hasArrExpr)); + + this._walk(loc, x, val, path, parent, parentPropName, callback, function (m, l, _x, v, p, par, pr, cb) { + // We don't join m and x here because we only want parents, + // not scalar values + if (_typeof(v[m]) === 'object') { + // Keep going with recursive descent on val's + // object children + addRet(_this3._trace(unshift(l, _x), v[m], push(p, m), v, m, cb, true)); + } + }); // The parent sel computation is handled in the frame above using the + // ancestor object of val + + } else if (loc === '^') { + // This is not a final endpoint, so we do not invoke the callback here + this._hasParentSelector = true; + return { + path: path.slice(0, -1), + expr: x, + isParentSelector: true + }; + } else if (loc === '~') { + // property name + retObj = { + path: push(path, loc), + value: parentPropName, + parent: parent, + parentProperty: null + }; + + this._handleCallback(retObj, callback, 'property'); + + return retObj; + } else if (loc === '$') { + // root only + addRet(this._trace(x, val, path, null, null, callback, hasArrExpr)); + } else if (/^(\x2D?[0-9]*):(\x2D?[0-9]*):?([0-9]*)$/.test(loc)) { + // [start:end:step] Python slice syntax + addRet(this._slice(loc, x, val, path, parent, parentPropName, callback)); + } else if (loc.indexOf('?(') === 0) { + // [?(expr)] (filtering) + if (this.currPreventEval) { + throw new Error('Eval [?(expr)] prevented in JSONPath expression.'); + } + + this._walk(loc, x, val, path, parent, parentPropName, callback, function (m, l, _x, v, p, par, pr, cb) { + if (_this3._eval(l.replace(/^\?\(((?:[\0-\t\x0B\f\x0E-\u2027\u202A-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])*?)\)$/, '$1'), v[m], m, p, par, pr)) { + addRet(_this3._trace(unshift(m, _x), v, p, par, pr, cb, true)); + } + }); + } else if (loc[0] === '(') { + // [(expr)] (dynamic property/index) + if (this.currPreventEval) { + throw new Error('Eval [(expr)] prevented in JSONPath expression.'); + } // As this will resolve to a property name (but we don't know it + // yet), property and parent information is relative to the + // parent of the property to which this expression will resolve + + + addRet(this._trace(unshift(this._eval(loc, val, path[path.length - 1], path.slice(0, -1), parent, parentPropName), x), val, path, parent, parentPropName, callback, hasArrExpr)); + } else if (loc[0] === '@') { + // value type: @boolean(), etc. + var addType = false; + var valueType = loc.slice(1, -2); + + switch (valueType) { + case 'scalar': + if (!val || !['object', 'function'].includes(_typeof(val))) { + addType = true; + } + + break; + + case 'boolean': + case 'string': + case 'undefined': + case 'function': + // eslint-disable-next-line valid-typeof + if (_typeof(val) === valueType) { + addType = true; + } + + break; + + case 'integer': + if (Number.isFinite(val) && !(val % 1)) { + addType = true; + } + + break; + + case 'number': + if (Number.isFinite(val)) { + addType = true; + } + + break; + + case 'nonFinite': + if (typeof val === 'number' && !Number.isFinite(val)) { + addType = true; + } + + break; + + case 'object': + // eslint-disable-next-line valid-typeof + if (val && _typeof(val) === valueType) { + addType = true; + } + + break; + + case 'array': + if (Array.isArray(val)) { + addType = true; + } + + break; + + case 'other': + addType = this.currOtherTypeCallback(val, path, parent, parentPropName); + break; + + case 'null': + if (val === null) { + addType = true; + } + + break; + + /* istanbul ignore next */ + + default: + throw new TypeError('Unknown value type ' + valueType); + } + + if (addType) { + retObj = { + path: path, + value: val, + parent: parent, + parentProperty: parentPropName + }; + + this._handleCallback(retObj, callback, 'value'); + + return retObj; + } // `-escaped property + + } else if (loc[0] === '`' && val && hasOwnProp.call(val, loc.slice(1))) { + var locProp = loc.slice(1); + addRet(this._trace(x, val[locProp], push(path, locProp), val, locProp, callback, hasArrExpr, true)); + } else if (loc.includes(',')) { + // [name1,name2,...] + var parts = loc.split(','); + + var _iterator = _createForOfIteratorHelper(parts), + _step; + + try { + for (_iterator.s(); !(_step = _iterator.n()).done;) { + var part = _step.value; + addRet(this._trace(unshift(part, x), val, path, parent, parentPropName, callback, true)); + } // simple case--directly follow property + + } catch (err) { + _iterator.e(err); + } finally { + _iterator.f(); + } + } else if (!literalPriority && val && hasOwnProp.call(val, loc)) { + addRet(this._trace(x, val[loc], push(path, loc), val, loc, callback, hasArrExpr, true)); + } // We check the resulting values for parent selections. For parent + // selections we discard the value object and continue the trace with the + // current val object + + + if (this._hasParentSelector) { + for (var t = 0; t < ret.length; t++) { + var rett = ret[t]; + + if (rett && rett.isParentSelector) { + var tmp = this._trace(rett.expr, val, rett.path, parent, parentPropName, callback, hasArrExpr); + + if (Array.isArray(tmp)) { + ret[t] = tmp[0]; + var tl = tmp.length; + + for (var tt = 1; tt < tl; tt++) { + t++; + ret.splice(t, 0, tmp[tt]); + } + } else { + ret[t] = tmp; + } + } + } + } + + return ret; +}; + +JSONPath.prototype._walk = function (loc, expr, val, path, parent, parentPropName, callback, f) { + if (Array.isArray(val)) { + var n = val.length; + + for (var i = 0; i < n; i++) { + f(i, loc, expr, val, path, parent, parentPropName, callback); + } + } else if (val && _typeof(val) === 'object') { + Object.keys(val).forEach(function (m) { + f(m, loc, expr, val, path, parent, parentPropName, callback); + }); + } +}; + +JSONPath.prototype._slice = function (loc, expr, val, path, parent, parentPropName, callback) { + if (!Array.isArray(val)) { + return undefined; + } + + var len = val.length, + parts = loc.split(':'), + step = parts[2] && Number.parseInt(parts[2]) || 1; + var start = parts[0] && Number.parseInt(parts[0]) || 0, + end = parts[1] && Number.parseInt(parts[1]) || len; + start = start < 0 ? Math.max(0, start + len) : Math.min(len, start); + end = end < 0 ? Math.max(0, end + len) : Math.min(len, end); + var ret = []; + + for (var i = start; i < end; i += step) { + var tmp = this._trace(unshift(i, expr), val, path, parent, parentPropName, callback, true); // Should only be possible to be an array here since first part of + // ``unshift(i, expr)` passed in above would not be empty, nor `~`, + // nor begin with `@` (as could return objects) + // This was causing excessive stack size in Node (with or + // without Babel) against our performance test: `ret.push(...tmp);` + + + tmp.forEach(function (t) { + ret.push(t); + }); + } + + return ret; +}; + +JSONPath.prototype._eval = function (code, _v, _vname, path, parent, parentPropName) { + if (code.includes('@parentProperty')) { + this.currSandbox._$_parentProperty = parentPropName; + code = code.replace(/@parentProperty/g, '_$_parentProperty'); + } + + if (code.includes('@parent')) { + this.currSandbox._$_parent = parent; + code = code.replace(/@parent/g, '_$_parent'); + } + + if (code.includes('@property')) { + this.currSandbox._$_property = _vname; + code = code.replace(/@property/g, '_$_property'); + } + + if (code.includes('@path')) { + this.currSandbox._$_path = JSONPath.toPathString(path.concat([_vname])); + code = code.replace(/@path/g, '_$_path'); + } + + if (code.includes('@root')) { + this.currSandbox._$_root = this.json; + code = code.replace(/@root/g, '_$_root'); + } + + if (/@([\t-\r \)\.\[\xA0\u1680\u2000-\u200A\u2028\u2029\u202F\u205F\u3000\uFEFF])/.test(code)) { + this.currSandbox._$_v = _v; + code = code.replace(/@([\t-\r \)\.\[\xA0\u1680\u2000-\u200A\u2028\u2029\u202F\u205F\u3000\uFEFF])/g, '_$_v$1'); + } + + try { + return this.vm.runInNewContext(code, this.currSandbox); + } catch (e) { + // eslint-disable-next-line no-console + console.log(e); + throw new Error('jsonPath: ' + e.message + ': ' + code); + } +}; // PUBLIC CLASS PROPERTIES AND METHODS +// Could store the cache object itself + + +JSONPath.cache = {}; +/** + * @param {string[]} pathArr Array to convert + * @returns {string} The path string + */ + +JSONPath.toPathString = function (pathArr) { + var x = pathArr, + n = x.length; + var p = '$'; + + for (var i = 1; i < n; i++) { + if (!/^(~|\^|@(?:[\0-\t\x0B\f\x0E-\u2027\u202A-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])*?\(\))$/.test(x[i])) { + p += /^[\*0-9]+$/.test(x[i]) ? '[' + x[i] + ']' : "['" + x[i] + "']"; + } + } + + return p; +}; +/** + * @param {string} pointer JSON Path + * @returns {string} JSON Pointer + */ + + +JSONPath.toPointer = function (pointer) { + var x = pointer, + n = x.length; + var p = ''; + + for (var i = 1; i < n; i++) { + if (!/^(~|\^|@(?:[\0-\t\x0B\f\x0E-\u2027\u202A-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])*?\(\))$/.test(x[i])) { + p += '/' + x[i].toString().replace(/~/g, '~0').replace(/\//g, '~1'); + } + } + + return p; +}; +/** + * @param {string} expr Expression to convert + * @returns {string[]} + */ + + +JSONPath.toPathArray = function (expr) { + var cache = JSONPath.cache; + + if (cache[expr]) { + return cache[expr].concat(); + } + + var subx = []; + var normalized = expr // Properties + .replace(/@(?:null|boolean|number|string|integer|undefined|nonFinite|scalar|array|object|function|other)\(\)/g, ';$&;') // Parenthetical evaluations (filtering and otherwise), directly + // within brackets or single quotes + .replace(/['\[](\??\((?:[\0-\t\x0B\f\x0E-\u2027\u202A-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])*?\))['\]]/g, function ($0, $1) { + return '[#' + (subx.push($1) - 1) + ']'; + }) // Escape periods and tildes within properties + .replace(/\[["']((?:(?!['\]])[\s\S])*)["']\]/g, function ($0, prop) { + return "['" + prop.replace(/\./g, '%@%').replace(/~/g, '%%@@%%') + "']"; + }) // Properties operator + .replace(/~/g, ';~;') // Split by property boundaries + .replace(/["']?\.["']?(?!(?:(?!\[)[\s\S])*\])|\[["']?/g, ';') // Reinsert periods within properties + .replace(/%@%/g, '.') // Reinsert tildes within properties + .replace(/%%@@%%/g, '~') // Parent + .replace(/(?:;)?(\^+)(?:;)?/g, function ($0, ups) { + return ';' + ups.split('').join(';') + ';'; + }) // Descendents + .replace(/;;;|;;/g, ';..;') // Remove trailing + .replace(/;$|'?\]|'$/g, ''); + var exprList = normalized.split(';').map(function (exp) { + var match = exp.match(/#([0-9]+)/); + return !match || !match[1] ? exp : subx[match[1]]; + }); + cache[expr] = exprList; + return cache[expr].concat(); +}; +/** +* @callback ConditionCallback +* @param {any} item +* @returns {boolean} +*/ + +/** + * Copy items out of one array into another. + * @param {GenericArray} source Array with items to copy + * @param {GenericArray} target Array to which to copy + * @param {ConditionCallback} conditionCb Callback passed the current item; + * will move item if evaluates to `true` + * @returns {void} + */ + + +var moveToAnotherArray = function moveToAnotherArray(source, target, conditionCb) { + var il = source.length; + + for (var i = 0; i < il; i++) { + var item = source[i]; + + if (conditionCb(item)) { + target.push(source.splice(i--, 1)[0]); + } + } +}; + +JSONPath.prototype.vm = { + /** + * @param {string} expr Expression to evaluate + * @param {PlainObject} context Object whose items will be added + * to evaluation + * @returns {any} Result of evaluated code + */ + runInNewContext: function runInNewContext(expr, context) { + var keys = Object.keys(context); + var funcs = []; + moveToAnotherArray(keys, funcs, function (key) { + return typeof context[key] === 'function'; + }); + var values = keys.map(function (vr, i) { + return context[vr]; + }); + var funcString = funcs.reduce(function (s, func) { + var fString = context[func].toString(); + + if (!/function/.test(fString)) { + fString = 'function ' + fString; + } + + return 'var ' + func + '=' + fString + ';' + s; + }, ''); + expr = funcString + expr; // Mitigate http://perfectionkills.com/global-eval-what-are-the-options/#new_function + + if (!/(["'])use strict\1/.test(expr) && !keys.includes('arguments')) { + expr = 'var arguments = undefined;' + expr; + } // Remove last semi so `return` will be inserted before + // the previous one instead, allowing for the return + // of a bare ending expression + + + expr = expr.replace(/;[\t-\r \xA0\u1680\u2000-\u200A\u2028\u2029\u202F\u205F\u3000\uFEFF]*$/, ''); // Insert `return` + + var lastStatementEnd = expr.lastIndexOf(';'); + var code = lastStatementEnd > -1 ? expr.slice(0, lastStatementEnd + 1) + ' return ' + expr.slice(lastStatementEnd + 1) : ' return ' + expr; // eslint-disable-next-line no-new-func + + return _construct(Function, _toConsumableArray(keys).concat([code])).apply(void 0, _toConsumableArray(values)); + } +}; + +},{}],55:[function(require,module,exports){ +(function (global){(function (){ +"use strict";/** + * @license + * Lodash + * Copyright OpenJS Foundation and other contributors + * Released under MIT license + * Based on Underscore.js 1.8.3 + * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors + */;(function(){/** Used as a safe reference for `undefined` in pre-ES5 environments. */var undefined;/** Used as the semantic version number. */var VERSION='4.17.21';/** Used as the size to enable large array optimizations. */var LARGE_ARRAY_SIZE=200;/** Error message constants. */var CORE_ERROR_TEXT='Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',FUNC_ERROR_TEXT='Expected a function',INVALID_TEMPL_VAR_ERROR_TEXT='Invalid `variable` option passed into `_.template`';/** Used to stand-in for `undefined` hash values. */var HASH_UNDEFINED='__lodash_hash_undefined__';/** Used as the maximum memoize cache size. */var MAX_MEMOIZE_SIZE=500;/** Used as the internal argument placeholder. */var PLACEHOLDER='__lodash_placeholder__';/** Used to compose bitmasks for cloning. */var CLONE_DEEP_FLAG=1,CLONE_FLAT_FLAG=2,CLONE_SYMBOLS_FLAG=4;/** Used to compose bitmasks for value comparisons. */var COMPARE_PARTIAL_FLAG=1,COMPARE_UNORDERED_FLAG=2;/** Used to compose bitmasks for function metadata. */var WRAP_BIND_FLAG=1,WRAP_BIND_KEY_FLAG=2,WRAP_CURRY_BOUND_FLAG=4,WRAP_CURRY_FLAG=8,WRAP_CURRY_RIGHT_FLAG=16,WRAP_PARTIAL_FLAG=32,WRAP_PARTIAL_RIGHT_FLAG=64,WRAP_ARY_FLAG=128,WRAP_REARG_FLAG=256,WRAP_FLIP_FLAG=512;/** Used as default options for `_.truncate`. */var DEFAULT_TRUNC_LENGTH=30,DEFAULT_TRUNC_OMISSION='...';/** Used to detect hot functions by number of calls within a span of milliseconds. */var HOT_COUNT=800,HOT_SPAN=16;/** Used to indicate the type of lazy iteratees. */var LAZY_FILTER_FLAG=1,LAZY_MAP_FLAG=2,LAZY_WHILE_FLAG=3;/** Used as references for various `Number` constants. */var INFINITY=1/0,MAX_SAFE_INTEGER=9007199254740991,MAX_INTEGER=1.7976931348623157e+308,NAN=0/0;/** Used as references for the maximum length and index of an array. */var MAX_ARRAY_LENGTH=4294967295,MAX_ARRAY_INDEX=MAX_ARRAY_LENGTH-1,HALF_MAX_ARRAY_LENGTH=MAX_ARRAY_LENGTH>>>1;/** Used to associate wrap methods with their bit flags. */var wrapFlags=[['ary',WRAP_ARY_FLAG],['bind',WRAP_BIND_FLAG],['bindKey',WRAP_BIND_KEY_FLAG],['curry',WRAP_CURRY_FLAG],['curryRight',WRAP_CURRY_RIGHT_FLAG],['flip',WRAP_FLIP_FLAG],['partial',WRAP_PARTIAL_FLAG],['partialRight',WRAP_PARTIAL_RIGHT_FLAG],['rearg',WRAP_REARG_FLAG]];/** `Object#toString` result references. */var argsTag='[object Arguments]',arrayTag='[object Array]',asyncTag='[object AsyncFunction]',boolTag='[object Boolean]',dateTag='[object Date]',domExcTag='[object DOMException]',errorTag='[object Error]',funcTag='[object Function]',genTag='[object GeneratorFunction]',mapTag='[object Map]',numberTag='[object Number]',nullTag='[object Null]',objectTag='[object Object]',promiseTag='[object Promise]',proxyTag='[object Proxy]',regexpTag='[object RegExp]',setTag='[object Set]',stringTag='[object String]',symbolTag='[object Symbol]',undefinedTag='[object Undefined]',weakMapTag='[object WeakMap]',weakSetTag='[object WeakSet]';var arrayBufferTag='[object ArrayBuffer]',dataViewTag='[object DataView]',float32Tag='[object Float32Array]',float64Tag='[object Float64Array]',int8Tag='[object Int8Array]',int16Tag='[object Int16Array]',int32Tag='[object Int32Array]',uint8Tag='[object Uint8Array]',uint8ClampedTag='[object Uint8ClampedArray]',uint16Tag='[object Uint16Array]',uint32Tag='[object Uint32Array]';/** Used to match empty string literals in compiled template source. */var reEmptyStringLeading=/\b__p \+= '';/g,reEmptyStringMiddle=/\b(__p \+=) '' \+/g,reEmptyStringTrailing=/(__e\(.*?\)|\b__t\)) \+\n'';/g;/** Used to match HTML entities and HTML characters. */var reEscapedHtml=/&(?:amp|lt|gt|quot|#39);/g,reUnescapedHtml=/[&<>"']/g,reHasEscapedHtml=RegExp(reEscapedHtml.source),reHasUnescapedHtml=RegExp(reUnescapedHtml.source);/** Used to match template delimiters. */var reEscape=/<%-([\s\S]+?)%>/g,reEvaluate=/<%([\s\S]+?)%>/g,reInterpolate=/<%=([\s\S]+?)%>/g;/** Used to match property names within property paths. */var reIsDeepProp=/\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,reIsPlainProp=/^\w*$/,rePropName=/[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;/** + * Used to match `RegExp` + * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns). + */var reRegExpChar=/[\\^$.*+?()[\]{}|]/g,reHasRegExpChar=RegExp(reRegExpChar.source);/** Used to match leading whitespace. */var reTrimStart=/^\s+/;/** Used to match a single whitespace character. */var reWhitespace=/\s/;/** Used to match wrap detail comments. */var reWrapComment=/\{(?:\n\/\* \[wrapped with .+\] \*\/)?\n?/,reWrapDetails=/\{\n\/\* \[wrapped with (.+)\] \*/,reSplitDetails=/,? & /;/** Used to match words composed of alphanumeric characters. */var reAsciiWord=/[^\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]+/g;/** + * Used to validate the `validate` option in `_.template` variable. + * + * Forbids characters which could potentially change the meaning of the function argument definition: + * - "()," (modification of function parameters) + * - "=" (default value) + * - "[]{}" (destructuring of function parameters) + * - "/" (beginning of a comment) + * - whitespace + */var reForbiddenIdentifierChars=/[()=,{}\[\]\/\s]/;/** Used to match backslashes in property paths. */var reEscapeChar=/\\(\\)?/g;/** + * Used to match + * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components). + */var reEsTemplate=/\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g;/** Used to match `RegExp` flags from their coerced string values. */var reFlags=/\w*$/;/** Used to detect bad signed hexadecimal string values. */var reIsBadHex=/^[-+]0x[0-9a-f]+$/i;/** Used to detect binary string values. */var reIsBinary=/^0b[01]+$/i;/** Used to detect host constructors (Safari). */var reIsHostCtor=/^\[object .+?Constructor\]$/;/** Used to detect octal string values. */var reIsOctal=/^0o[0-7]+$/i;/** Used to detect unsigned integer values. */var reIsUint=/^(?:0|[1-9]\d*)$/;/** Used to match Latin Unicode letters (excluding mathematical operators). */var reLatin=/[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g;/** Used to ensure capturing order of template delimiters. */var reNoMatch=/($^)/;/** Used to match unescaped characters in compiled string literals. */var reUnescapedString=/['\n\r\u2028\u2029\\]/g;/** Used to compose unicode character classes. */var rsAstralRange='\\ud800-\\udfff',rsComboMarksRange='\\u0300-\\u036f',reComboHalfMarksRange='\\ufe20-\\ufe2f',rsComboSymbolsRange='\\u20d0-\\u20ff',rsComboRange=rsComboMarksRange+reComboHalfMarksRange+rsComboSymbolsRange,rsDingbatRange='\\u2700-\\u27bf',rsLowerRange='a-z\\xdf-\\xf6\\xf8-\\xff',rsMathOpRange='\\xac\\xb1\\xd7\\xf7',rsNonCharRange='\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\xbf',rsPunctuationRange='\\u2000-\\u206f',rsSpaceRange=' \\t\\x0b\\f\\xa0\\ufeff\\n\\r\\u2028\\u2029\\u1680\\u180e\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200a\\u202f\\u205f\\u3000',rsUpperRange='A-Z\\xc0-\\xd6\\xd8-\\xde',rsVarRange='\\ufe0e\\ufe0f',rsBreakRange=rsMathOpRange+rsNonCharRange+rsPunctuationRange+rsSpaceRange;/** Used to compose unicode capture groups. */var rsApos="['\u2019]",rsAstral='['+rsAstralRange+']',rsBreak='['+rsBreakRange+']',rsCombo='['+rsComboRange+']',rsDigits='\\d+',rsDingbat='['+rsDingbatRange+']',rsLower='['+rsLowerRange+']',rsMisc='[^'+rsAstralRange+rsBreakRange+rsDigits+rsDingbatRange+rsLowerRange+rsUpperRange+']',rsFitz='\\ud83c[\\udffb-\\udfff]',rsModifier='(?:'+rsCombo+'|'+rsFitz+')',rsNonAstral='[^'+rsAstralRange+']',rsRegional='(?:\\ud83c[\\udde6-\\uddff]){2}',rsSurrPair='[\\ud800-\\udbff][\\udc00-\\udfff]',rsUpper='['+rsUpperRange+']',rsZWJ='\\u200d';/** Used to compose unicode regexes. */var rsMiscLower='(?:'+rsLower+'|'+rsMisc+')',rsMiscUpper='(?:'+rsUpper+'|'+rsMisc+')',rsOptContrLower='(?:'+rsApos+'(?:d|ll|m|re|s|t|ve))?',rsOptContrUpper='(?:'+rsApos+'(?:D|LL|M|RE|S|T|VE))?',reOptMod=rsModifier+'?',rsOptVar='['+rsVarRange+']?',rsOptJoin='(?:'+rsZWJ+'(?:'+[rsNonAstral,rsRegional,rsSurrPair].join('|')+')'+rsOptVar+reOptMod+')*',rsOrdLower='\\d*(?:1st|2nd|3rd|(?![123])\\dth)(?=\\b|[A-Z_])',rsOrdUpper='\\d*(?:1ST|2ND|3RD|(?![123])\\dTH)(?=\\b|[a-z_])',rsSeq=rsOptVar+reOptMod+rsOptJoin,rsEmoji='(?:'+[rsDingbat,rsRegional,rsSurrPair].join('|')+')'+rsSeq,rsSymbol='(?:'+[rsNonAstral+rsCombo+'?',rsCombo,rsRegional,rsSurrPair,rsAstral].join('|')+')';/** Used to match apostrophes. */var reApos=RegExp(rsApos,'g');/** + * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and + * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols). + */var reComboMark=RegExp(rsCombo,'g');/** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */var reUnicode=RegExp(rsFitz+'(?='+rsFitz+')|'+rsSymbol+rsSeq,'g');/** Used to match complex or compound words. */var reUnicodeWord=RegExp([rsUpper+'?'+rsLower+'+'+rsOptContrLower+'(?='+[rsBreak,rsUpper,'$'].join('|')+')',rsMiscUpper+'+'+rsOptContrUpper+'(?='+[rsBreak,rsUpper+rsMiscLower,'$'].join('|')+')',rsUpper+'?'+rsMiscLower+'+'+rsOptContrLower,rsUpper+'+'+rsOptContrUpper,rsOrdUpper,rsOrdLower,rsDigits,rsEmoji].join('|'),'g');/** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */var reHasUnicode=RegExp('['+rsZWJ+rsAstralRange+rsComboRange+rsVarRange+']');/** Used to detect strings that need a more robust regexp to match words. */var reHasUnicodeWord=/[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;/** Used to assign default `context` object properties. */var contextProps=['Array','Buffer','DataView','Date','Error','Float32Array','Float64Array','Function','Int8Array','Int16Array','Int32Array','Map','Math','Object','Promise','RegExp','Set','String','Symbol','TypeError','Uint8Array','Uint8ClampedArray','Uint16Array','Uint32Array','WeakMap','_','clearTimeout','isFinite','parseInt','setTimeout'];/** Used to make template sourceURLs easier to identify. */var templateCounter=-1;/** Used to identify `toStringTag` values of typed arrays. */var typedArrayTags={};typedArrayTags[float32Tag]=typedArrayTags[float64Tag]=typedArrayTags[int8Tag]=typedArrayTags[int16Tag]=typedArrayTags[int32Tag]=typedArrayTags[uint8Tag]=typedArrayTags[uint8ClampedTag]=typedArrayTags[uint16Tag]=typedArrayTags[uint32Tag]=true;typedArrayTags[argsTag]=typedArrayTags[arrayTag]=typedArrayTags[arrayBufferTag]=typedArrayTags[boolTag]=typedArrayTags[dataViewTag]=typedArrayTags[dateTag]=typedArrayTags[errorTag]=typedArrayTags[funcTag]=typedArrayTags[mapTag]=typedArrayTags[numberTag]=typedArrayTags[objectTag]=typedArrayTags[regexpTag]=typedArrayTags[setTag]=typedArrayTags[stringTag]=typedArrayTags[weakMapTag]=false;/** Used to identify `toStringTag` values supported by `_.clone`. */var cloneableTags={};cloneableTags[argsTag]=cloneableTags[arrayTag]=cloneableTags[arrayBufferTag]=cloneableTags[dataViewTag]=cloneableTags[boolTag]=cloneableTags[dateTag]=cloneableTags[float32Tag]=cloneableTags[float64Tag]=cloneableTags[int8Tag]=cloneableTags[int16Tag]=cloneableTags[int32Tag]=cloneableTags[mapTag]=cloneableTags[numberTag]=cloneableTags[objectTag]=cloneableTags[regexpTag]=cloneableTags[setTag]=cloneableTags[stringTag]=cloneableTags[symbolTag]=cloneableTags[uint8Tag]=cloneableTags[uint8ClampedTag]=cloneableTags[uint16Tag]=cloneableTags[uint32Tag]=true;cloneableTags[errorTag]=cloneableTags[funcTag]=cloneableTags[weakMapTag]=false;/** Used to map Latin Unicode letters to basic Latin letters. */var deburredLetters={// Latin-1 Supplement block. +'\xc0':'A','\xc1':'A','\xc2':'A','\xc3':'A','\xc4':'A','\xc5':'A','\xe0':'a','\xe1':'a','\xe2':'a','\xe3':'a','\xe4':'a','\xe5':'a','\xc7':'C','\xe7':'c','\xd0':'D','\xf0':'d','\xc8':'E','\xc9':'E','\xca':'E','\xcb':'E','\xe8':'e','\xe9':'e','\xea':'e','\xeb':'e','\xcc':'I','\xcd':'I','\xce':'I','\xcf':'I','\xec':'i','\xed':'i','\xee':'i','\xef':'i','\xd1':'N','\xf1':'n','\xd2':'O','\xd3':'O','\xd4':'O','\xd5':'O','\xd6':'O','\xd8':'O','\xf2':'o','\xf3':'o','\xf4':'o','\xf5':'o','\xf6':'o','\xf8':'o','\xd9':'U','\xda':'U','\xdb':'U','\xdc':'U','\xf9':'u','\xfa':'u','\xfb':'u','\xfc':'u','\xdd':'Y','\xfd':'y','\xff':'y','\xc6':'Ae','\xe6':'ae','\xde':'Th','\xfe':'th','\xdf':'ss',// Latin Extended-A block. +'\u0100':'A','\u0102':'A','\u0104':'A','\u0101':'a','\u0103':'a','\u0105':'a','\u0106':'C','\u0108':'C','\u010a':'C','\u010c':'C','\u0107':'c','\u0109':'c','\u010b':'c','\u010d':'c','\u010e':'D','\u0110':'D','\u010f':'d','\u0111':'d','\u0112':'E','\u0114':'E','\u0116':'E','\u0118':'E','\u011a':'E','\u0113':'e','\u0115':'e','\u0117':'e','\u0119':'e','\u011b':'e','\u011c':'G','\u011e':'G','\u0120':'G','\u0122':'G','\u011d':'g','\u011f':'g','\u0121':'g','\u0123':'g','\u0124':'H','\u0126':'H','\u0125':'h','\u0127':'h','\u0128':'I','\u012a':'I','\u012c':'I','\u012e':'I','\u0130':'I','\u0129':'i','\u012b':'i','\u012d':'i','\u012f':'i','\u0131':'i','\u0134':'J','\u0135':'j','\u0136':'K','\u0137':'k','\u0138':'k','\u0139':'L','\u013b':'L','\u013d':'L','\u013f':'L','\u0141':'L','\u013a':'l','\u013c':'l','\u013e':'l','\u0140':'l','\u0142':'l','\u0143':'N','\u0145':'N','\u0147':'N','\u014a':'N','\u0144':'n','\u0146':'n','\u0148':'n','\u014b':'n','\u014c':'O','\u014e':'O','\u0150':'O','\u014d':'o','\u014f':'o','\u0151':'o','\u0154':'R','\u0156':'R','\u0158':'R','\u0155':'r','\u0157':'r','\u0159':'r','\u015a':'S','\u015c':'S','\u015e':'S','\u0160':'S','\u015b':'s','\u015d':'s','\u015f':'s','\u0161':'s','\u0162':'T','\u0164':'T','\u0166':'T','\u0163':'t','\u0165':'t','\u0167':'t','\u0168':'U','\u016a':'U','\u016c':'U','\u016e':'U','\u0170':'U','\u0172':'U','\u0169':'u','\u016b':'u','\u016d':'u','\u016f':'u','\u0171':'u','\u0173':'u','\u0174':'W','\u0175':'w','\u0176':'Y','\u0177':'y','\u0178':'Y','\u0179':'Z','\u017b':'Z','\u017d':'Z','\u017a':'z','\u017c':'z','\u017e':'z','\u0132':'IJ','\u0133':'ij','\u0152':'Oe','\u0153':'oe','\u0149':"'n",'\u017f':'s'};/** Used to map characters to HTML entities. */var htmlEscapes={'&':'&','<':'<','>':'>','"':'"',"'":'''};/** Used to map HTML entities to characters. */var htmlUnescapes={'&':'&','<':'<','>':'>','"':'"',''':"'"};/** Used to escape characters for inclusion in compiled string literals. */var stringEscapes={'\\':'\\',"'":"'",'\n':'n','\r':'r','\u2028':'u2028','\u2029':'u2029'};/** Built-in method references without a dependency on `root`. */var freeParseFloat=parseFloat,freeParseInt=parseInt;/** Detect free variable `global` from Node.js. */var freeGlobal=typeof global=='object'&&global&&global.Object===Object&&global;/** Detect free variable `self`. */var freeSelf=typeof self=='object'&&self&&self.Object===Object&&self;/** Used as a reference to the global object. */var root=freeGlobal||freeSelf||Function('return this')();/** Detect free variable `exports`. */var freeExports=typeof exports=='object'&&exports&&!exports.nodeType&&exports;/** Detect free variable `module`. */var freeModule=freeExports&&typeof module=='object'&&module&&!module.nodeType&&module;/** Detect the popular CommonJS extension `module.exports`. */var moduleExports=freeModule&&freeModule.exports===freeExports;/** Detect free variable `process` from Node.js. */var freeProcess=moduleExports&&freeGlobal.process;/** Used to access faster Node.js helpers. */var nodeUtil=function(){try{// Use `util.types` for Node.js 10+. +var types=freeModule&&freeModule.require&&freeModule.require('util').types;if(types){return types;}// Legacy `process.binding('util')` for Node.js < 10. +return freeProcess&&freeProcess.binding&&freeProcess.binding('util');}catch(e){}}();/* Node.js helper references. */var nodeIsArrayBuffer=nodeUtil&&nodeUtil.isArrayBuffer,nodeIsDate=nodeUtil&&nodeUtil.isDate,nodeIsMap=nodeUtil&&nodeUtil.isMap,nodeIsRegExp=nodeUtil&&nodeUtil.isRegExp,nodeIsSet=nodeUtil&&nodeUtil.isSet,nodeIsTypedArray=nodeUtil&&nodeUtil.isTypedArray;/*--------------------------------------------------------------------------*/ /** + * A faster alternative to `Function#apply`, this function invokes `func` + * with the `this` binding of `thisArg` and the arguments of `args`. + * + * @private + * @param {Function} func The function to invoke. + * @param {*} thisArg The `this` binding of `func`. + * @param {Array} args The arguments to invoke `func` with. + * @returns {*} Returns the result of `func`. + */function apply(func,thisArg,args){switch(args.length){case 0:return func.call(thisArg);case 1:return func.call(thisArg,args[0]);case 2:return func.call(thisArg,args[0],args[1]);case 3:return func.call(thisArg,args[0],args[1],args[2]);}return func.apply(thisArg,args);}/** + * A specialized version of `baseAggregator` for arrays. + * + * @private + * @param {Array} [array] The array to iterate over. + * @param {Function} setter The function to set `accumulator` values. + * @param {Function} iteratee The iteratee to transform keys. + * @param {Object} accumulator The initial aggregated object. + * @returns {Function} Returns `accumulator`. + */function arrayAggregator(array,setter,iteratee,accumulator){var index=-1,length=array==null?0:array.length;while(++index-1;}/** + * This function is like `arrayIncludes` except that it accepts a comparator. + * + * @private + * @param {Array} [array] The array to inspect. + * @param {*} target The value to search for. + * @param {Function} comparator The comparator invoked per element. + * @returns {boolean} Returns `true` if `target` is found, else `false`. + */function arrayIncludesWith(array,value,comparator){var index=-1,length=array==null?0:array.length;while(++index-1){}return index;}/** + * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol + * that is not found in the character symbols. + * + * @private + * @param {Array} strSymbols The string symbols to inspect. + * @param {Array} chrSymbols The character symbols to find. + * @returns {number} Returns the index of the last unmatched string symbol. + */function charsEndIndex(strSymbols,chrSymbols){var index=strSymbols.length;while(index--&&baseIndexOf(chrSymbols,strSymbols[index],0)>-1){}return index;}/** + * Gets the number of `placeholder` occurrences in `array`. + * + * @private + * @param {Array} array The array to inspect. + * @param {*} placeholder The placeholder to search for. + * @returns {number} Returns the placeholder count. + */function countHolders(array,placeholder){var length=array.length,result=0;while(length--){if(array[length]===placeholder){++result;}}return result;}/** + * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A + * letters to basic Latin letters. + * + * @private + * @param {string} letter The matched letter to deburr. + * @returns {string} Returns the deburred letter. + */var deburrLetter=basePropertyOf(deburredLetters);/** + * Used by `_.escape` to convert characters to HTML entities. + * + * @private + * @param {string} chr The matched character to escape. + * @returns {string} Returns the escaped character. + */var escapeHtmlChar=basePropertyOf(htmlEscapes);/** + * Used by `_.template` to escape characters for inclusion in compiled string literals. + * + * @private + * @param {string} chr The matched character to escape. + * @returns {string} Returns the escaped character. + */function escapeStringChar(chr){return'\\'+stringEscapes[chr];}/** + * Gets the value at `key` of `object`. + * + * @private + * @param {Object} [object] The object to query. + * @param {string} key The key of the property to get. + * @returns {*} Returns the property value. + */function getValue(object,key){return object==null?undefined:object[key];}/** + * Checks if `string` contains Unicode symbols. + * + * @private + * @param {string} string The string to inspect. + * @returns {boolean} Returns `true` if a symbol is found, else `false`. + */function hasUnicode(string){return reHasUnicode.test(string);}/** + * Checks if `string` contains a word composed of Unicode symbols. + * + * @private + * @param {string} string The string to inspect. + * @returns {boolean} Returns `true` if a word is found, else `false`. + */function hasUnicodeWord(string){return reHasUnicodeWord.test(string);}/** + * Converts `iterator` to an array. + * + * @private + * @param {Object} iterator The iterator to convert. + * @returns {Array} Returns the converted array. + */function iteratorToArray(iterator){var data,result=[];while(!(data=iterator.next()).done){result.push(data.value);}return result;}/** + * Converts `map` to its key-value pairs. + * + * @private + * @param {Object} map The map to convert. + * @returns {Array} Returns the key-value pairs. + */function mapToArray(map){var index=-1,result=Array(map.size);map.forEach(function(value,key){result[++index]=[key,value];});return result;}/** + * Creates a unary function that invokes `func` with its argument transformed. + * + * @private + * @param {Function} func The function to wrap. + * @param {Function} transform The argument transform. + * @returns {Function} Returns the new function. + */function overArg(func,transform){return function(arg){return func(transform(arg));};}/** + * Replaces all `placeholder` elements in `array` with an internal placeholder + * and returns an array of their indexes. + * + * @private + * @param {Array} array The array to modify. + * @param {*} placeholder The placeholder to replace. + * @returns {Array} Returns the new array of placeholder indexes. + */function replaceHolders(array,placeholder){var index=-1,length=array.length,resIndex=0,result=[];while(++index true + * _.isFunction(_.bar); + * // => false + * + * lodash.isFunction(lodash.foo); + * // => false + * lodash.isFunction(lodash.bar); + * // => true + * + * // Create a suped-up `defer` in Node.js. + * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer; + */var runInContext=function runInContext(context){context=context==null?root:_.defaults(root.Object(),context,_.pick(root,contextProps));/** Built-in constructor references. */var Array=context.Array,Date=context.Date,Error=context.Error,Function=context.Function,Math=context.Math,Object=context.Object,RegExp=context.RegExp,String=context.String,TypeError=context.TypeError;/** Used for built-in method references. */var arrayProto=Array.prototype,funcProto=Function.prototype,objectProto=Object.prototype;/** Used to detect overreaching core-js shims. */var coreJsData=context['__core-js_shared__'];/** Used to resolve the decompiled source of functions. */var funcToString=funcProto.toString;/** Used to check objects for own properties. */var hasOwnProperty=objectProto.hasOwnProperty;/** Used to generate unique IDs. */var idCounter=0;/** Used to detect methods masquerading as native. */var maskSrcKey=function(){var uid=/[^.]+$/.exec(coreJsData&&coreJsData.keys&&coreJsData.keys.IE_PROTO||'');return uid?'Symbol(src)_1.'+uid:'';}();/** + * Used to resolve the + * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring) + * of values. + */var nativeObjectToString=objectProto.toString;/** Used to infer the `Object` constructor. */var objectCtorString=funcToString.call(Object);/** Used to restore the original `_` reference in `_.noConflict`. */var oldDash=root._;/** Used to detect if a method is native. */var reIsNative=RegExp('^'+funcToString.call(hasOwnProperty).replace(reRegExpChar,'\\$&').replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g,'$1.*?')+'$');/** Built-in value references. */var Buffer=moduleExports?context.Buffer:undefined,Symbol=context.Symbol,Uint8Array=context.Uint8Array,allocUnsafe=Buffer?Buffer.allocUnsafe:undefined,getPrototype=overArg(Object.getPrototypeOf,Object),objectCreate=Object.create,propertyIsEnumerable=objectProto.propertyIsEnumerable,splice=arrayProto.splice,spreadableSymbol=Symbol?Symbol.isConcatSpreadable:undefined,symIterator=Symbol?Symbol.iterator:undefined,symToStringTag=Symbol?Symbol.toStringTag:undefined;var defineProperty=function(){try{var func=getNative(Object,'defineProperty');func({},'',{});return func;}catch(e){}}();/** Mocked built-ins. */var ctxClearTimeout=context.clearTimeout!==root.clearTimeout&&context.clearTimeout,ctxNow=Date&&Date.now!==root.Date.now&&Date.now,ctxSetTimeout=context.setTimeout!==root.setTimeout&&context.setTimeout;/* Built-in method references for those with the same name as other `lodash` methods. */var nativeCeil=Math.ceil,nativeFloor=Math.floor,nativeGetSymbols=Object.getOwnPropertySymbols,nativeIsBuffer=Buffer?Buffer.isBuffer:undefined,nativeIsFinite=context.isFinite,nativeJoin=arrayProto.join,nativeKeys=overArg(Object.keys,Object),nativeMax=Math.max,nativeMin=Math.min,nativeNow=Date.now,nativeParseInt=context.parseInt,nativeRandom=Math.random,nativeReverse=arrayProto.reverse;/* Built-in method references that are verified to be native. */var DataView=getNative(context,'DataView'),Map=getNative(context,'Map'),Promise=getNative(context,'Promise'),Set=getNative(context,'Set'),WeakMap=getNative(context,'WeakMap'),nativeCreate=getNative(Object,'create');/** Used to store function metadata. */var metaMap=WeakMap&&new WeakMap();/** Used to lookup unminified function names. */var realNames={};/** Used to detect maps, sets, and weakmaps. */var dataViewCtorString=toSource(DataView),mapCtorString=toSource(Map),promiseCtorString=toSource(Promise),setCtorString=toSource(Set),weakMapCtorString=toSource(WeakMap);/** Used to convert symbols to primitives and strings. */var symbolProto=Symbol?Symbol.prototype:undefined,symbolValueOf=symbolProto?symbolProto.valueOf:undefined,symbolToString=symbolProto?symbolProto.toString:undefined;/*------------------------------------------------------------------------*/ /** + * Creates a `lodash` object which wraps `value` to enable implicit method + * chain sequences. Methods that operate on and return arrays, collections, + * and functions can be chained together. Methods that retrieve a single value + * or may return a primitive value will automatically end the chain sequence + * and return the unwrapped value. Otherwise, the value must be unwrapped + * with `_#value`. + * + * Explicit chain sequences, which must be unwrapped with `_#value`, may be + * enabled using `_.chain`. + * + * The execution of chained methods is lazy, that is, it's deferred until + * `_#value` is implicitly or explicitly called. + * + * Lazy evaluation allows several methods to support shortcut fusion. + * Shortcut fusion is an optimization to merge iteratee calls; this avoids + * the creation of intermediate arrays and can greatly reduce the number of + * iteratee executions. Sections of a chain sequence qualify for shortcut + * fusion if the section is applied to an array and iteratees accept only + * one argument. The heuristic for whether a section qualifies for shortcut + * fusion is subject to change. + * + * Chaining is supported in custom builds as long as the `_#value` method is + * directly or indirectly included in the build. + * + * In addition to lodash methods, wrappers have `Array` and `String` methods. + * + * The wrapper `Array` methods are: + * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift` + * + * The wrapper `String` methods are: + * `replace` and `split` + * + * The wrapper methods that support shortcut fusion are: + * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`, + * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`, + * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray` + * + * The chainable wrapper methods are: + * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`, + * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`, + * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`, + * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`, + * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`, + * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`, + * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`, + * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`, + * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`, + * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`, + * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`, + * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`, + * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`, + * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`, + * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`, + * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`, + * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`, + * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`, + * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`, + * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`, + * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`, + * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`, + * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`, + * `zipObject`, `zipObjectDeep`, and `zipWith` + * + * The wrapper methods that are **not** chainable by default are: + * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`, + * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`, + * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`, + * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`, + * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`, + * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`, + * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`, + * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`, + * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`, + * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`, + * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`, + * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`, + * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`, + * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`, + * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`, + * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`, + * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`, + * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`, + * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`, + * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`, + * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`, + * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`, + * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`, + * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`, + * `upperFirst`, `value`, and `words` + * + * @name _ + * @constructor + * @category Seq + * @param {*} value The value to wrap in a `lodash` instance. + * @returns {Object} Returns the new `lodash` wrapper instance. + * @example + * + * function square(n) { + * return n * n; + * } + * + * var wrapped = _([1, 2, 3]); + * + * // Returns an unwrapped value. + * wrapped.reduce(_.add); + * // => 6 + * + * // Returns a wrapped value. + * var squares = wrapped.map(square); + * + * _.isArray(squares); + * // => false + * + * _.isArray(squares.value()); + * // => true + */function lodash(value){if(isObjectLike(value)&&!isArray(value)&&!(value instanceof LazyWrapper)){if(value instanceof LodashWrapper){return value;}if(hasOwnProperty.call(value,'__wrapped__')){return wrapperClone(value);}}return new LodashWrapper(value);}/** + * The base implementation of `_.create` without support for assigning + * properties to the created object. + * + * @private + * @param {Object} proto The object to inherit from. + * @returns {Object} Returns the new object. + */var baseCreate=function(){function object(){}return function(proto){if(!isObject(proto)){return{};}if(objectCreate){return objectCreate(proto);}object.prototype=proto;var result=new object();object.prototype=undefined;return result;};}();/** + * The function whose prototype chain sequence wrappers inherit from. + * + * @private + */function baseLodash(){// No operation performed. +}/** + * The base constructor for creating `lodash` wrapper objects. + * + * @private + * @param {*} value The value to wrap. + * @param {boolean} [chainAll] Enable explicit method chain sequences. + */function LodashWrapper(value,chainAll){this.__wrapped__=value;this.__actions__=[];this.__chain__=!!chainAll;this.__index__=0;this.__values__=undefined;}/** + * By default, the template delimiters used by lodash are like those in + * embedded Ruby (ERB) as well as ES2015 template strings. Change the + * following template settings to use alternative delimiters. + * + * @static + * @memberOf _ + * @type {Object} + */lodash.templateSettings={/** + * Used to detect `data` property values to be HTML-escaped. + * + * @memberOf _.templateSettings + * @type {RegExp} + */'escape':reEscape,/** + * Used to detect code to be evaluated. + * + * @memberOf _.templateSettings + * @type {RegExp} + */'evaluate':reEvaluate,/** + * Used to detect `data` property values to inject. + * + * @memberOf _.templateSettings + * @type {RegExp} + */'interpolate':reInterpolate,/** + * Used to reference the data object in the template text. + * + * @memberOf _.templateSettings + * @type {string} + */'variable':'',/** + * Used to import variables into the compiled template. + * + * @memberOf _.templateSettings + * @type {Object} + */'imports':{/** + * A reference to the `lodash` function. + * + * @memberOf _.templateSettings.imports + * @type {Function} + */'_':lodash}};// Ensure wrappers are instances of `baseLodash`. +lodash.prototype=baseLodash.prototype;lodash.prototype.constructor=lodash;LodashWrapper.prototype=baseCreate(baseLodash.prototype);LodashWrapper.prototype.constructor=LodashWrapper;/*------------------------------------------------------------------------*/ /** + * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation. + * + * @private + * @constructor + * @param {*} value The value to wrap. + */function LazyWrapper(value){this.__wrapped__=value;this.__actions__=[];this.__dir__=1;this.__filtered__=false;this.__iteratees__=[];this.__takeCount__=MAX_ARRAY_LENGTH;this.__views__=[];}/** + * Creates a clone of the lazy wrapper object. + * + * @private + * @name clone + * @memberOf LazyWrapper + * @returns {Object} Returns the cloned `LazyWrapper` object. + */function lazyClone(){var result=new LazyWrapper(this.__wrapped__);result.__actions__=copyArray(this.__actions__);result.__dir__=this.__dir__;result.__filtered__=this.__filtered__;result.__iteratees__=copyArray(this.__iteratees__);result.__takeCount__=this.__takeCount__;result.__views__=copyArray(this.__views__);return result;}/** + * Reverses the direction of lazy iteration. + * + * @private + * @name reverse + * @memberOf LazyWrapper + * @returns {Object} Returns the new reversed `LazyWrapper` object. + */function lazyReverse(){if(this.__filtered__){var result=new LazyWrapper(this);result.__dir__=-1;result.__filtered__=true;}else{result=this.clone();result.__dir__*=-1;}return result;}/** + * Extracts the unwrapped value from its lazy wrapper. + * + * @private + * @name value + * @memberOf LazyWrapper + * @returns {*} Returns the unwrapped value. + */function lazyValue(){var array=this.__wrapped__.value(),dir=this.__dir__,isArr=isArray(array),isRight=dir<0,arrLength=isArr?array.length:0,view=getView(0,arrLength,this.__views__),start=view.start,end=view.end,length=end-start,index=isRight?end:start-1,iteratees=this.__iteratees__,iterLength=iteratees.length,resIndex=0,takeCount=nativeMin(length,this.__takeCount__);if(!isArr||!isRight&&arrLength==length&&takeCount==length){return baseWrapperValue(array,this.__actions__);}var result=[];outer:while(length--&&resIndex-1;}/** + * Sets the list cache `key` to `value`. + * + * @private + * @name set + * @memberOf ListCache + * @param {string} key The key of the value to set. + * @param {*} value The value to set. + * @returns {Object} Returns the list cache instance. + */function listCacheSet(key,value){var data=this.__data__,index=assocIndexOf(data,key);if(index<0){++this.size;data.push([key,value]);}else{data[index][1]=value;}return this;}// Add methods to `ListCache`. +ListCache.prototype.clear=listCacheClear;ListCache.prototype['delete']=listCacheDelete;ListCache.prototype.get=listCacheGet;ListCache.prototype.has=listCacheHas;ListCache.prototype.set=listCacheSet;/*------------------------------------------------------------------------*/ /** + * Creates a map cache object to store key-value pairs. + * + * @private + * @constructor + * @param {Array} [entries] The key-value pairs to cache. + */function MapCache(entries){var index=-1,length=entries==null?0:entries.length;this.clear();while(++index=lower?number:lower;}}return number;}/** + * The base implementation of `_.clone` and `_.cloneDeep` which tracks + * traversed objects. + * + * @private + * @param {*} value The value to clone. + * @param {boolean} bitmask The bitmask flags. + * 1 - Deep clone + * 2 - Flatten inherited properties + * 4 - Clone symbols + * @param {Function} [customizer] The function to customize cloning. + * @param {string} [key] The key of `value`. + * @param {Object} [object] The parent object of `value`. + * @param {Object} [stack] Tracks traversed objects and their clone counterparts. + * @returns {*} Returns the cloned value. + */function baseClone(value,bitmask,customizer,key,object,stack){var result,isDeep=bitmask&CLONE_DEEP_FLAG,isFlat=bitmask&CLONE_FLAT_FLAG,isFull=bitmask&CLONE_SYMBOLS_FLAG;if(customizer){result=object?customizer(value,key,object,stack):customizer(value);}if(result!==undefined){return result;}if(!isObject(value)){return value;}var isArr=isArray(value);if(isArr){result=initCloneArray(value);if(!isDeep){return copyArray(value,result);}}else{var tag=getTag(value),isFunc=tag==funcTag||tag==genTag;if(isBuffer(value)){return cloneBuffer(value,isDeep);}if(tag==objectTag||tag==argsTag||isFunc&&!object){result=isFlat||isFunc?{}:initCloneObject(value);if(!isDeep){return isFlat?copySymbolsIn(value,baseAssignIn(result,value)):copySymbols(value,baseAssign(result,value));}}else{if(!cloneableTags[tag]){return object?value:{};}result=initCloneByTag(value,tag,isDeep);}}// Check for circular references and return its corresponding clone. +stack||(stack=new Stack());var stacked=stack.get(value);if(stacked){return stacked;}stack.set(value,result);if(isSet(value)){value.forEach(function(subValue){result.add(baseClone(subValue,bitmask,customizer,subValue,value,stack));});}else if(isMap(value)){value.forEach(function(subValue,key){result.set(key,baseClone(subValue,bitmask,customizer,key,value,stack));});}var keysFunc=isFull?isFlat?getAllKeysIn:getAllKeys:isFlat?keysIn:keys;var props=isArr?undefined:keysFunc(value);arrayEach(props||value,function(subValue,key){if(props){key=subValue;subValue=value[key];}// Recursively populate clone (susceptible to call stack limits). +assignValue(result,key,baseClone(subValue,bitmask,customizer,key,value,stack));});return result;}/** + * The base implementation of `_.conforms` which doesn't clone `source`. + * + * @private + * @param {Object} source The object of property predicates to conform to. + * @returns {Function} Returns the new spec function. + */function baseConforms(source){var props=keys(source);return function(object){return baseConformsTo(object,source,props);};}/** + * The base implementation of `_.conformsTo` which accepts `props` to check. + * + * @private + * @param {Object} object The object to inspect. + * @param {Object} source The object of property predicates to conform to. + * @returns {boolean} Returns `true` if `object` conforms, else `false`. + */function baseConformsTo(object,source,props){var length=props.length;if(object==null){return!length;}object=Object(object);while(length--){var key=props[length],predicate=source[key],value=object[key];if(value===undefined&&!(key in object)||!predicate(value)){return false;}}return true;}/** + * The base implementation of `_.delay` and `_.defer` which accepts `args` + * to provide to `func`. + * + * @private + * @param {Function} func The function to delay. + * @param {number} wait The number of milliseconds to delay invocation. + * @param {Array} args The arguments to provide to `func`. + * @returns {number|Object} Returns the timer id or timeout object. + */function baseDelay(func,wait,args){if(typeof func!='function'){throw new TypeError(FUNC_ERROR_TEXT);}return setTimeout(function(){func.apply(undefined,args);},wait);}/** + * The base implementation of methods like `_.difference` without support + * for excluding multiple arrays or iteratee shorthands. + * + * @private + * @param {Array} array The array to inspect. + * @param {Array} values The values to exclude. + * @param {Function} [iteratee] The iteratee invoked per element. + * @param {Function} [comparator] The comparator invoked per element. + * @returns {Array} Returns the new array of filtered values. + */function baseDifference(array,values,iteratee,comparator){var index=-1,includes=arrayIncludes,isCommon=true,length=array.length,result=[],valuesLength=values.length;if(!length){return result;}if(iteratee){values=arrayMap(values,baseUnary(iteratee));}if(comparator){includes=arrayIncludesWith;isCommon=false;}else if(values.length>=LARGE_ARRAY_SIZE){includes=cacheHas;isCommon=false;values=new SetCache(values);}outer:while(++indexlength?0:length+start;}end=end===undefined||end>length?length:toInteger(end);if(end<0){end+=length;}end=start>end?0:toLength(end);while(start0&&predicate(value)){if(depth>1){// Recursively flatten arrays (susceptible to call stack limits). +baseFlatten(value,depth-1,predicate,isStrict,result);}else{arrayPush(result,value);}}else if(!isStrict){result[result.length]=value;}}return result;}/** + * The base implementation of `baseForOwn` which iterates over `object` + * properties returned by `keysFunc` and invokes `iteratee` for each property. + * Iteratee functions may exit iteration early by explicitly returning `false`. + * + * @private + * @param {Object} object The object to iterate over. + * @param {Function} iteratee The function invoked per iteration. + * @param {Function} keysFunc The function to get the keys of `object`. + * @returns {Object} Returns `object`. + */var baseFor=createBaseFor();/** + * This function is like `baseFor` except that it iterates over properties + * in the opposite order. + * + * @private + * @param {Object} object The object to iterate over. + * @param {Function} iteratee The function invoked per iteration. + * @param {Function} keysFunc The function to get the keys of `object`. + * @returns {Object} Returns `object`. + */var baseForRight=createBaseFor(true);/** + * The base implementation of `_.forOwn` without support for iteratee shorthands. + * + * @private + * @param {Object} object The object to iterate over. + * @param {Function} iteratee The function invoked per iteration. + * @returns {Object} Returns `object`. + */function baseForOwn(object,iteratee){return object&&baseFor(object,iteratee,keys);}/** + * The base implementation of `_.forOwnRight` without support for iteratee shorthands. + * + * @private + * @param {Object} object The object to iterate over. + * @param {Function} iteratee The function invoked per iteration. + * @returns {Object} Returns `object`. + */function baseForOwnRight(object,iteratee){return object&&baseForRight(object,iteratee,keys);}/** + * The base implementation of `_.functions` which creates an array of + * `object` function property names filtered from `props`. + * + * @private + * @param {Object} object The object to inspect. + * @param {Array} props The property names to filter. + * @returns {Array} Returns the function names. + */function baseFunctions(object,props){return arrayFilter(props,function(key){return isFunction(object[key]);});}/** + * The base implementation of `_.get` without support for default values. + * + * @private + * @param {Object} object The object to query. + * @param {Array|string} path The path of the property to get. + * @returns {*} Returns the resolved value. + */function baseGet(object,path){path=castPath(path,object);var index=0,length=path.length;while(object!=null&&indexother;}/** + * The base implementation of `_.has` without support for deep paths. + * + * @private + * @param {Object} [object] The object to query. + * @param {Array|string} key The key to check. + * @returns {boolean} Returns `true` if `key` exists, else `false`. + */function baseHas(object,key){return object!=null&&hasOwnProperty.call(object,key);}/** + * The base implementation of `_.hasIn` without support for deep paths. + * + * @private + * @param {Object} [object] The object to query. + * @param {Array|string} key The key to check. + * @returns {boolean} Returns `true` if `key` exists, else `false`. + */function baseHasIn(object,key){return object!=null&&key in Object(object);}/** + * The base implementation of `_.inRange` which doesn't coerce arguments. + * + * @private + * @param {number} number The number to check. + * @param {number} start The start of the range. + * @param {number} end The end of the range. + * @returns {boolean} Returns `true` if `number` is in the range, else `false`. + */function baseInRange(number,start,end){return number>=nativeMin(start,end)&&number=120&&array.length>=120)?new SetCache(othIndex&&array):undefined;}array=arrays[0];var index=-1,seen=caches[0];outer:while(++index-1){if(seen!==array){splice.call(seen,fromIndex,1);}splice.call(array,fromIndex,1);}}return array;}/** + * The base implementation of `_.pullAt` without support for individual + * indexes or capturing the removed elements. + * + * @private + * @param {Array} array The array to modify. + * @param {number[]} indexes The indexes of elements to remove. + * @returns {Array} Returns `array`. + */function basePullAt(array,indexes){var length=array?indexes.length:0,lastIndex=length-1;while(length--){var index=indexes[length];if(length==lastIndex||index!==previous){var previous=index;if(isIndex(index)){splice.call(array,index,1);}else{baseUnset(array,index);}}}return array;}/** + * The base implementation of `_.random` without support for returning + * floating-point numbers. + * + * @private + * @param {number} lower The lower bound. + * @param {number} upper The upper bound. + * @returns {number} Returns the random number. + */function baseRandom(lower,upper){return lower+nativeFloor(nativeRandom()*(upper-lower+1));}/** + * The base implementation of `_.range` and `_.rangeRight` which doesn't + * coerce arguments. + * + * @private + * @param {number} start The start of the range. + * @param {number} end The end of the range. + * @param {number} step The value to increment or decrement by. + * @param {boolean} [fromRight] Specify iterating from right to left. + * @returns {Array} Returns the range of numbers. + */function baseRange(start,end,step,fromRight){var index=-1,length=nativeMax(nativeCeil((end-start)/(step||1)),0),result=Array(length);while(length--){result[fromRight?length:++index]=start;start+=step;}return result;}/** + * The base implementation of `_.repeat` which doesn't coerce arguments. + * + * @private + * @param {string} string The string to repeat. + * @param {number} n The number of times to repeat the string. + * @returns {string} Returns the repeated string. + */function baseRepeat(string,n){var result='';if(!string||n<1||n>MAX_SAFE_INTEGER){return result;}// Leverage the exponentiation by squaring algorithm for a faster repeat. +// See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details. +do{if(n%2){result+=string;}n=nativeFloor(n/2);if(n){string+=string;}}while(n);return result;}/** + * The base implementation of `_.rest` which doesn't validate or coerce arguments. + * + * @private + * @param {Function} func The function to apply a rest parameter to. + * @param {number} [start=func.length-1] The start position of the rest parameter. + * @returns {Function} Returns the new function. + */function baseRest(func,start){return setToString(overRest(func,start,identity),func+'');}/** + * The base implementation of `_.sample`. + * + * @private + * @param {Array|Object} collection The collection to sample. + * @returns {*} Returns the random element. + */function baseSample(collection){return arraySample(values(collection));}/** + * The base implementation of `_.sampleSize` without param guards. + * + * @private + * @param {Array|Object} collection The collection to sample. + * @param {number} n The number of elements to sample. + * @returns {Array} Returns the random elements. + */function baseSampleSize(collection,n){var array=values(collection);return shuffleSelf(array,baseClamp(n,0,array.length));}/** + * The base implementation of `_.set`. + * + * @private + * @param {Object} object The object to modify. + * @param {Array|string} path The path of the property to set. + * @param {*} value The value to set. + * @param {Function} [customizer] The function to customize path creation. + * @returns {Object} Returns `object`. + */function baseSet(object,path,value,customizer){if(!isObject(object)){return object;}path=castPath(path,object);var index=-1,length=path.length,lastIndex=length-1,nested=object;while(nested!=null&&++indexlength?0:length+start;}end=end>length?length:end;if(end<0){end+=length;}length=start>end?0:end-start>>>0;start>>>=0;var result=Array(length);while(++index>>1,computed=array[mid];if(computed!==null&&!isSymbol(computed)&&(retHighest?computed<=value:computed=LARGE_ARRAY_SIZE){var set=iteratee?null:createSet(array);if(set){return setToArray(set);}isCommon=false;includes=cacheHas;seen=new SetCache();}else{seen=iteratee?[]:result;}outer:while(++index=length?array:baseSlice(array,start,end);}/** + * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout). + * + * @private + * @param {number|Object} id The timer id or timeout object of the timer to clear. + */var clearTimeout=ctxClearTimeout||function(id){return root.clearTimeout(id);};/** + * Creates a clone of `buffer`. + * + * @private + * @param {Buffer} buffer The buffer to clone. + * @param {boolean} [isDeep] Specify a deep clone. + * @returns {Buffer} Returns the cloned buffer. + */function cloneBuffer(buffer,isDeep){if(isDeep){return buffer.slice();}var length=buffer.length,result=allocUnsafe?allocUnsafe(length):new buffer.constructor(length);buffer.copy(result);return result;}/** + * Creates a clone of `arrayBuffer`. + * + * @private + * @param {ArrayBuffer} arrayBuffer The array buffer to clone. + * @returns {ArrayBuffer} Returns the cloned array buffer. + */function cloneArrayBuffer(arrayBuffer){var result=new arrayBuffer.constructor(arrayBuffer.byteLength);new Uint8Array(result).set(new Uint8Array(arrayBuffer));return result;}/** + * Creates a clone of `dataView`. + * + * @private + * @param {Object} dataView The data view to clone. + * @param {boolean} [isDeep] Specify a deep clone. + * @returns {Object} Returns the cloned data view. + */function cloneDataView(dataView,isDeep){var buffer=isDeep?cloneArrayBuffer(dataView.buffer):dataView.buffer;return new dataView.constructor(buffer,dataView.byteOffset,dataView.byteLength);}/** + * Creates a clone of `regexp`. + * + * @private + * @param {Object} regexp The regexp to clone. + * @returns {Object} Returns the cloned regexp. + */function cloneRegExp(regexp){var result=new regexp.constructor(regexp.source,reFlags.exec(regexp));result.lastIndex=regexp.lastIndex;return result;}/** + * Creates a clone of the `symbol` object. + * + * @private + * @param {Object} symbol The symbol object to clone. + * @returns {Object} Returns the cloned symbol object. + */function cloneSymbol(symbol){return symbolValueOf?Object(symbolValueOf.call(symbol)):{};}/** + * Creates a clone of `typedArray`. + * + * @private + * @param {Object} typedArray The typed array to clone. + * @param {boolean} [isDeep] Specify a deep clone. + * @returns {Object} Returns the cloned typed array. + */function cloneTypedArray(typedArray,isDeep){var buffer=isDeep?cloneArrayBuffer(typedArray.buffer):typedArray.buffer;return new typedArray.constructor(buffer,typedArray.byteOffset,typedArray.length);}/** + * Compares values to sort them in ascending order. + * + * @private + * @param {*} value The value to compare. + * @param {*} other The other value to compare. + * @returns {number} Returns the sort order indicator for `value`. + */function compareAscending(value,other){if(value!==other){var valIsDefined=value!==undefined,valIsNull=value===null,valIsReflexive=value===value,valIsSymbol=isSymbol(value);var othIsDefined=other!==undefined,othIsNull=other===null,othIsReflexive=other===other,othIsSymbol=isSymbol(other);if(!othIsNull&&!othIsSymbol&&!valIsSymbol&&value>other||valIsSymbol&&othIsDefined&&othIsReflexive&&!othIsNull&&!othIsSymbol||valIsNull&&othIsDefined&&othIsReflexive||!valIsDefined&&othIsReflexive||!valIsReflexive){return 1;}if(!valIsNull&&!valIsSymbol&&!othIsSymbol&&value=ordersLength){return result;}var order=orders[index];return result*(order=='desc'?-1:1);}}// Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications +// that causes it, under certain circumstances, to provide the same value for +// `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247 +// for more details. +// +// This also ensures a stable sort in V8 and other engines. +// See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details. +return object.index-other.index;}/** + * Creates an array that is the composition of partially applied arguments, + * placeholders, and provided arguments into a single array of arguments. + * + * @private + * @param {Array} args The provided arguments. + * @param {Array} partials The arguments to prepend to those provided. + * @param {Array} holders The `partials` placeholder indexes. + * @params {boolean} [isCurried] Specify composing for a curried function. + * @returns {Array} Returns the new array of composed arguments. + */function composeArgs(args,partials,holders,isCurried){var argsIndex=-1,argsLength=args.length,holdersLength=holders.length,leftIndex=-1,leftLength=partials.length,rangeLength=nativeMax(argsLength-holdersLength,0),result=Array(leftLength+rangeLength),isUncurried=!isCurried;while(++leftIndex1?sources[length-1]:undefined,guard=length>2?sources[2]:undefined;customizer=assigner.length>3&&typeof customizer=='function'?(length--,customizer):undefined;if(guard&&isIterateeCall(sources[0],sources[1],guard)){customizer=length<3?undefined:customizer;length=1;}object=Object(object);while(++index-1?iterable[iteratee?collection[index]:index]:undefined;};}/** + * Creates a `_.flow` or `_.flowRight` function. + * + * @private + * @param {boolean} [fromRight] Specify iterating from right to left. + * @returns {Function} Returns the new flow function. + */function createFlow(fromRight){return flatRest(function(funcs){var length=funcs.length,index=length,prereq=LodashWrapper.prototype.thru;if(fromRight){funcs.reverse();}while(index--){var func=funcs[index];if(typeof func!='function'){throw new TypeError(FUNC_ERROR_TEXT);}if(prereq&&!wrapper&&getFuncName(func)=='wrapper'){var wrapper=new LodashWrapper([],true);}}index=wrapper?index:length;while(++index1){args.reverse();}if(isAry&&aryarrLength)){return false;}// Check that cyclic values are equal. +var arrStacked=stack.get(array);var othStacked=stack.get(other);if(arrStacked&&othStacked){return arrStacked==other&&othStacked==array;}var index=-1,result=true,seen=bitmask&COMPARE_UNORDERED_FLAG?new SetCache():undefined;stack.set(array,other);stack.set(other,array);// Ignore non-index properties. +while(++index1?'& ':'')+details[lastIndex];details=details.join(length>2?', ':' ');return source.replace(reWrapComment,'{\n/* [wrapped with '+details+'] */\n');}/** + * Checks if `value` is a flattenable `arguments` object or array. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is flattenable, else `false`. + */function isFlattenable(value){return isArray(value)||isArguments(value)||!!(spreadableSymbol&&value&&value[spreadableSymbol]);}/** + * Checks if `value` is a valid array-like index. + * + * @private + * @param {*} value The value to check. + * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index. + * @returns {boolean} Returns `true` if `value` is a valid index, else `false`. + */function isIndex(value,length){var type=typeof value;length=length==null?MAX_SAFE_INTEGER:length;return!!length&&(type=='number'||type!='symbol'&&reIsUint.test(value))&&value>-1&&value%1==0&&value0){if(++count>=HOT_COUNT){return arguments[0];}}else{count=0;}return func.apply(undefined,arguments);};}/** + * A specialized version of `_.shuffle` which mutates and sets the size of `array`. + * + * @private + * @param {Array} array The array to shuffle. + * @param {number} [size=array.length] The size of `array`. + * @returns {Array} Returns `array`. + */function shuffleSelf(array,size){var index=-1,length=array.length,lastIndex=length-1;size=size===undefined?length:size;while(++index [['a', 'b'], ['c', 'd']] + * + * _.chunk(['a', 'b', 'c', 'd'], 3); + * // => [['a', 'b', 'c'], ['d']] + */function chunk(array,size,guard){if(guard?isIterateeCall(array,size,guard):size===undefined){size=1;}else{size=nativeMax(toInteger(size),0);}var length=array==null?0:array.length;if(!length||size<1){return[];}var index=0,resIndex=0,result=Array(nativeCeil(length/size));while(index [1, 2, 3] + */function compact(array){var index=-1,length=array==null?0:array.length,resIndex=0,result=[];while(++index [1, 2, 3, [4]] + * + * console.log(array); + * // => [1] + */function concat(){var length=arguments.length;if(!length){return[];}var args=Array(length-1),array=arguments[0],index=length;while(index--){args[index-1]=arguments[index];}return arrayPush(isArray(array)?copyArray(array):[array],baseFlatten(args,1));}/** + * Creates an array of `array` values not included in the other given arrays + * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) + * for equality comparisons. The order and references of result values are + * determined by the first array. + * + * **Note:** Unlike `_.pullAll`, this method returns a new array. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {...Array} [values] The values to exclude. + * @returns {Array} Returns the new array of filtered values. + * @see _.without, _.xor + * @example + * + * _.difference([2, 1], [2, 3]); + * // => [1] + */var difference=baseRest(function(array,values){return isArrayLikeObject(array)?baseDifference(array,baseFlatten(values,1,isArrayLikeObject,true)):[];});/** + * This method is like `_.difference` except that it accepts `iteratee` which + * is invoked for each element of `array` and `values` to generate the criterion + * by which they're compared. The order and references of result values are + * determined by the first array. The iteratee is invoked with one argument: + * (value). + * + * **Note:** Unlike `_.pullAllBy`, this method returns a new array. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {...Array} [values] The values to exclude. + * @param {Function} [iteratee=_.identity] The iteratee invoked per element. + * @returns {Array} Returns the new array of filtered values. + * @example + * + * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor); + * // => [1.2] + * + * // The `_.property` iteratee shorthand. + * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x'); + * // => [{ 'x': 2 }] + */var differenceBy=baseRest(function(array,values){var iteratee=last(values);if(isArrayLikeObject(iteratee)){iteratee=undefined;}return isArrayLikeObject(array)?baseDifference(array,baseFlatten(values,1,isArrayLikeObject,true),getIteratee(iteratee,2)):[];});/** + * This method is like `_.difference` except that it accepts `comparator` + * which is invoked to compare elements of `array` to `values`. The order and + * references of result values are determined by the first array. The comparator + * is invoked with two arguments: (arrVal, othVal). + * + * **Note:** Unlike `_.pullAllWith`, this method returns a new array. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {...Array} [values] The values to exclude. + * @param {Function} [comparator] The comparator invoked per element. + * @returns {Array} Returns the new array of filtered values. + * @example + * + * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]; + * + * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual); + * // => [{ 'x': 2, 'y': 1 }] + */var differenceWith=baseRest(function(array,values){var comparator=last(values);if(isArrayLikeObject(comparator)){comparator=undefined;}return isArrayLikeObject(array)?baseDifference(array,baseFlatten(values,1,isArrayLikeObject,true),undefined,comparator):[];});/** + * Creates a slice of `array` with `n` elements dropped from the beginning. + * + * @static + * @memberOf _ + * @since 0.5.0 + * @category Array + * @param {Array} array The array to query. + * @param {number} [n=1] The number of elements to drop. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {Array} Returns the slice of `array`. + * @example + * + * _.drop([1, 2, 3]); + * // => [2, 3] + * + * _.drop([1, 2, 3], 2); + * // => [3] + * + * _.drop([1, 2, 3], 5); + * // => [] + * + * _.drop([1, 2, 3], 0); + * // => [1, 2, 3] + */function drop(array,n,guard){var length=array==null?0:array.length;if(!length){return[];}n=guard||n===undefined?1:toInteger(n);return baseSlice(array,n<0?0:n,length);}/** + * Creates a slice of `array` with `n` elements dropped from the end. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Array + * @param {Array} array The array to query. + * @param {number} [n=1] The number of elements to drop. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {Array} Returns the slice of `array`. + * @example + * + * _.dropRight([1, 2, 3]); + * // => [1, 2] + * + * _.dropRight([1, 2, 3], 2); + * // => [1] + * + * _.dropRight([1, 2, 3], 5); + * // => [] + * + * _.dropRight([1, 2, 3], 0); + * // => [1, 2, 3] + */function dropRight(array,n,guard){var length=array==null?0:array.length;if(!length){return[];}n=guard||n===undefined?1:toInteger(n);n=length-n;return baseSlice(array,0,n<0?0:n);}/** + * Creates a slice of `array` excluding elements dropped from the end. + * Elements are dropped until `predicate` returns falsey. The predicate is + * invoked with three arguments: (value, index, array). + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Array + * @param {Array} array The array to query. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @returns {Array} Returns the slice of `array`. + * @example + * + * var users = [ + * { 'user': 'barney', 'active': true }, + * { 'user': 'fred', 'active': false }, + * { 'user': 'pebbles', 'active': false } + * ]; + * + * _.dropRightWhile(users, function(o) { return !o.active; }); + * // => objects for ['barney'] + * + * // The `_.matches` iteratee shorthand. + * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false }); + * // => objects for ['barney', 'fred'] + * + * // The `_.matchesProperty` iteratee shorthand. + * _.dropRightWhile(users, ['active', false]); + * // => objects for ['barney'] + * + * // The `_.property` iteratee shorthand. + * _.dropRightWhile(users, 'active'); + * // => objects for ['barney', 'fred', 'pebbles'] + */function dropRightWhile(array,predicate){return array&&array.length?baseWhile(array,getIteratee(predicate,3),true,true):[];}/** + * Creates a slice of `array` excluding elements dropped from the beginning. + * Elements are dropped until `predicate` returns falsey. The predicate is + * invoked with three arguments: (value, index, array). + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Array + * @param {Array} array The array to query. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @returns {Array} Returns the slice of `array`. + * @example + * + * var users = [ + * { 'user': 'barney', 'active': false }, + * { 'user': 'fred', 'active': false }, + * { 'user': 'pebbles', 'active': true } + * ]; + * + * _.dropWhile(users, function(o) { return !o.active; }); + * // => objects for ['pebbles'] + * + * // The `_.matches` iteratee shorthand. + * _.dropWhile(users, { 'user': 'barney', 'active': false }); + * // => objects for ['fred', 'pebbles'] + * + * // The `_.matchesProperty` iteratee shorthand. + * _.dropWhile(users, ['active', false]); + * // => objects for ['pebbles'] + * + * // The `_.property` iteratee shorthand. + * _.dropWhile(users, 'active'); + * // => objects for ['barney', 'fred', 'pebbles'] + */function dropWhile(array,predicate){return array&&array.length?baseWhile(array,getIteratee(predicate,3),true):[];}/** + * Fills elements of `array` with `value` from `start` up to, but not + * including, `end`. + * + * **Note:** This method mutates `array`. + * + * @static + * @memberOf _ + * @since 3.2.0 + * @category Array + * @param {Array} array The array to fill. + * @param {*} value The value to fill `array` with. + * @param {number} [start=0] The start position. + * @param {number} [end=array.length] The end position. + * @returns {Array} Returns `array`. + * @example + * + * var array = [1, 2, 3]; + * + * _.fill(array, 'a'); + * console.log(array); + * // => ['a', 'a', 'a'] + * + * _.fill(Array(3), 2); + * // => [2, 2, 2] + * + * _.fill([4, 6, 8, 10], '*', 1, 3); + * // => [4, '*', '*', 10] + */function fill(array,value,start,end){var length=array==null?0:array.length;if(!length){return[];}if(start&&typeof start!='number'&&isIterateeCall(array,value,start)){start=0;end=length;}return baseFill(array,value,start,end);}/** + * This method is like `_.find` except that it returns the index of the first + * element `predicate` returns truthy for instead of the element itself. + * + * @static + * @memberOf _ + * @since 1.1.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @param {number} [fromIndex=0] The index to search from. + * @returns {number} Returns the index of the found element, else `-1`. + * @example + * + * var users = [ + * { 'user': 'barney', 'active': false }, + * { 'user': 'fred', 'active': false }, + * { 'user': 'pebbles', 'active': true } + * ]; + * + * _.findIndex(users, function(o) { return o.user == 'barney'; }); + * // => 0 + * + * // The `_.matches` iteratee shorthand. + * _.findIndex(users, { 'user': 'fred', 'active': false }); + * // => 1 + * + * // The `_.matchesProperty` iteratee shorthand. + * _.findIndex(users, ['active', false]); + * // => 0 + * + * // The `_.property` iteratee shorthand. + * _.findIndex(users, 'active'); + * // => 2 + */function findIndex(array,predicate,fromIndex){var length=array==null?0:array.length;if(!length){return-1;}var index=fromIndex==null?0:toInteger(fromIndex);if(index<0){index=nativeMax(length+index,0);}return baseFindIndex(array,getIteratee(predicate,3),index);}/** + * This method is like `_.findIndex` except that it iterates over elements + * of `collection` from right to left. + * + * @static + * @memberOf _ + * @since 2.0.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @param {number} [fromIndex=array.length-1] The index to search from. + * @returns {number} Returns the index of the found element, else `-1`. + * @example + * + * var users = [ + * { 'user': 'barney', 'active': true }, + * { 'user': 'fred', 'active': false }, + * { 'user': 'pebbles', 'active': false } + * ]; + * + * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; }); + * // => 2 + * + * // The `_.matches` iteratee shorthand. + * _.findLastIndex(users, { 'user': 'barney', 'active': true }); + * // => 0 + * + * // The `_.matchesProperty` iteratee shorthand. + * _.findLastIndex(users, ['active', false]); + * // => 2 + * + * // The `_.property` iteratee shorthand. + * _.findLastIndex(users, 'active'); + * // => 0 + */function findLastIndex(array,predicate,fromIndex){var length=array==null?0:array.length;if(!length){return-1;}var index=length-1;if(fromIndex!==undefined){index=toInteger(fromIndex);index=fromIndex<0?nativeMax(length+index,0):nativeMin(index,length-1);}return baseFindIndex(array,getIteratee(predicate,3),index,true);}/** + * Flattens `array` a single level deep. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {Array} array The array to flatten. + * @returns {Array} Returns the new flattened array. + * @example + * + * _.flatten([1, [2, [3, [4]], 5]]); + * // => [1, 2, [3, [4]], 5] + */function flatten(array){var length=array==null?0:array.length;return length?baseFlatten(array,1):[];}/** + * Recursively flattens `array`. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Array + * @param {Array} array The array to flatten. + * @returns {Array} Returns the new flattened array. + * @example + * + * _.flattenDeep([1, [2, [3, [4]], 5]]); + * // => [1, 2, 3, 4, 5] + */function flattenDeep(array){var length=array==null?0:array.length;return length?baseFlatten(array,INFINITY):[];}/** + * Recursively flatten `array` up to `depth` times. + * + * @static + * @memberOf _ + * @since 4.4.0 + * @category Array + * @param {Array} array The array to flatten. + * @param {number} [depth=1] The maximum recursion depth. + * @returns {Array} Returns the new flattened array. + * @example + * + * var array = [1, [2, [3, [4]], 5]]; + * + * _.flattenDepth(array, 1); + * // => [1, 2, [3, [4]], 5] + * + * _.flattenDepth(array, 2); + * // => [1, 2, 3, [4], 5] + */function flattenDepth(array,depth){var length=array==null?0:array.length;if(!length){return[];}depth=depth===undefined?1:toInteger(depth);return baseFlatten(array,depth);}/** + * The inverse of `_.toPairs`; this method returns an object composed + * from key-value `pairs`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} pairs The key-value pairs. + * @returns {Object} Returns the new object. + * @example + * + * _.fromPairs([['a', 1], ['b', 2]]); + * // => { 'a': 1, 'b': 2 } + */function fromPairs(pairs){var index=-1,length=pairs==null?0:pairs.length,result={};while(++index 1 + * + * _.head([]); + * // => undefined + */function head(array){return array&&array.length?array[0]:undefined;}/** + * Gets the index at which the first occurrence of `value` is found in `array` + * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) + * for equality comparisons. If `fromIndex` is negative, it's used as the + * offset from the end of `array`. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {*} value The value to search for. + * @param {number} [fromIndex=0] The index to search from. + * @returns {number} Returns the index of the matched value, else `-1`. + * @example + * + * _.indexOf([1, 2, 1, 2], 2); + * // => 1 + * + * // Search from the `fromIndex`. + * _.indexOf([1, 2, 1, 2], 2, 2); + * // => 3 + */function indexOf(array,value,fromIndex){var length=array==null?0:array.length;if(!length){return-1;}var index=fromIndex==null?0:toInteger(fromIndex);if(index<0){index=nativeMax(length+index,0);}return baseIndexOf(array,value,index);}/** + * Gets all but the last element of `array`. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {Array} array The array to query. + * @returns {Array} Returns the slice of `array`. + * @example + * + * _.initial([1, 2, 3]); + * // => [1, 2] + */function initial(array){var length=array==null?0:array.length;return length?baseSlice(array,0,-1):[];}/** + * Creates an array of unique values that are included in all given arrays + * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) + * for equality comparisons. The order and references of result values are + * determined by the first array. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {...Array} [arrays] The arrays to inspect. + * @returns {Array} Returns the new array of intersecting values. + * @example + * + * _.intersection([2, 1], [2, 3]); + * // => [2] + */var intersection=baseRest(function(arrays){var mapped=arrayMap(arrays,castArrayLikeObject);return mapped.length&&mapped[0]===arrays[0]?baseIntersection(mapped):[];});/** + * This method is like `_.intersection` except that it accepts `iteratee` + * which is invoked for each element of each `arrays` to generate the criterion + * by which they're compared. The order and references of result values are + * determined by the first array. The iteratee is invoked with one argument: + * (value). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {...Array} [arrays] The arrays to inspect. + * @param {Function} [iteratee=_.identity] The iteratee invoked per element. + * @returns {Array} Returns the new array of intersecting values. + * @example + * + * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor); + * // => [2.1] + * + * // The `_.property` iteratee shorthand. + * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x'); + * // => [{ 'x': 1 }] + */var intersectionBy=baseRest(function(arrays){var iteratee=last(arrays),mapped=arrayMap(arrays,castArrayLikeObject);if(iteratee===last(mapped)){iteratee=undefined;}else{mapped.pop();}return mapped.length&&mapped[0]===arrays[0]?baseIntersection(mapped,getIteratee(iteratee,2)):[];});/** + * This method is like `_.intersection` except that it accepts `comparator` + * which is invoked to compare elements of `arrays`. The order and references + * of result values are determined by the first array. The comparator is + * invoked with two arguments: (arrVal, othVal). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {...Array} [arrays] The arrays to inspect. + * @param {Function} [comparator] The comparator invoked per element. + * @returns {Array} Returns the new array of intersecting values. + * @example + * + * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]; + * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }]; + * + * _.intersectionWith(objects, others, _.isEqual); + * // => [{ 'x': 1, 'y': 2 }] + */var intersectionWith=baseRest(function(arrays){var comparator=last(arrays),mapped=arrayMap(arrays,castArrayLikeObject);comparator=typeof comparator=='function'?comparator:undefined;if(comparator){mapped.pop();}return mapped.length&&mapped[0]===arrays[0]?baseIntersection(mapped,undefined,comparator):[];});/** + * Converts all elements in `array` into a string separated by `separator`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to convert. + * @param {string} [separator=','] The element separator. + * @returns {string} Returns the joined string. + * @example + * + * _.join(['a', 'b', 'c'], '~'); + * // => 'a~b~c' + */function join(array,separator){return array==null?'':nativeJoin.call(array,separator);}/** + * Gets the last element of `array`. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {Array} array The array to query. + * @returns {*} Returns the last element of `array`. + * @example + * + * _.last([1, 2, 3]); + * // => 3 + */function last(array){var length=array==null?0:array.length;return length?array[length-1]:undefined;}/** + * This method is like `_.indexOf` except that it iterates over elements of + * `array` from right to left. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {*} value The value to search for. + * @param {number} [fromIndex=array.length-1] The index to search from. + * @returns {number} Returns the index of the matched value, else `-1`. + * @example + * + * _.lastIndexOf([1, 2, 1, 2], 2); + * // => 3 + * + * // Search from the `fromIndex`. + * _.lastIndexOf([1, 2, 1, 2], 2, 2); + * // => 1 + */function lastIndexOf(array,value,fromIndex){var length=array==null?0:array.length;if(!length){return-1;}var index=length;if(fromIndex!==undefined){index=toInteger(fromIndex);index=index<0?nativeMax(length+index,0):nativeMin(index,length-1);}return value===value?strictLastIndexOf(array,value,index):baseFindIndex(array,baseIsNaN,index,true);}/** + * Gets the element at index `n` of `array`. If `n` is negative, the nth + * element from the end is returned. + * + * @static + * @memberOf _ + * @since 4.11.0 + * @category Array + * @param {Array} array The array to query. + * @param {number} [n=0] The index of the element to return. + * @returns {*} Returns the nth element of `array`. + * @example + * + * var array = ['a', 'b', 'c', 'd']; + * + * _.nth(array, 1); + * // => 'b' + * + * _.nth(array, -2); + * // => 'c'; + */function nth(array,n){return array&&array.length?baseNth(array,toInteger(n)):undefined;}/** + * Removes all given values from `array` using + * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) + * for equality comparisons. + * + * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove` + * to remove elements from an array by predicate. + * + * @static + * @memberOf _ + * @since 2.0.0 + * @category Array + * @param {Array} array The array to modify. + * @param {...*} [values] The values to remove. + * @returns {Array} Returns `array`. + * @example + * + * var array = ['a', 'b', 'c', 'a', 'b', 'c']; + * + * _.pull(array, 'a', 'c'); + * console.log(array); + * // => ['b', 'b'] + */var pull=baseRest(pullAll);/** + * This method is like `_.pull` except that it accepts an array of values to remove. + * + * **Note:** Unlike `_.difference`, this method mutates `array`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to modify. + * @param {Array} values The values to remove. + * @returns {Array} Returns `array`. + * @example + * + * var array = ['a', 'b', 'c', 'a', 'b', 'c']; + * + * _.pullAll(array, ['a', 'c']); + * console.log(array); + * // => ['b', 'b'] + */function pullAll(array,values){return array&&array.length&&values&&values.length?basePullAll(array,values):array;}/** + * This method is like `_.pullAll` except that it accepts `iteratee` which is + * invoked for each element of `array` and `values` to generate the criterion + * by which they're compared. The iteratee is invoked with one argument: (value). + * + * **Note:** Unlike `_.differenceBy`, this method mutates `array`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to modify. + * @param {Array} values The values to remove. + * @param {Function} [iteratee=_.identity] The iteratee invoked per element. + * @returns {Array} Returns `array`. + * @example + * + * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }]; + * + * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x'); + * console.log(array); + * // => [{ 'x': 2 }] + */function pullAllBy(array,values,iteratee){return array&&array.length&&values&&values.length?basePullAll(array,values,getIteratee(iteratee,2)):array;}/** + * This method is like `_.pullAll` except that it accepts `comparator` which + * is invoked to compare elements of `array` to `values`. The comparator is + * invoked with two arguments: (arrVal, othVal). + * + * **Note:** Unlike `_.differenceWith`, this method mutates `array`. + * + * @static + * @memberOf _ + * @since 4.6.0 + * @category Array + * @param {Array} array The array to modify. + * @param {Array} values The values to remove. + * @param {Function} [comparator] The comparator invoked per element. + * @returns {Array} Returns `array`. + * @example + * + * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }]; + * + * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual); + * console.log(array); + * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }] + */function pullAllWith(array,values,comparator){return array&&array.length&&values&&values.length?basePullAll(array,values,undefined,comparator):array;}/** + * Removes elements from `array` corresponding to `indexes` and returns an + * array of removed elements. + * + * **Note:** Unlike `_.at`, this method mutates `array`. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Array + * @param {Array} array The array to modify. + * @param {...(number|number[])} [indexes] The indexes of elements to remove. + * @returns {Array} Returns the new array of removed elements. + * @example + * + * var array = ['a', 'b', 'c', 'd']; + * var pulled = _.pullAt(array, [1, 3]); + * + * console.log(array); + * // => ['a', 'c'] + * + * console.log(pulled); + * // => ['b', 'd'] + */var pullAt=flatRest(function(array,indexes){var length=array==null?0:array.length,result=baseAt(array,indexes);basePullAt(array,arrayMap(indexes,function(index){return isIndex(index,length)?+index:index;}).sort(compareAscending));return result;});/** + * Removes all elements from `array` that `predicate` returns truthy for + * and returns an array of the removed elements. The predicate is invoked + * with three arguments: (value, index, array). + * + * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull` + * to pull elements from an array by value. + * + * @static + * @memberOf _ + * @since 2.0.0 + * @category Array + * @param {Array} array The array to modify. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @returns {Array} Returns the new array of removed elements. + * @example + * + * var array = [1, 2, 3, 4]; + * var evens = _.remove(array, function(n) { + * return n % 2 == 0; + * }); + * + * console.log(array); + * // => [1, 3] + * + * console.log(evens); + * // => [2, 4] + */function remove(array,predicate){var result=[];if(!(array&&array.length)){return result;}var index=-1,indexes=[],length=array.length;predicate=getIteratee(predicate,3);while(++index [3, 2, 1] + * + * console.log(array); + * // => [3, 2, 1] + */function reverse(array){return array==null?array:nativeReverse.call(array);}/** + * Creates a slice of `array` from `start` up to, but not including, `end`. + * + * **Note:** This method is used instead of + * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are + * returned. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Array + * @param {Array} array The array to slice. + * @param {number} [start=0] The start position. + * @param {number} [end=array.length] The end position. + * @returns {Array} Returns the slice of `array`. + */function slice(array,start,end){var length=array==null?0:array.length;if(!length){return[];}if(end&&typeof end!='number'&&isIterateeCall(array,start,end)){start=0;end=length;}else{start=start==null?0:toInteger(start);end=end===undefined?length:toInteger(end);}return baseSlice(array,start,end);}/** + * Uses a binary search to determine the lowest index at which `value` + * should be inserted into `array` in order to maintain its sort order. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {Array} array The sorted array to inspect. + * @param {*} value The value to evaluate. + * @returns {number} Returns the index at which `value` should be inserted + * into `array`. + * @example + * + * _.sortedIndex([30, 50], 40); + * // => 1 + */function sortedIndex(array,value){return baseSortedIndex(array,value);}/** + * This method is like `_.sortedIndex` except that it accepts `iteratee` + * which is invoked for `value` and each element of `array` to compute their + * sort ranking. The iteratee is invoked with one argument: (value). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The sorted array to inspect. + * @param {*} value The value to evaluate. + * @param {Function} [iteratee=_.identity] The iteratee invoked per element. + * @returns {number} Returns the index at which `value` should be inserted + * into `array`. + * @example + * + * var objects = [{ 'x': 4 }, { 'x': 5 }]; + * + * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; }); + * // => 0 + * + * // The `_.property` iteratee shorthand. + * _.sortedIndexBy(objects, { 'x': 4 }, 'x'); + * // => 0 + */function sortedIndexBy(array,value,iteratee){return baseSortedIndexBy(array,value,getIteratee(iteratee,2));}/** + * This method is like `_.indexOf` except that it performs a binary + * search on a sorted `array`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {*} value The value to search for. + * @returns {number} Returns the index of the matched value, else `-1`. + * @example + * + * _.sortedIndexOf([4, 5, 5, 5, 6], 5); + * // => 1 + */function sortedIndexOf(array,value){var length=array==null?0:array.length;if(length){var index=baseSortedIndex(array,value);if(index 4 + */function sortedLastIndex(array,value){return baseSortedIndex(array,value,true);}/** + * This method is like `_.sortedLastIndex` except that it accepts `iteratee` + * which is invoked for `value` and each element of `array` to compute their + * sort ranking. The iteratee is invoked with one argument: (value). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The sorted array to inspect. + * @param {*} value The value to evaluate. + * @param {Function} [iteratee=_.identity] The iteratee invoked per element. + * @returns {number} Returns the index at which `value` should be inserted + * into `array`. + * @example + * + * var objects = [{ 'x': 4 }, { 'x': 5 }]; + * + * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; }); + * // => 1 + * + * // The `_.property` iteratee shorthand. + * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x'); + * // => 1 + */function sortedLastIndexBy(array,value,iteratee){return baseSortedIndexBy(array,value,getIteratee(iteratee,2),true);}/** + * This method is like `_.lastIndexOf` except that it performs a binary + * search on a sorted `array`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {*} value The value to search for. + * @returns {number} Returns the index of the matched value, else `-1`. + * @example + * + * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5); + * // => 3 + */function sortedLastIndexOf(array,value){var length=array==null?0:array.length;if(length){var index=baseSortedIndex(array,value,true)-1;if(eq(array[index],value)){return index;}}return-1;}/** + * This method is like `_.uniq` except that it's designed and optimized + * for sorted arrays. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to inspect. + * @returns {Array} Returns the new duplicate free array. + * @example + * + * _.sortedUniq([1, 1, 2]); + * // => [1, 2] + */function sortedUniq(array){return array&&array.length?baseSortedUniq(array):[];}/** + * This method is like `_.uniqBy` except that it's designed and optimized + * for sorted arrays. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {Function} [iteratee] The iteratee invoked per element. + * @returns {Array} Returns the new duplicate free array. + * @example + * + * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor); + * // => [1.1, 2.3] + */function sortedUniqBy(array,iteratee){return array&&array.length?baseSortedUniq(array,getIteratee(iteratee,2)):[];}/** + * Gets all but the first element of `array`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to query. + * @returns {Array} Returns the slice of `array`. + * @example + * + * _.tail([1, 2, 3]); + * // => [2, 3] + */function tail(array){var length=array==null?0:array.length;return length?baseSlice(array,1,length):[];}/** + * Creates a slice of `array` with `n` elements taken from the beginning. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {Array} array The array to query. + * @param {number} [n=1] The number of elements to take. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {Array} Returns the slice of `array`. + * @example + * + * _.take([1, 2, 3]); + * // => [1] + * + * _.take([1, 2, 3], 2); + * // => [1, 2] + * + * _.take([1, 2, 3], 5); + * // => [1, 2, 3] + * + * _.take([1, 2, 3], 0); + * // => [] + */function take(array,n,guard){if(!(array&&array.length)){return[];}n=guard||n===undefined?1:toInteger(n);return baseSlice(array,0,n<0?0:n);}/** + * Creates a slice of `array` with `n` elements taken from the end. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Array + * @param {Array} array The array to query. + * @param {number} [n=1] The number of elements to take. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {Array} Returns the slice of `array`. + * @example + * + * _.takeRight([1, 2, 3]); + * // => [3] + * + * _.takeRight([1, 2, 3], 2); + * // => [2, 3] + * + * _.takeRight([1, 2, 3], 5); + * // => [1, 2, 3] + * + * _.takeRight([1, 2, 3], 0); + * // => [] + */function takeRight(array,n,guard){var length=array==null?0:array.length;if(!length){return[];}n=guard||n===undefined?1:toInteger(n);n=length-n;return baseSlice(array,n<0?0:n,length);}/** + * Creates a slice of `array` with elements taken from the end. Elements are + * taken until `predicate` returns falsey. The predicate is invoked with + * three arguments: (value, index, array). + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Array + * @param {Array} array The array to query. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @returns {Array} Returns the slice of `array`. + * @example + * + * var users = [ + * { 'user': 'barney', 'active': true }, + * { 'user': 'fred', 'active': false }, + * { 'user': 'pebbles', 'active': false } + * ]; + * + * _.takeRightWhile(users, function(o) { return !o.active; }); + * // => objects for ['fred', 'pebbles'] + * + * // The `_.matches` iteratee shorthand. + * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false }); + * // => objects for ['pebbles'] + * + * // The `_.matchesProperty` iteratee shorthand. + * _.takeRightWhile(users, ['active', false]); + * // => objects for ['fred', 'pebbles'] + * + * // The `_.property` iteratee shorthand. + * _.takeRightWhile(users, 'active'); + * // => [] + */function takeRightWhile(array,predicate){return array&&array.length?baseWhile(array,getIteratee(predicate,3),false,true):[];}/** + * Creates a slice of `array` with elements taken from the beginning. Elements + * are taken until `predicate` returns falsey. The predicate is invoked with + * three arguments: (value, index, array). + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Array + * @param {Array} array The array to query. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @returns {Array} Returns the slice of `array`. + * @example + * + * var users = [ + * { 'user': 'barney', 'active': false }, + * { 'user': 'fred', 'active': false }, + * { 'user': 'pebbles', 'active': true } + * ]; + * + * _.takeWhile(users, function(o) { return !o.active; }); + * // => objects for ['barney', 'fred'] + * + * // The `_.matches` iteratee shorthand. + * _.takeWhile(users, { 'user': 'barney', 'active': false }); + * // => objects for ['barney'] + * + * // The `_.matchesProperty` iteratee shorthand. + * _.takeWhile(users, ['active', false]); + * // => objects for ['barney', 'fred'] + * + * // The `_.property` iteratee shorthand. + * _.takeWhile(users, 'active'); + * // => [] + */function takeWhile(array,predicate){return array&&array.length?baseWhile(array,getIteratee(predicate,3)):[];}/** + * Creates an array of unique values, in order, from all given arrays using + * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) + * for equality comparisons. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {...Array} [arrays] The arrays to inspect. + * @returns {Array} Returns the new array of combined values. + * @example + * + * _.union([2], [1, 2]); + * // => [2, 1] + */var union=baseRest(function(arrays){return baseUniq(baseFlatten(arrays,1,isArrayLikeObject,true));});/** + * This method is like `_.union` except that it accepts `iteratee` which is + * invoked for each element of each `arrays` to generate the criterion by + * which uniqueness is computed. Result values are chosen from the first + * array in which the value occurs. The iteratee is invoked with one argument: + * (value). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {...Array} [arrays] The arrays to inspect. + * @param {Function} [iteratee=_.identity] The iteratee invoked per element. + * @returns {Array} Returns the new array of combined values. + * @example + * + * _.unionBy([2.1], [1.2, 2.3], Math.floor); + * // => [2.1, 1.2] + * + * // The `_.property` iteratee shorthand. + * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x'); + * // => [{ 'x': 1 }, { 'x': 2 }] + */var unionBy=baseRest(function(arrays){var iteratee=last(arrays);if(isArrayLikeObject(iteratee)){iteratee=undefined;}return baseUniq(baseFlatten(arrays,1,isArrayLikeObject,true),getIteratee(iteratee,2));});/** + * This method is like `_.union` except that it accepts `comparator` which + * is invoked to compare elements of `arrays`. Result values are chosen from + * the first array in which the value occurs. The comparator is invoked + * with two arguments: (arrVal, othVal). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {...Array} [arrays] The arrays to inspect. + * @param {Function} [comparator] The comparator invoked per element. + * @returns {Array} Returns the new array of combined values. + * @example + * + * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]; + * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }]; + * + * _.unionWith(objects, others, _.isEqual); + * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }] + */var unionWith=baseRest(function(arrays){var comparator=last(arrays);comparator=typeof comparator=='function'?comparator:undefined;return baseUniq(baseFlatten(arrays,1,isArrayLikeObject,true),undefined,comparator);});/** + * Creates a duplicate-free version of an array, using + * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) + * for equality comparisons, in which only the first occurrence of each element + * is kept. The order of result values is determined by the order they occur + * in the array. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {Array} array The array to inspect. + * @returns {Array} Returns the new duplicate free array. + * @example + * + * _.uniq([2, 1, 2]); + * // => [2, 1] + */function uniq(array){return array&&array.length?baseUniq(array):[];}/** + * This method is like `_.uniq` except that it accepts `iteratee` which is + * invoked for each element in `array` to generate the criterion by which + * uniqueness is computed. The order of result values is determined by the + * order they occur in the array. The iteratee is invoked with one argument: + * (value). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {Function} [iteratee=_.identity] The iteratee invoked per element. + * @returns {Array} Returns the new duplicate free array. + * @example + * + * _.uniqBy([2.1, 1.2, 2.3], Math.floor); + * // => [2.1, 1.2] + * + * // The `_.property` iteratee shorthand. + * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x'); + * // => [{ 'x': 1 }, { 'x': 2 }] + */function uniqBy(array,iteratee){return array&&array.length?baseUniq(array,getIteratee(iteratee,2)):[];}/** + * This method is like `_.uniq` except that it accepts `comparator` which + * is invoked to compare elements of `array`. The order of result values is + * determined by the order they occur in the array.The comparator is invoked + * with two arguments: (arrVal, othVal). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {Function} [comparator] The comparator invoked per element. + * @returns {Array} Returns the new duplicate free array. + * @example + * + * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }]; + * + * _.uniqWith(objects, _.isEqual); + * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }] + */function uniqWith(array,comparator){comparator=typeof comparator=='function'?comparator:undefined;return array&&array.length?baseUniq(array,undefined,comparator):[];}/** + * This method is like `_.zip` except that it accepts an array of grouped + * elements and creates an array regrouping the elements to their pre-zip + * configuration. + * + * @static + * @memberOf _ + * @since 1.2.0 + * @category Array + * @param {Array} array The array of grouped elements to process. + * @returns {Array} Returns the new array of regrouped elements. + * @example + * + * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]); + * // => [['a', 1, true], ['b', 2, false]] + * + * _.unzip(zipped); + * // => [['a', 'b'], [1, 2], [true, false]] + */function unzip(array){if(!(array&&array.length)){return[];}var length=0;array=arrayFilter(array,function(group){if(isArrayLikeObject(group)){length=nativeMax(group.length,length);return true;}});return baseTimes(length,function(index){return arrayMap(array,baseProperty(index));});}/** + * This method is like `_.unzip` except that it accepts `iteratee` to specify + * how regrouped values should be combined. The iteratee is invoked with the + * elements of each group: (...group). + * + * @static + * @memberOf _ + * @since 3.8.0 + * @category Array + * @param {Array} array The array of grouped elements to process. + * @param {Function} [iteratee=_.identity] The function to combine + * regrouped values. + * @returns {Array} Returns the new array of regrouped elements. + * @example + * + * var zipped = _.zip([1, 2], [10, 20], [100, 200]); + * // => [[1, 10, 100], [2, 20, 200]] + * + * _.unzipWith(zipped, _.add); + * // => [3, 30, 300] + */function unzipWith(array,iteratee){if(!(array&&array.length)){return[];}var result=unzip(array);if(iteratee==null){return result;}return arrayMap(result,function(group){return apply(iteratee,undefined,group);});}/** + * Creates an array excluding all given values using + * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) + * for equality comparisons. + * + * **Note:** Unlike `_.pull`, this method returns a new array. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {...*} [values] The values to exclude. + * @returns {Array} Returns the new array of filtered values. + * @see _.difference, _.xor + * @example + * + * _.without([2, 1, 2, 3], 1, 2); + * // => [3] + */var without=baseRest(function(array,values){return isArrayLikeObject(array)?baseDifference(array,values):[];});/** + * Creates an array of unique values that is the + * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference) + * of the given arrays. The order of result values is determined by the order + * they occur in the arrays. + * + * @static + * @memberOf _ + * @since 2.4.0 + * @category Array + * @param {...Array} [arrays] The arrays to inspect. + * @returns {Array} Returns the new array of filtered values. + * @see _.difference, _.without + * @example + * + * _.xor([2, 1], [2, 3]); + * // => [1, 3] + */var xor=baseRest(function(arrays){return baseXor(arrayFilter(arrays,isArrayLikeObject));});/** + * This method is like `_.xor` except that it accepts `iteratee` which is + * invoked for each element of each `arrays` to generate the criterion by + * which by which they're compared. The order of result values is determined + * by the order they occur in the arrays. The iteratee is invoked with one + * argument: (value). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {...Array} [arrays] The arrays to inspect. + * @param {Function} [iteratee=_.identity] The iteratee invoked per element. + * @returns {Array} Returns the new array of filtered values. + * @example + * + * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor); + * // => [1.2, 3.4] + * + * // The `_.property` iteratee shorthand. + * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x'); + * // => [{ 'x': 2 }] + */var xorBy=baseRest(function(arrays){var iteratee=last(arrays);if(isArrayLikeObject(iteratee)){iteratee=undefined;}return baseXor(arrayFilter(arrays,isArrayLikeObject),getIteratee(iteratee,2));});/** + * This method is like `_.xor` except that it accepts `comparator` which is + * invoked to compare elements of `arrays`. The order of result values is + * determined by the order they occur in the arrays. The comparator is invoked + * with two arguments: (arrVal, othVal). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {...Array} [arrays] The arrays to inspect. + * @param {Function} [comparator] The comparator invoked per element. + * @returns {Array} Returns the new array of filtered values. + * @example + * + * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]; + * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }]; + * + * _.xorWith(objects, others, _.isEqual); + * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }] + */var xorWith=baseRest(function(arrays){var comparator=last(arrays);comparator=typeof comparator=='function'?comparator:undefined;return baseXor(arrayFilter(arrays,isArrayLikeObject),undefined,comparator);});/** + * Creates an array of grouped elements, the first of which contains the + * first elements of the given arrays, the second of which contains the + * second elements of the given arrays, and so on. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {...Array} [arrays] The arrays to process. + * @returns {Array} Returns the new array of grouped elements. + * @example + * + * _.zip(['a', 'b'], [1, 2], [true, false]); + * // => [['a', 1, true], ['b', 2, false]] + */var zip=baseRest(unzip);/** + * This method is like `_.fromPairs` except that it accepts two arrays, + * one of property identifiers and one of corresponding values. + * + * @static + * @memberOf _ + * @since 0.4.0 + * @category Array + * @param {Array} [props=[]] The property identifiers. + * @param {Array} [values=[]] The property values. + * @returns {Object} Returns the new object. + * @example + * + * _.zipObject(['a', 'b'], [1, 2]); + * // => { 'a': 1, 'b': 2 } + */function zipObject(props,values){return baseZipObject(props||[],values||[],assignValue);}/** + * This method is like `_.zipObject` except that it supports property paths. + * + * @static + * @memberOf _ + * @since 4.1.0 + * @category Array + * @param {Array} [props=[]] The property identifiers. + * @param {Array} [values=[]] The property values. + * @returns {Object} Returns the new object. + * @example + * + * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]); + * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } } + */function zipObjectDeep(props,values){return baseZipObject(props||[],values||[],baseSet);}/** + * This method is like `_.zip` except that it accepts `iteratee` to specify + * how grouped values should be combined. The iteratee is invoked with the + * elements of each group: (...group). + * + * @static + * @memberOf _ + * @since 3.8.0 + * @category Array + * @param {...Array} [arrays] The arrays to process. + * @param {Function} [iteratee=_.identity] The function to combine + * grouped values. + * @returns {Array} Returns the new array of grouped elements. + * @example + * + * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) { + * return a + b + c; + * }); + * // => [111, 222] + */var zipWith=baseRest(function(arrays){var length=arrays.length,iteratee=length>1?arrays[length-1]:undefined;iteratee=typeof iteratee=='function'?(arrays.pop(),iteratee):undefined;return unzipWith(arrays,iteratee);});/*------------------------------------------------------------------------*/ /** + * Creates a `lodash` wrapper instance that wraps `value` with explicit method + * chain sequences enabled. The result of such sequences must be unwrapped + * with `_#value`. + * + * @static + * @memberOf _ + * @since 1.3.0 + * @category Seq + * @param {*} value The value to wrap. + * @returns {Object} Returns the new `lodash` wrapper instance. + * @example + * + * var users = [ + * { 'user': 'barney', 'age': 36 }, + * { 'user': 'fred', 'age': 40 }, + * { 'user': 'pebbles', 'age': 1 } + * ]; + * + * var youngest = _ + * .chain(users) + * .sortBy('age') + * .map(function(o) { + * return o.user + ' is ' + o.age; + * }) + * .head() + * .value(); + * // => 'pebbles is 1' + */function chain(value){var result=lodash(value);result.__chain__=true;return result;}/** + * This method invokes `interceptor` and returns `value`. The interceptor + * is invoked with one argument; (value). The purpose of this method is to + * "tap into" a method chain sequence in order to modify intermediate results. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Seq + * @param {*} value The value to provide to `interceptor`. + * @param {Function} interceptor The function to invoke. + * @returns {*} Returns `value`. + * @example + * + * _([1, 2, 3]) + * .tap(function(array) { + * // Mutate input array. + * array.pop(); + * }) + * .reverse() + * .value(); + * // => [2, 1] + */function tap(value,interceptor){interceptor(value);return value;}/** + * This method is like `_.tap` except that it returns the result of `interceptor`. + * The purpose of this method is to "pass thru" values replacing intermediate + * results in a method chain sequence. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Seq + * @param {*} value The value to provide to `interceptor`. + * @param {Function} interceptor The function to invoke. + * @returns {*} Returns the result of `interceptor`. + * @example + * + * _(' abc ') + * .chain() + * .trim() + * .thru(function(value) { + * return [value]; + * }) + * .value(); + * // => ['abc'] + */function thru(value,interceptor){return interceptor(value);}/** + * This method is the wrapper version of `_.at`. + * + * @name at + * @memberOf _ + * @since 1.0.0 + * @category Seq + * @param {...(string|string[])} [paths] The property paths to pick. + * @returns {Object} Returns the new `lodash` wrapper instance. + * @example + * + * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] }; + * + * _(object).at(['a[0].b.c', 'a[1]']).value(); + * // => [3, 4] + */var wrapperAt=flatRest(function(paths){var length=paths.length,start=length?paths[0]:0,value=this.__wrapped__,interceptor=function(object){return baseAt(object,paths);};if(length>1||this.__actions__.length||!(value instanceof LazyWrapper)||!isIndex(start)){return this.thru(interceptor);}value=value.slice(start,+start+(length?1:0));value.__actions__.push({'func':thru,'args':[interceptor],'thisArg':undefined});return new LodashWrapper(value,this.__chain__).thru(function(array){if(length&&!array.length){array.push(undefined);}return array;});});/** + * Creates a `lodash` wrapper instance with explicit method chain sequences enabled. + * + * @name chain + * @memberOf _ + * @since 0.1.0 + * @category Seq + * @returns {Object} Returns the new `lodash` wrapper instance. + * @example + * + * var users = [ + * { 'user': 'barney', 'age': 36 }, + * { 'user': 'fred', 'age': 40 } + * ]; + * + * // A sequence without explicit chaining. + * _(users).head(); + * // => { 'user': 'barney', 'age': 36 } + * + * // A sequence with explicit chaining. + * _(users) + * .chain() + * .head() + * .pick('user') + * .value(); + * // => { 'user': 'barney' } + */function wrapperChain(){return chain(this);}/** + * Executes the chain sequence and returns the wrapped result. + * + * @name commit + * @memberOf _ + * @since 3.2.0 + * @category Seq + * @returns {Object} Returns the new `lodash` wrapper instance. + * @example + * + * var array = [1, 2]; + * var wrapped = _(array).push(3); + * + * console.log(array); + * // => [1, 2] + * + * wrapped = wrapped.commit(); + * console.log(array); + * // => [1, 2, 3] + * + * wrapped.last(); + * // => 3 + * + * console.log(array); + * // => [1, 2, 3] + */function wrapperCommit(){return new LodashWrapper(this.value(),this.__chain__);}/** + * Gets the next value on a wrapped object following the + * [iterator protocol](https://mdn.io/iteration_protocols#iterator). + * + * @name next + * @memberOf _ + * @since 4.0.0 + * @category Seq + * @returns {Object} Returns the next iterator value. + * @example + * + * var wrapped = _([1, 2]); + * + * wrapped.next(); + * // => { 'done': false, 'value': 1 } + * + * wrapped.next(); + * // => { 'done': false, 'value': 2 } + * + * wrapped.next(); + * // => { 'done': true, 'value': undefined } + */function wrapperNext(){if(this.__values__===undefined){this.__values__=toArray(this.value());}var done=this.__index__>=this.__values__.length,value=done?undefined:this.__values__[this.__index__++];return{'done':done,'value':value};}/** + * Enables the wrapper to be iterable. + * + * @name Symbol.iterator + * @memberOf _ + * @since 4.0.0 + * @category Seq + * @returns {Object} Returns the wrapper object. + * @example + * + * var wrapped = _([1, 2]); + * + * wrapped[Symbol.iterator]() === wrapped; + * // => true + * + * Array.from(wrapped); + * // => [1, 2] + */function wrapperToIterator(){return this;}/** + * Creates a clone of the chain sequence planting `value` as the wrapped value. + * + * @name plant + * @memberOf _ + * @since 3.2.0 + * @category Seq + * @param {*} value The value to plant. + * @returns {Object} Returns the new `lodash` wrapper instance. + * @example + * + * function square(n) { + * return n * n; + * } + * + * var wrapped = _([1, 2]).map(square); + * var other = wrapped.plant([3, 4]); + * + * other.value(); + * // => [9, 16] + * + * wrapped.value(); + * // => [1, 4] + */function wrapperPlant(value){var result,parent=this;while(parent instanceof baseLodash){var clone=wrapperClone(parent);clone.__index__=0;clone.__values__=undefined;if(result){previous.__wrapped__=clone;}else{result=clone;}var previous=clone;parent=parent.__wrapped__;}previous.__wrapped__=value;return result;}/** + * This method is the wrapper version of `_.reverse`. + * + * **Note:** This method mutates the wrapped array. + * + * @name reverse + * @memberOf _ + * @since 0.1.0 + * @category Seq + * @returns {Object} Returns the new `lodash` wrapper instance. + * @example + * + * var array = [1, 2, 3]; + * + * _(array).reverse().value() + * // => [3, 2, 1] + * + * console.log(array); + * // => [3, 2, 1] + */function wrapperReverse(){var value=this.__wrapped__;if(value instanceof LazyWrapper){var wrapped=value;if(this.__actions__.length){wrapped=new LazyWrapper(this);}wrapped=wrapped.reverse();wrapped.__actions__.push({'func':thru,'args':[reverse],'thisArg':undefined});return new LodashWrapper(wrapped,this.__chain__);}return this.thru(reverse);}/** + * Executes the chain sequence to resolve the unwrapped value. + * + * @name value + * @memberOf _ + * @since 0.1.0 + * @alias toJSON, valueOf + * @category Seq + * @returns {*} Returns the resolved unwrapped value. + * @example + * + * _([1, 2, 3]).value(); + * // => [1, 2, 3] + */function wrapperValue(){return baseWrapperValue(this.__wrapped__,this.__actions__);}/*------------------------------------------------------------------------*/ /** + * Creates an object composed of keys generated from the results of running + * each element of `collection` thru `iteratee`. The corresponding value of + * each key is the number of times the key was returned by `iteratee`. The + * iteratee is invoked with one argument: (value). + * + * @static + * @memberOf _ + * @since 0.5.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The iteratee to transform keys. + * @returns {Object} Returns the composed aggregate object. + * @example + * + * _.countBy([6.1, 4.2, 6.3], Math.floor); + * // => { '4': 1, '6': 2 } + * + * // The `_.property` iteratee shorthand. + * _.countBy(['one', 'two', 'three'], 'length'); + * // => { '3': 2, '5': 1 } + */var countBy=createAggregator(function(result,value,key){if(hasOwnProperty.call(result,key)){++result[key];}else{baseAssignValue(result,key,1);}});/** + * Checks if `predicate` returns truthy for **all** elements of `collection`. + * Iteration is stopped once `predicate` returns falsey. The predicate is + * invoked with three arguments: (value, index|key, collection). + * + * **Note:** This method returns `true` for + * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because + * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of + * elements of empty collections. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {boolean} Returns `true` if all elements pass the predicate check, + * else `false`. + * @example + * + * _.every([true, 1, null, 'yes'], Boolean); + * // => false + * + * var users = [ + * { 'user': 'barney', 'age': 36, 'active': false }, + * { 'user': 'fred', 'age': 40, 'active': false } + * ]; + * + * // The `_.matches` iteratee shorthand. + * _.every(users, { 'user': 'barney', 'active': false }); + * // => false + * + * // The `_.matchesProperty` iteratee shorthand. + * _.every(users, ['active', false]); + * // => true + * + * // The `_.property` iteratee shorthand. + * _.every(users, 'active'); + * // => false + */function every(collection,predicate,guard){var func=isArray(collection)?arrayEvery:baseEvery;if(guard&&isIterateeCall(collection,predicate,guard)){predicate=undefined;}return func(collection,getIteratee(predicate,3));}/** + * Iterates over elements of `collection`, returning an array of all elements + * `predicate` returns truthy for. The predicate is invoked with three + * arguments: (value, index|key, collection). + * + * **Note:** Unlike `_.remove`, this method returns a new array. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @returns {Array} Returns the new filtered array. + * @see _.reject + * @example + * + * var users = [ + * { 'user': 'barney', 'age': 36, 'active': true }, + * { 'user': 'fred', 'age': 40, 'active': false } + * ]; + * + * _.filter(users, function(o) { return !o.active; }); + * // => objects for ['fred'] + * + * // The `_.matches` iteratee shorthand. + * _.filter(users, { 'age': 36, 'active': true }); + * // => objects for ['barney'] + * + * // The `_.matchesProperty` iteratee shorthand. + * _.filter(users, ['active', false]); + * // => objects for ['fred'] + * + * // The `_.property` iteratee shorthand. + * _.filter(users, 'active'); + * // => objects for ['barney'] + * + * // Combining several predicates using `_.overEvery` or `_.overSome`. + * _.filter(users, _.overSome([{ 'age': 36 }, ['age', 40]])); + * // => objects for ['fred', 'barney'] + */function filter(collection,predicate){var func=isArray(collection)?arrayFilter:baseFilter;return func(collection,getIteratee(predicate,3));}/** + * Iterates over elements of `collection`, returning the first element + * `predicate` returns truthy for. The predicate is invoked with three + * arguments: (value, index|key, collection). + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to inspect. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @param {number} [fromIndex=0] The index to search from. + * @returns {*} Returns the matched element, else `undefined`. + * @example + * + * var users = [ + * { 'user': 'barney', 'age': 36, 'active': true }, + * { 'user': 'fred', 'age': 40, 'active': false }, + * { 'user': 'pebbles', 'age': 1, 'active': true } + * ]; + * + * _.find(users, function(o) { return o.age < 40; }); + * // => object for 'barney' + * + * // The `_.matches` iteratee shorthand. + * _.find(users, { 'age': 1, 'active': true }); + * // => object for 'pebbles' + * + * // The `_.matchesProperty` iteratee shorthand. + * _.find(users, ['active', false]); + * // => object for 'fred' + * + * // The `_.property` iteratee shorthand. + * _.find(users, 'active'); + * // => object for 'barney' + */var find=createFind(findIndex);/** + * This method is like `_.find` except that it iterates over elements of + * `collection` from right to left. + * + * @static + * @memberOf _ + * @since 2.0.0 + * @category Collection + * @param {Array|Object} collection The collection to inspect. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @param {number} [fromIndex=collection.length-1] The index to search from. + * @returns {*} Returns the matched element, else `undefined`. + * @example + * + * _.findLast([1, 2, 3, 4], function(n) { + * return n % 2 == 1; + * }); + * // => 3 + */var findLast=createFind(findLastIndex);/** + * Creates a flattened array of values by running each element in `collection` + * thru `iteratee` and flattening the mapped results. The iteratee is invoked + * with three arguments: (value, index|key, collection). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Array} Returns the new flattened array. + * @example + * + * function duplicate(n) { + * return [n, n]; + * } + * + * _.flatMap([1, 2], duplicate); + * // => [1, 1, 2, 2] + */function flatMap(collection,iteratee){return baseFlatten(map(collection,iteratee),1);}/** + * This method is like `_.flatMap` except that it recursively flattens the + * mapped results. + * + * @static + * @memberOf _ + * @since 4.7.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Array} Returns the new flattened array. + * @example + * + * function duplicate(n) { + * return [[[n, n]]]; + * } + * + * _.flatMapDeep([1, 2], duplicate); + * // => [1, 1, 2, 2] + */function flatMapDeep(collection,iteratee){return baseFlatten(map(collection,iteratee),INFINITY);}/** + * This method is like `_.flatMap` except that it recursively flattens the + * mapped results up to `depth` times. + * + * @static + * @memberOf _ + * @since 4.7.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @param {number} [depth=1] The maximum recursion depth. + * @returns {Array} Returns the new flattened array. + * @example + * + * function duplicate(n) { + * return [[[n, n]]]; + * } + * + * _.flatMapDepth([1, 2], duplicate, 2); + * // => [[1, 1], [2, 2]] + */function flatMapDepth(collection,iteratee,depth){depth=depth===undefined?1:toInteger(depth);return baseFlatten(map(collection,iteratee),depth);}/** + * Iterates over elements of `collection` and invokes `iteratee` for each element. + * The iteratee is invoked with three arguments: (value, index|key, collection). + * Iteratee functions may exit iteration early by explicitly returning `false`. + * + * **Note:** As with other "Collections" methods, objects with a "length" + * property are iterated like arrays. To avoid this behavior use `_.forIn` + * or `_.forOwn` for object iteration. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @alias each + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Array|Object} Returns `collection`. + * @see _.forEachRight + * @example + * + * _.forEach([1, 2], function(value) { + * console.log(value); + * }); + * // => Logs `1` then `2`. + * + * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) { + * console.log(key); + * }); + * // => Logs 'a' then 'b' (iteration order is not guaranteed). + */function forEach(collection,iteratee){var func=isArray(collection)?arrayEach:baseEach;return func(collection,getIteratee(iteratee,3));}/** + * This method is like `_.forEach` except that it iterates over elements of + * `collection` from right to left. + * + * @static + * @memberOf _ + * @since 2.0.0 + * @alias eachRight + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Array|Object} Returns `collection`. + * @see _.forEach + * @example + * + * _.forEachRight([1, 2], function(value) { + * console.log(value); + * }); + * // => Logs `2` then `1`. + */function forEachRight(collection,iteratee){var func=isArray(collection)?arrayEachRight:baseEachRight;return func(collection,getIteratee(iteratee,3));}/** + * Creates an object composed of keys generated from the results of running + * each element of `collection` thru `iteratee`. The order of grouped values + * is determined by the order they occur in `collection`. The corresponding + * value of each key is an array of elements responsible for generating the + * key. The iteratee is invoked with one argument: (value). + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The iteratee to transform keys. + * @returns {Object} Returns the composed aggregate object. + * @example + * + * _.groupBy([6.1, 4.2, 6.3], Math.floor); + * // => { '4': [4.2], '6': [6.1, 6.3] } + * + * // The `_.property` iteratee shorthand. + * _.groupBy(['one', 'two', 'three'], 'length'); + * // => { '3': ['one', 'two'], '5': ['three'] } + */var groupBy=createAggregator(function(result,value,key){if(hasOwnProperty.call(result,key)){result[key].push(value);}else{baseAssignValue(result,key,[value]);}});/** + * Checks if `value` is in `collection`. If `collection` is a string, it's + * checked for a substring of `value`, otherwise + * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) + * is used for equality comparisons. If `fromIndex` is negative, it's used as + * the offset from the end of `collection`. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object|string} collection The collection to inspect. + * @param {*} value The value to search for. + * @param {number} [fromIndex=0] The index to search from. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`. + * @returns {boolean} Returns `true` if `value` is found, else `false`. + * @example + * + * _.includes([1, 2, 3], 1); + * // => true + * + * _.includes([1, 2, 3], 1, 2); + * // => false + * + * _.includes({ 'a': 1, 'b': 2 }, 1); + * // => true + * + * _.includes('abcd', 'bc'); + * // => true + */function includes(collection,value,fromIndex,guard){collection=isArrayLike(collection)?collection:values(collection);fromIndex=fromIndex&&!guard?toInteger(fromIndex):0;var length=collection.length;if(fromIndex<0){fromIndex=nativeMax(length+fromIndex,0);}return isString(collection)?fromIndex<=length&&collection.indexOf(value,fromIndex)>-1:!!length&&baseIndexOf(collection,value,fromIndex)>-1;}/** + * Invokes the method at `path` of each element in `collection`, returning + * an array of the results of each invoked method. Any additional arguments + * are provided to each invoked method. If `path` is a function, it's invoked + * for, and `this` bound to, each element in `collection`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Array|Function|string} path The path of the method to invoke or + * the function invoked per iteration. + * @param {...*} [args] The arguments to invoke each method with. + * @returns {Array} Returns the array of results. + * @example + * + * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort'); + * // => [[1, 5, 7], [1, 2, 3]] + * + * _.invokeMap([123, 456], String.prototype.split, ''); + * // => [['1', '2', '3'], ['4', '5', '6']] + */var invokeMap=baseRest(function(collection,path,args){var index=-1,isFunc=typeof path=='function',result=isArrayLike(collection)?Array(collection.length):[];baseEach(collection,function(value){result[++index]=isFunc?apply(path,value,args):baseInvoke(value,path,args);});return result;});/** + * Creates an object composed of keys generated from the results of running + * each element of `collection` thru `iteratee`. The corresponding value of + * each key is the last element responsible for generating the key. The + * iteratee is invoked with one argument: (value). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The iteratee to transform keys. + * @returns {Object} Returns the composed aggregate object. + * @example + * + * var array = [ + * { 'dir': 'left', 'code': 97 }, + * { 'dir': 'right', 'code': 100 } + * ]; + * + * _.keyBy(array, function(o) { + * return String.fromCharCode(o.code); + * }); + * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } } + * + * _.keyBy(array, 'dir'); + * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } } + */var keyBy=createAggregator(function(result,value,key){baseAssignValue(result,key,value);});/** + * Creates an array of values by running each element in `collection` thru + * `iteratee`. The iteratee is invoked with three arguments: + * (value, index|key, collection). + * + * Many lodash methods are guarded to work as iteratees for methods like + * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`. + * + * The guarded methods are: + * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`, + * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`, + * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`, + * `template`, `trim`, `trimEnd`, `trimStart`, and `words` + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Array} Returns the new mapped array. + * @example + * + * function square(n) { + * return n * n; + * } + * + * _.map([4, 8], square); + * // => [16, 64] + * + * _.map({ 'a': 4, 'b': 8 }, square); + * // => [16, 64] (iteration order is not guaranteed) + * + * var users = [ + * { 'user': 'barney' }, + * { 'user': 'fred' } + * ]; + * + * // The `_.property` iteratee shorthand. + * _.map(users, 'user'); + * // => ['barney', 'fred'] + */function map(collection,iteratee){var func=isArray(collection)?arrayMap:baseMap;return func(collection,getIteratee(iteratee,3));}/** + * This method is like `_.sortBy` except that it allows specifying the sort + * orders of the iteratees to sort by. If `orders` is unspecified, all values + * are sorted in ascending order. Otherwise, specify an order of "desc" for + * descending or "asc" for ascending sort order of corresponding values. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]] + * The iteratees to sort by. + * @param {string[]} [orders] The sort orders of `iteratees`. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`. + * @returns {Array} Returns the new sorted array. + * @example + * + * var users = [ + * { 'user': 'fred', 'age': 48 }, + * { 'user': 'barney', 'age': 34 }, + * { 'user': 'fred', 'age': 40 }, + * { 'user': 'barney', 'age': 36 } + * ]; + * + * // Sort by `user` in ascending order and by `age` in descending order. + * _.orderBy(users, ['user', 'age'], ['asc', 'desc']); + * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]] + */function orderBy(collection,iteratees,orders,guard){if(collection==null){return[];}if(!isArray(iteratees)){iteratees=iteratees==null?[]:[iteratees];}orders=guard?undefined:orders;if(!isArray(orders)){orders=orders==null?[]:[orders];}return baseOrderBy(collection,iteratees,orders);}/** + * Creates an array of elements split into two groups, the first of which + * contains elements `predicate` returns truthy for, the second of which + * contains elements `predicate` returns falsey for. The predicate is + * invoked with one argument: (value). + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @returns {Array} Returns the array of grouped elements. + * @example + * + * var users = [ + * { 'user': 'barney', 'age': 36, 'active': false }, + * { 'user': 'fred', 'age': 40, 'active': true }, + * { 'user': 'pebbles', 'age': 1, 'active': false } + * ]; + * + * _.partition(users, function(o) { return o.active; }); + * // => objects for [['fred'], ['barney', 'pebbles']] + * + * // The `_.matches` iteratee shorthand. + * _.partition(users, { 'age': 1, 'active': false }); + * // => objects for [['pebbles'], ['barney', 'fred']] + * + * // The `_.matchesProperty` iteratee shorthand. + * _.partition(users, ['active', false]); + * // => objects for [['barney', 'pebbles'], ['fred']] + * + * // The `_.property` iteratee shorthand. + * _.partition(users, 'active'); + * // => objects for [['fred'], ['barney', 'pebbles']] + */var partition=createAggregator(function(result,value,key){result[key?0:1].push(value);},function(){return[[],[]];});/** + * Reduces `collection` to a value which is the accumulated result of running + * each element in `collection` thru `iteratee`, where each successive + * invocation is supplied the return value of the previous. If `accumulator` + * is not given, the first element of `collection` is used as the initial + * value. The iteratee is invoked with four arguments: + * (accumulator, value, index|key, collection). + * + * Many lodash methods are guarded to work as iteratees for methods like + * `_.reduce`, `_.reduceRight`, and `_.transform`. + * + * The guarded methods are: + * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`, + * and `sortBy` + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @param {*} [accumulator] The initial value. + * @returns {*} Returns the accumulated value. + * @see _.reduceRight + * @example + * + * _.reduce([1, 2], function(sum, n) { + * return sum + n; + * }, 0); + * // => 3 + * + * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) { + * (result[value] || (result[value] = [])).push(key); + * return result; + * }, {}); + * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed) + */function reduce(collection,iteratee,accumulator){var func=isArray(collection)?arrayReduce:baseReduce,initAccum=arguments.length<3;return func(collection,getIteratee(iteratee,4),accumulator,initAccum,baseEach);}/** + * This method is like `_.reduce` except that it iterates over elements of + * `collection` from right to left. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @param {*} [accumulator] The initial value. + * @returns {*} Returns the accumulated value. + * @see _.reduce + * @example + * + * var array = [[0, 1], [2, 3], [4, 5]]; + * + * _.reduceRight(array, function(flattened, other) { + * return flattened.concat(other); + * }, []); + * // => [4, 5, 2, 3, 0, 1] + */function reduceRight(collection,iteratee,accumulator){var func=isArray(collection)?arrayReduceRight:baseReduce,initAccum=arguments.length<3;return func(collection,getIteratee(iteratee,4),accumulator,initAccum,baseEachRight);}/** + * The opposite of `_.filter`; this method returns the elements of `collection` + * that `predicate` does **not** return truthy for. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @returns {Array} Returns the new filtered array. + * @see _.filter + * @example + * + * var users = [ + * { 'user': 'barney', 'age': 36, 'active': false }, + * { 'user': 'fred', 'age': 40, 'active': true } + * ]; + * + * _.reject(users, function(o) { return !o.active; }); + * // => objects for ['fred'] + * + * // The `_.matches` iteratee shorthand. + * _.reject(users, { 'age': 40, 'active': true }); + * // => objects for ['barney'] + * + * // The `_.matchesProperty` iteratee shorthand. + * _.reject(users, ['active', false]); + * // => objects for ['fred'] + * + * // The `_.property` iteratee shorthand. + * _.reject(users, 'active'); + * // => objects for ['barney'] + */function reject(collection,predicate){var func=isArray(collection)?arrayFilter:baseFilter;return func(collection,negate(getIteratee(predicate,3)));}/** + * Gets a random element from `collection`. + * + * @static + * @memberOf _ + * @since 2.0.0 + * @category Collection + * @param {Array|Object} collection The collection to sample. + * @returns {*} Returns the random element. + * @example + * + * _.sample([1, 2, 3, 4]); + * // => 2 + */function sample(collection){var func=isArray(collection)?arraySample:baseSample;return func(collection);}/** + * Gets `n` random elements at unique keys from `collection` up to the + * size of `collection`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Collection + * @param {Array|Object} collection The collection to sample. + * @param {number} [n=1] The number of elements to sample. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {Array} Returns the random elements. + * @example + * + * _.sampleSize([1, 2, 3], 2); + * // => [3, 1] + * + * _.sampleSize([1, 2, 3], 4); + * // => [2, 3, 1] + */function sampleSize(collection,n,guard){if(guard?isIterateeCall(collection,n,guard):n===undefined){n=1;}else{n=toInteger(n);}var func=isArray(collection)?arraySampleSize:baseSampleSize;return func(collection,n);}/** + * Creates an array of shuffled values, using a version of the + * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle). + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to shuffle. + * @returns {Array} Returns the new shuffled array. + * @example + * + * _.shuffle([1, 2, 3, 4]); + * // => [4, 1, 3, 2] + */function shuffle(collection){var func=isArray(collection)?arrayShuffle:baseShuffle;return func(collection);}/** + * Gets the size of `collection` by returning its length for array-like + * values or the number of own enumerable string keyed properties for objects. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object|string} collection The collection to inspect. + * @returns {number} Returns the collection size. + * @example + * + * _.size([1, 2, 3]); + * // => 3 + * + * _.size({ 'a': 1, 'b': 2 }); + * // => 2 + * + * _.size('pebbles'); + * // => 7 + */function size(collection){if(collection==null){return 0;}if(isArrayLike(collection)){return isString(collection)?stringSize(collection):collection.length;}var tag=getTag(collection);if(tag==mapTag||tag==setTag){return collection.size;}return baseKeys(collection).length;}/** + * Checks if `predicate` returns truthy for **any** element of `collection`. + * Iteration is stopped once `predicate` returns truthy. The predicate is + * invoked with three arguments: (value, index|key, collection). + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {boolean} Returns `true` if any element passes the predicate check, + * else `false`. + * @example + * + * _.some([null, 0, 'yes', false], Boolean); + * // => true + * + * var users = [ + * { 'user': 'barney', 'active': true }, + * { 'user': 'fred', 'active': false } + * ]; + * + * // The `_.matches` iteratee shorthand. + * _.some(users, { 'user': 'barney', 'active': false }); + * // => false + * + * // The `_.matchesProperty` iteratee shorthand. + * _.some(users, ['active', false]); + * // => true + * + * // The `_.property` iteratee shorthand. + * _.some(users, 'active'); + * // => true + */function some(collection,predicate,guard){var func=isArray(collection)?arraySome:baseSome;if(guard&&isIterateeCall(collection,predicate,guard)){predicate=undefined;}return func(collection,getIteratee(predicate,3));}/** + * Creates an array of elements, sorted in ascending order by the results of + * running each element in a collection thru each iteratee. This method + * performs a stable sort, that is, it preserves the original sort order of + * equal elements. The iteratees are invoked with one argument: (value). + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {...(Function|Function[])} [iteratees=[_.identity]] + * The iteratees to sort by. + * @returns {Array} Returns the new sorted array. + * @example + * + * var users = [ + * { 'user': 'fred', 'age': 48 }, + * { 'user': 'barney', 'age': 36 }, + * { 'user': 'fred', 'age': 30 }, + * { 'user': 'barney', 'age': 34 } + * ]; + * + * _.sortBy(users, [function(o) { return o.user; }]); + * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 30]] + * + * _.sortBy(users, ['user', 'age']); + * // => objects for [['barney', 34], ['barney', 36], ['fred', 30], ['fred', 48]] + */var sortBy=baseRest(function(collection,iteratees){if(collection==null){return[];}var length=iteratees.length;if(length>1&&isIterateeCall(collection,iteratees[0],iteratees[1])){iteratees=[];}else if(length>2&&isIterateeCall(iteratees[0],iteratees[1],iteratees[2])){iteratees=[iteratees[0]];}return baseOrderBy(collection,baseFlatten(iteratees,1),[]);});/*------------------------------------------------------------------------*/ /** + * Gets the timestamp of the number of milliseconds that have elapsed since + * the Unix epoch (1 January 1970 00:00:00 UTC). + * + * @static + * @memberOf _ + * @since 2.4.0 + * @category Date + * @returns {number} Returns the timestamp. + * @example + * + * _.defer(function(stamp) { + * console.log(_.now() - stamp); + * }, _.now()); + * // => Logs the number of milliseconds it took for the deferred invocation. + */var now=ctxNow||function(){return root.Date.now();};/*------------------------------------------------------------------------*/ /** + * The opposite of `_.before`; this method creates a function that invokes + * `func` once it's called `n` or more times. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Function + * @param {number} n The number of calls before `func` is invoked. + * @param {Function} func The function to restrict. + * @returns {Function} Returns the new restricted function. + * @example + * + * var saves = ['profile', 'settings']; + * + * var done = _.after(saves.length, function() { + * console.log('done saving!'); + * }); + * + * _.forEach(saves, function(type) { + * asyncSave({ 'type': type, 'complete': done }); + * }); + * // => Logs 'done saving!' after the two async saves have completed. + */function after(n,func){if(typeof func!='function'){throw new TypeError(FUNC_ERROR_TEXT);}n=toInteger(n);return function(){if(--n<1){return func.apply(this,arguments);}};}/** + * Creates a function that invokes `func`, with up to `n` arguments, + * ignoring any additional arguments. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Function + * @param {Function} func The function to cap arguments for. + * @param {number} [n=func.length] The arity cap. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {Function} Returns the new capped function. + * @example + * + * _.map(['6', '8', '10'], _.ary(parseInt, 1)); + * // => [6, 8, 10] + */function ary(func,n,guard){n=guard?undefined:n;n=func&&n==null?func.length:n;return createWrap(func,WRAP_ARY_FLAG,undefined,undefined,undefined,undefined,n);}/** + * Creates a function that invokes `func`, with the `this` binding and arguments + * of the created function, while it's called less than `n` times. Subsequent + * calls to the created function return the result of the last `func` invocation. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Function + * @param {number} n The number of calls at which `func` is no longer invoked. + * @param {Function} func The function to restrict. + * @returns {Function} Returns the new restricted function. + * @example + * + * jQuery(element).on('click', _.before(5, addContactToList)); + * // => Allows adding up to 4 contacts to the list. + */function before(n,func){var result;if(typeof func!='function'){throw new TypeError(FUNC_ERROR_TEXT);}n=toInteger(n);return function(){if(--n>0){result=func.apply(this,arguments);}if(n<=1){func=undefined;}return result;};}/** + * Creates a function that invokes `func` with the `this` binding of `thisArg` + * and `partials` prepended to the arguments it receives. + * + * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds, + * may be used as a placeholder for partially applied arguments. + * + * **Note:** Unlike native `Function#bind`, this method doesn't set the "length" + * property of bound functions. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Function + * @param {Function} func The function to bind. + * @param {*} thisArg The `this` binding of `func`. + * @param {...*} [partials] The arguments to be partially applied. + * @returns {Function} Returns the new bound function. + * @example + * + * function greet(greeting, punctuation) { + * return greeting + ' ' + this.user + punctuation; + * } + * + * var object = { 'user': 'fred' }; + * + * var bound = _.bind(greet, object, 'hi'); + * bound('!'); + * // => 'hi fred!' + * + * // Bound with placeholders. + * var bound = _.bind(greet, object, _, '!'); + * bound('hi'); + * // => 'hi fred!' + */var bind=baseRest(function(func,thisArg,partials){var bitmask=WRAP_BIND_FLAG;if(partials.length){var holders=replaceHolders(partials,getHolder(bind));bitmask|=WRAP_PARTIAL_FLAG;}return createWrap(func,bitmask,thisArg,partials,holders);});/** + * Creates a function that invokes the method at `object[key]` with `partials` + * prepended to the arguments it receives. + * + * This method differs from `_.bind` by allowing bound functions to reference + * methods that may be redefined or don't yet exist. See + * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern) + * for more details. + * + * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic + * builds, may be used as a placeholder for partially applied arguments. + * + * @static + * @memberOf _ + * @since 0.10.0 + * @category Function + * @param {Object} object The object to invoke the method on. + * @param {string} key The key of the method. + * @param {...*} [partials] The arguments to be partially applied. + * @returns {Function} Returns the new bound function. + * @example + * + * var object = { + * 'user': 'fred', + * 'greet': function(greeting, punctuation) { + * return greeting + ' ' + this.user + punctuation; + * } + * }; + * + * var bound = _.bindKey(object, 'greet', 'hi'); + * bound('!'); + * // => 'hi fred!' + * + * object.greet = function(greeting, punctuation) { + * return greeting + 'ya ' + this.user + punctuation; + * }; + * + * bound('!'); + * // => 'hiya fred!' + * + * // Bound with placeholders. + * var bound = _.bindKey(object, 'greet', _, '!'); + * bound('hi'); + * // => 'hiya fred!' + */var bindKey=baseRest(function(object,key,partials){var bitmask=WRAP_BIND_FLAG|WRAP_BIND_KEY_FLAG;if(partials.length){var holders=replaceHolders(partials,getHolder(bindKey));bitmask|=WRAP_PARTIAL_FLAG;}return createWrap(key,bitmask,object,partials,holders);});/** + * Creates a function that accepts arguments of `func` and either invokes + * `func` returning its result, if at least `arity` number of arguments have + * been provided, or returns a function that accepts the remaining `func` + * arguments, and so on. The arity of `func` may be specified if `func.length` + * is not sufficient. + * + * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds, + * may be used as a placeholder for provided arguments. + * + * **Note:** This method doesn't set the "length" property of curried functions. + * + * @static + * @memberOf _ + * @since 2.0.0 + * @category Function + * @param {Function} func The function to curry. + * @param {number} [arity=func.length] The arity of `func`. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {Function} Returns the new curried function. + * @example + * + * var abc = function(a, b, c) { + * return [a, b, c]; + * }; + * + * var curried = _.curry(abc); + * + * curried(1)(2)(3); + * // => [1, 2, 3] + * + * curried(1, 2)(3); + * // => [1, 2, 3] + * + * curried(1, 2, 3); + * // => [1, 2, 3] + * + * // Curried with placeholders. + * curried(1)(_, 3)(2); + * // => [1, 2, 3] + */function curry(func,arity,guard){arity=guard?undefined:arity;var result=createWrap(func,WRAP_CURRY_FLAG,undefined,undefined,undefined,undefined,undefined,arity);result.placeholder=curry.placeholder;return result;}/** + * This method is like `_.curry` except that arguments are applied to `func` + * in the manner of `_.partialRight` instead of `_.partial`. + * + * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic + * builds, may be used as a placeholder for provided arguments. + * + * **Note:** This method doesn't set the "length" property of curried functions. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Function + * @param {Function} func The function to curry. + * @param {number} [arity=func.length] The arity of `func`. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {Function} Returns the new curried function. + * @example + * + * var abc = function(a, b, c) { + * return [a, b, c]; + * }; + * + * var curried = _.curryRight(abc); + * + * curried(3)(2)(1); + * // => [1, 2, 3] + * + * curried(2, 3)(1); + * // => [1, 2, 3] + * + * curried(1, 2, 3); + * // => [1, 2, 3] + * + * // Curried with placeholders. + * curried(3)(1, _)(2); + * // => [1, 2, 3] + */function curryRight(func,arity,guard){arity=guard?undefined:arity;var result=createWrap(func,WRAP_CURRY_RIGHT_FLAG,undefined,undefined,undefined,undefined,undefined,arity);result.placeholder=curryRight.placeholder;return result;}/** + * Creates a debounced function that delays invoking `func` until after `wait` + * milliseconds have elapsed since the last time the debounced function was + * invoked. The debounced function comes with a `cancel` method to cancel + * delayed `func` invocations and a `flush` method to immediately invoke them. + * Provide `options` to indicate whether `func` should be invoked on the + * leading and/or trailing edge of the `wait` timeout. The `func` is invoked + * with the last arguments provided to the debounced function. Subsequent + * calls to the debounced function return the result of the last `func` + * invocation. + * + * **Note:** If `leading` and `trailing` options are `true`, `func` is + * invoked on the trailing edge of the timeout only if the debounced function + * is invoked more than once during the `wait` timeout. + * + * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred + * until to the next tick, similar to `setTimeout` with a timeout of `0`. + * + * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/) + * for details over the differences between `_.debounce` and `_.throttle`. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Function + * @param {Function} func The function to debounce. + * @param {number} [wait=0] The number of milliseconds to delay. + * @param {Object} [options={}] The options object. + * @param {boolean} [options.leading=false] + * Specify invoking on the leading edge of the timeout. + * @param {number} [options.maxWait] + * The maximum time `func` is allowed to be delayed before it's invoked. + * @param {boolean} [options.trailing=true] + * Specify invoking on the trailing edge of the timeout. + * @returns {Function} Returns the new debounced function. + * @example + * + * // Avoid costly calculations while the window size is in flux. + * jQuery(window).on('resize', _.debounce(calculateLayout, 150)); + * + * // Invoke `sendMail` when clicked, debouncing subsequent calls. + * jQuery(element).on('click', _.debounce(sendMail, 300, { + * 'leading': true, + * 'trailing': false + * })); + * + * // Ensure `batchLog` is invoked once after 1 second of debounced calls. + * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 }); + * var source = new EventSource('/stream'); + * jQuery(source).on('message', debounced); + * + * // Cancel the trailing debounced invocation. + * jQuery(window).on('popstate', debounced.cancel); + */function debounce(func,wait,options){var lastArgs,lastThis,maxWait,result,timerId,lastCallTime,lastInvokeTime=0,leading=false,maxing=false,trailing=true;if(typeof func!='function'){throw new TypeError(FUNC_ERROR_TEXT);}wait=toNumber(wait)||0;if(isObject(options)){leading=!!options.leading;maxing='maxWait'in options;maxWait=maxing?nativeMax(toNumber(options.maxWait)||0,wait):maxWait;trailing='trailing'in options?!!options.trailing:trailing;}function invokeFunc(time){var args=lastArgs,thisArg=lastThis;lastArgs=lastThis=undefined;lastInvokeTime=time;result=func.apply(thisArg,args);return result;}function leadingEdge(time){// Reset any `maxWait` timer. +lastInvokeTime=time;// Start the timer for the trailing edge. +timerId=setTimeout(timerExpired,wait);// Invoke the leading edge. +return leading?invokeFunc(time):result;}function remainingWait(time){var timeSinceLastCall=time-lastCallTime,timeSinceLastInvoke=time-lastInvokeTime,timeWaiting=wait-timeSinceLastCall;return maxing?nativeMin(timeWaiting,maxWait-timeSinceLastInvoke):timeWaiting;}function shouldInvoke(time){var timeSinceLastCall=time-lastCallTime,timeSinceLastInvoke=time-lastInvokeTime;// Either this is the first call, activity has stopped and we're at the +// trailing edge, the system time has gone backwards and we're treating +// it as the trailing edge, or we've hit the `maxWait` limit. +return lastCallTime===undefined||timeSinceLastCall>=wait||timeSinceLastCall<0||maxing&&timeSinceLastInvoke>=maxWait;}function timerExpired(){var time=now();if(shouldInvoke(time)){return trailingEdge(time);}// Restart the timer. +timerId=setTimeout(timerExpired,remainingWait(time));}function trailingEdge(time){timerId=undefined;// Only invoke if we have `lastArgs` which means `func` has been +// debounced at least once. +if(trailing&&lastArgs){return invokeFunc(time);}lastArgs=lastThis=undefined;return result;}function cancel(){if(timerId!==undefined){clearTimeout(timerId);}lastInvokeTime=0;lastArgs=lastCallTime=lastThis=timerId=undefined;}function flush(){return timerId===undefined?result:trailingEdge(now());}function debounced(){var time=now(),isInvoking=shouldInvoke(time);lastArgs=arguments;lastThis=this;lastCallTime=time;if(isInvoking){if(timerId===undefined){return leadingEdge(lastCallTime);}if(maxing){// Handle invocations in a tight loop. +clearTimeout(timerId);timerId=setTimeout(timerExpired,wait);return invokeFunc(lastCallTime);}}if(timerId===undefined){timerId=setTimeout(timerExpired,wait);}return result;}debounced.cancel=cancel;debounced.flush=flush;return debounced;}/** + * Defers invoking the `func` until the current call stack has cleared. Any + * additional arguments are provided to `func` when it's invoked. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Function + * @param {Function} func The function to defer. + * @param {...*} [args] The arguments to invoke `func` with. + * @returns {number} Returns the timer id. + * @example + * + * _.defer(function(text) { + * console.log(text); + * }, 'deferred'); + * // => Logs 'deferred' after one millisecond. + */var defer=baseRest(function(func,args){return baseDelay(func,1,args);});/** + * Invokes `func` after `wait` milliseconds. Any additional arguments are + * provided to `func` when it's invoked. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Function + * @param {Function} func The function to delay. + * @param {number} wait The number of milliseconds to delay invocation. + * @param {...*} [args] The arguments to invoke `func` with. + * @returns {number} Returns the timer id. + * @example + * + * _.delay(function(text) { + * console.log(text); + * }, 1000, 'later'); + * // => Logs 'later' after one second. + */var delay=baseRest(function(func,wait,args){return baseDelay(func,toNumber(wait)||0,args);});/** + * Creates a function that invokes `func` with arguments reversed. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Function + * @param {Function} func The function to flip arguments for. + * @returns {Function} Returns the new flipped function. + * @example + * + * var flipped = _.flip(function() { + * return _.toArray(arguments); + * }); + * + * flipped('a', 'b', 'c', 'd'); + * // => ['d', 'c', 'b', 'a'] + */function flip(func){return createWrap(func,WRAP_FLIP_FLAG);}/** + * Creates a function that memoizes the result of `func`. If `resolver` is + * provided, it determines the cache key for storing the result based on the + * arguments provided to the memoized function. By default, the first argument + * provided to the memoized function is used as the map cache key. The `func` + * is invoked with the `this` binding of the memoized function. + * + * **Note:** The cache is exposed as the `cache` property on the memoized + * function. Its creation may be customized by replacing the `_.memoize.Cache` + * constructor with one whose instances implement the + * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object) + * method interface of `clear`, `delete`, `get`, `has`, and `set`. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Function + * @param {Function} func The function to have its output memoized. + * @param {Function} [resolver] The function to resolve the cache key. + * @returns {Function} Returns the new memoized function. + * @example + * + * var object = { 'a': 1, 'b': 2 }; + * var other = { 'c': 3, 'd': 4 }; + * + * var values = _.memoize(_.values); + * values(object); + * // => [1, 2] + * + * values(other); + * // => [3, 4] + * + * object.a = 2; + * values(object); + * // => [1, 2] + * + * // Modify the result cache. + * values.cache.set(object, ['a', 'b']); + * values(object); + * // => ['a', 'b'] + * + * // Replace `_.memoize.Cache`. + * _.memoize.Cache = WeakMap; + */function memoize(func,resolver){if(typeof func!='function'||resolver!=null&&typeof resolver!='function'){throw new TypeError(FUNC_ERROR_TEXT);}var memoized=function(){var args=arguments,key=resolver?resolver.apply(this,args):args[0],cache=memoized.cache;if(cache.has(key)){return cache.get(key);}var result=func.apply(this,args);memoized.cache=cache.set(key,result)||cache;return result;};memoized.cache=new(memoize.Cache||MapCache)();return memoized;}// Expose `MapCache`. +memoize.Cache=MapCache;/** + * Creates a function that negates the result of the predicate `func`. The + * `func` predicate is invoked with the `this` binding and arguments of the + * created function. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Function + * @param {Function} predicate The predicate to negate. + * @returns {Function} Returns the new negated function. + * @example + * + * function isEven(n) { + * return n % 2 == 0; + * } + * + * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven)); + * // => [1, 3, 5] + */function negate(predicate){if(typeof predicate!='function'){throw new TypeError(FUNC_ERROR_TEXT);}return function(){var args=arguments;switch(args.length){case 0:return!predicate.call(this);case 1:return!predicate.call(this,args[0]);case 2:return!predicate.call(this,args[0],args[1]);case 3:return!predicate.call(this,args[0],args[1],args[2]);}return!predicate.apply(this,args);};}/** + * Creates a function that is restricted to invoking `func` once. Repeat calls + * to the function return the value of the first invocation. The `func` is + * invoked with the `this` binding and arguments of the created function. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Function + * @param {Function} func The function to restrict. + * @returns {Function} Returns the new restricted function. + * @example + * + * var initialize = _.once(createApplication); + * initialize(); + * initialize(); + * // => `createApplication` is invoked once + */function once(func){return before(2,func);}/** + * Creates a function that invokes `func` with its arguments transformed. + * + * @static + * @since 4.0.0 + * @memberOf _ + * @category Function + * @param {Function} func The function to wrap. + * @param {...(Function|Function[])} [transforms=[_.identity]] + * The argument transforms. + * @returns {Function} Returns the new function. + * @example + * + * function doubled(n) { + * return n * 2; + * } + * + * function square(n) { + * return n * n; + * } + * + * var func = _.overArgs(function(x, y) { + * return [x, y]; + * }, [square, doubled]); + * + * func(9, 3); + * // => [81, 6] + * + * func(10, 5); + * // => [100, 10] + */var overArgs=castRest(function(func,transforms){transforms=transforms.length==1&&isArray(transforms[0])?arrayMap(transforms[0],baseUnary(getIteratee())):arrayMap(baseFlatten(transforms,1),baseUnary(getIteratee()));var funcsLength=transforms.length;return baseRest(function(args){var index=-1,length=nativeMin(args.length,funcsLength);while(++index 'hello fred' + * + * // Partially applied with placeholders. + * var greetFred = _.partial(greet, _, 'fred'); + * greetFred('hi'); + * // => 'hi fred' + */var partial=baseRest(function(func,partials){var holders=replaceHolders(partials,getHolder(partial));return createWrap(func,WRAP_PARTIAL_FLAG,undefined,partials,holders);});/** + * This method is like `_.partial` except that partially applied arguments + * are appended to the arguments it receives. + * + * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic + * builds, may be used as a placeholder for partially applied arguments. + * + * **Note:** This method doesn't set the "length" property of partially + * applied functions. + * + * @static + * @memberOf _ + * @since 1.0.0 + * @category Function + * @param {Function} func The function to partially apply arguments to. + * @param {...*} [partials] The arguments to be partially applied. + * @returns {Function} Returns the new partially applied function. + * @example + * + * function greet(greeting, name) { + * return greeting + ' ' + name; + * } + * + * var greetFred = _.partialRight(greet, 'fred'); + * greetFred('hi'); + * // => 'hi fred' + * + * // Partially applied with placeholders. + * var sayHelloTo = _.partialRight(greet, 'hello', _); + * sayHelloTo('fred'); + * // => 'hello fred' + */var partialRight=baseRest(function(func,partials){var holders=replaceHolders(partials,getHolder(partialRight));return createWrap(func,WRAP_PARTIAL_RIGHT_FLAG,undefined,partials,holders);});/** + * Creates a function that invokes `func` with arguments arranged according + * to the specified `indexes` where the argument value at the first index is + * provided as the first argument, the argument value at the second index is + * provided as the second argument, and so on. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Function + * @param {Function} func The function to rearrange arguments for. + * @param {...(number|number[])} indexes The arranged argument indexes. + * @returns {Function} Returns the new function. + * @example + * + * var rearged = _.rearg(function(a, b, c) { + * return [a, b, c]; + * }, [2, 0, 1]); + * + * rearged('b', 'c', 'a') + * // => ['a', 'b', 'c'] + */var rearg=flatRest(function(func,indexes){return createWrap(func,WRAP_REARG_FLAG,undefined,undefined,undefined,indexes);});/** + * Creates a function that invokes `func` with the `this` binding of the + * created function and arguments from `start` and beyond provided as + * an array. + * + * **Note:** This method is based on the + * [rest parameter](https://mdn.io/rest_parameters). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Function + * @param {Function} func The function to apply a rest parameter to. + * @param {number} [start=func.length-1] The start position of the rest parameter. + * @returns {Function} Returns the new function. + * @example + * + * var say = _.rest(function(what, names) { + * return what + ' ' + _.initial(names).join(', ') + + * (_.size(names) > 1 ? ', & ' : '') + _.last(names); + * }); + * + * say('hello', 'fred', 'barney', 'pebbles'); + * // => 'hello fred, barney, & pebbles' + */function rest(func,start){if(typeof func!='function'){throw new TypeError(FUNC_ERROR_TEXT);}start=start===undefined?start:toInteger(start);return baseRest(func,start);}/** + * Creates a function that invokes `func` with the `this` binding of the + * create function and an array of arguments much like + * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply). + * + * **Note:** This method is based on the + * [spread operator](https://mdn.io/spread_operator). + * + * @static + * @memberOf _ + * @since 3.2.0 + * @category Function + * @param {Function} func The function to spread arguments over. + * @param {number} [start=0] The start position of the spread. + * @returns {Function} Returns the new function. + * @example + * + * var say = _.spread(function(who, what) { + * return who + ' says ' + what; + * }); + * + * say(['fred', 'hello']); + * // => 'fred says hello' + * + * var numbers = Promise.all([ + * Promise.resolve(40), + * Promise.resolve(36) + * ]); + * + * numbers.then(_.spread(function(x, y) { + * return x + y; + * })); + * // => a Promise of 76 + */function spread(func,start){if(typeof func!='function'){throw new TypeError(FUNC_ERROR_TEXT);}start=start==null?0:nativeMax(toInteger(start),0);return baseRest(function(args){var array=args[start],otherArgs=castSlice(args,0,start);if(array){arrayPush(otherArgs,array);}return apply(func,this,otherArgs);});}/** + * Creates a throttled function that only invokes `func` at most once per + * every `wait` milliseconds. The throttled function comes with a `cancel` + * method to cancel delayed `func` invocations and a `flush` method to + * immediately invoke them. Provide `options` to indicate whether `func` + * should be invoked on the leading and/or trailing edge of the `wait` + * timeout. The `func` is invoked with the last arguments provided to the + * throttled function. Subsequent calls to the throttled function return the + * result of the last `func` invocation. + * + * **Note:** If `leading` and `trailing` options are `true`, `func` is + * invoked on the trailing edge of the timeout only if the throttled function + * is invoked more than once during the `wait` timeout. + * + * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred + * until to the next tick, similar to `setTimeout` with a timeout of `0`. + * + * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/) + * for details over the differences between `_.throttle` and `_.debounce`. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Function + * @param {Function} func The function to throttle. + * @param {number} [wait=0] The number of milliseconds to throttle invocations to. + * @param {Object} [options={}] The options object. + * @param {boolean} [options.leading=true] + * Specify invoking on the leading edge of the timeout. + * @param {boolean} [options.trailing=true] + * Specify invoking on the trailing edge of the timeout. + * @returns {Function} Returns the new throttled function. + * @example + * + * // Avoid excessively updating the position while scrolling. + * jQuery(window).on('scroll', _.throttle(updatePosition, 100)); + * + * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes. + * var throttled = _.throttle(renewToken, 300000, { 'trailing': false }); + * jQuery(element).on('click', throttled); + * + * // Cancel the trailing throttled invocation. + * jQuery(window).on('popstate', throttled.cancel); + */function throttle(func,wait,options){var leading=true,trailing=true;if(typeof func!='function'){throw new TypeError(FUNC_ERROR_TEXT);}if(isObject(options)){leading='leading'in options?!!options.leading:leading;trailing='trailing'in options?!!options.trailing:trailing;}return debounce(func,wait,{'leading':leading,'maxWait':wait,'trailing':trailing});}/** + * Creates a function that accepts up to one argument, ignoring any + * additional arguments. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Function + * @param {Function} func The function to cap arguments for. + * @returns {Function} Returns the new capped function. + * @example + * + * _.map(['6', '8', '10'], _.unary(parseInt)); + * // => [6, 8, 10] + */function unary(func){return ary(func,1);}/** + * Creates a function that provides `value` to `wrapper` as its first + * argument. Any additional arguments provided to the function are appended + * to those provided to the `wrapper`. The wrapper is invoked with the `this` + * binding of the created function. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Function + * @param {*} value The value to wrap. + * @param {Function} [wrapper=identity] The wrapper function. + * @returns {Function} Returns the new function. + * @example + * + * var p = _.wrap(_.escape, function(func, text) { + * return '

' + func(text) + '

'; + * }); + * + * p('fred, barney, & pebbles'); + * // => '

fred, barney, & pebbles

' + */function wrap(value,wrapper){return partial(castFunction(wrapper),value);}/*------------------------------------------------------------------------*/ /** + * Casts `value` as an array if it's not one. + * + * @static + * @memberOf _ + * @since 4.4.0 + * @category Lang + * @param {*} value The value to inspect. + * @returns {Array} Returns the cast array. + * @example + * + * _.castArray(1); + * // => [1] + * + * _.castArray({ 'a': 1 }); + * // => [{ 'a': 1 }] + * + * _.castArray('abc'); + * // => ['abc'] + * + * _.castArray(null); + * // => [null] + * + * _.castArray(undefined); + * // => [undefined] + * + * _.castArray(); + * // => [] + * + * var array = [1, 2, 3]; + * console.log(_.castArray(array) === array); + * // => true + */function castArray(){if(!arguments.length){return[];}var value=arguments[0];return isArray(value)?value:[value];}/** + * Creates a shallow clone of `value`. + * + * **Note:** This method is loosely based on the + * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm) + * and supports cloning arrays, array buffers, booleans, date objects, maps, + * numbers, `Object` objects, regexes, sets, strings, symbols, and typed + * arrays. The own enumerable properties of `arguments` objects are cloned + * as plain objects. An empty object is returned for uncloneable values such + * as error objects, functions, DOM nodes, and WeakMaps. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to clone. + * @returns {*} Returns the cloned value. + * @see _.cloneDeep + * @example + * + * var objects = [{ 'a': 1 }, { 'b': 2 }]; + * + * var shallow = _.clone(objects); + * console.log(shallow[0] === objects[0]); + * // => true + */function clone(value){return baseClone(value,CLONE_SYMBOLS_FLAG);}/** + * This method is like `_.clone` except that it accepts `customizer` which + * is invoked to produce the cloned value. If `customizer` returns `undefined`, + * cloning is handled by the method instead. The `customizer` is invoked with + * up to four arguments; (value [, index|key, object, stack]). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to clone. + * @param {Function} [customizer] The function to customize cloning. + * @returns {*} Returns the cloned value. + * @see _.cloneDeepWith + * @example + * + * function customizer(value) { + * if (_.isElement(value)) { + * return value.cloneNode(false); + * } + * } + * + * var el = _.cloneWith(document.body, customizer); + * + * console.log(el === document.body); + * // => false + * console.log(el.nodeName); + * // => 'BODY' + * console.log(el.childNodes.length); + * // => 0 + */function cloneWith(value,customizer){customizer=typeof customizer=='function'?customizer:undefined;return baseClone(value,CLONE_SYMBOLS_FLAG,customizer);}/** + * This method is like `_.clone` except that it recursively clones `value`. + * + * @static + * @memberOf _ + * @since 1.0.0 + * @category Lang + * @param {*} value The value to recursively clone. + * @returns {*} Returns the deep cloned value. + * @see _.clone + * @example + * + * var objects = [{ 'a': 1 }, { 'b': 2 }]; + * + * var deep = _.cloneDeep(objects); + * console.log(deep[0] === objects[0]); + * // => false + */function cloneDeep(value){return baseClone(value,CLONE_DEEP_FLAG|CLONE_SYMBOLS_FLAG);}/** + * This method is like `_.cloneWith` except that it recursively clones `value`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to recursively clone. + * @param {Function} [customizer] The function to customize cloning. + * @returns {*} Returns the deep cloned value. + * @see _.cloneWith + * @example + * + * function customizer(value) { + * if (_.isElement(value)) { + * return value.cloneNode(true); + * } + * } + * + * var el = _.cloneDeepWith(document.body, customizer); + * + * console.log(el === document.body); + * // => false + * console.log(el.nodeName); + * // => 'BODY' + * console.log(el.childNodes.length); + * // => 20 + */function cloneDeepWith(value,customizer){customizer=typeof customizer=='function'?customizer:undefined;return baseClone(value,CLONE_DEEP_FLAG|CLONE_SYMBOLS_FLAG,customizer);}/** + * Checks if `object` conforms to `source` by invoking the predicate + * properties of `source` with the corresponding property values of `object`. + * + * **Note:** This method is equivalent to `_.conforms` when `source` is + * partially applied. + * + * @static + * @memberOf _ + * @since 4.14.0 + * @category Lang + * @param {Object} object The object to inspect. + * @param {Object} source The object of property predicates to conform to. + * @returns {boolean} Returns `true` if `object` conforms, else `false`. + * @example + * + * var object = { 'a': 1, 'b': 2 }; + * + * _.conformsTo(object, { 'b': function(n) { return n > 1; } }); + * // => true + * + * _.conformsTo(object, { 'b': function(n) { return n > 2; } }); + * // => false + */function conformsTo(object,source){return source==null||baseConformsTo(object,source,keys(source));}/** + * Performs a + * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) + * comparison between two values to determine if they are equivalent. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to compare. + * @param {*} other The other value to compare. + * @returns {boolean} Returns `true` if the values are equivalent, else `false`. + * @example + * + * var object = { 'a': 1 }; + * var other = { 'a': 1 }; + * + * _.eq(object, object); + * // => true + * + * _.eq(object, other); + * // => false + * + * _.eq('a', 'a'); + * // => true + * + * _.eq('a', Object('a')); + * // => false + * + * _.eq(NaN, NaN); + * // => true + */function eq(value,other){return value===other||value!==value&&other!==other;}/** + * Checks if `value` is greater than `other`. + * + * @static + * @memberOf _ + * @since 3.9.0 + * @category Lang + * @param {*} value The value to compare. + * @param {*} other The other value to compare. + * @returns {boolean} Returns `true` if `value` is greater than `other`, + * else `false`. + * @see _.lt + * @example + * + * _.gt(3, 1); + * // => true + * + * _.gt(3, 3); + * // => false + * + * _.gt(1, 3); + * // => false + */var gt=createRelationalOperation(baseGt);/** + * Checks if `value` is greater than or equal to `other`. + * + * @static + * @memberOf _ + * @since 3.9.0 + * @category Lang + * @param {*} value The value to compare. + * @param {*} other The other value to compare. + * @returns {boolean} Returns `true` if `value` is greater than or equal to + * `other`, else `false`. + * @see _.lte + * @example + * + * _.gte(3, 1); + * // => true + * + * _.gte(3, 3); + * // => true + * + * _.gte(1, 3); + * // => false + */var gte=createRelationalOperation(function(value,other){return value>=other;});/** + * Checks if `value` is likely an `arguments` object. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an `arguments` object, + * else `false`. + * @example + * + * _.isArguments(function() { return arguments; }()); + * // => true + * + * _.isArguments([1, 2, 3]); + * // => false + */var isArguments=baseIsArguments(function(){return arguments;}())?baseIsArguments:function(value){return isObjectLike(value)&&hasOwnProperty.call(value,'callee')&&!propertyIsEnumerable.call(value,'callee');};/** + * Checks if `value` is classified as an `Array` object. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an array, else `false`. + * @example + * + * _.isArray([1, 2, 3]); + * // => true + * + * _.isArray(document.body.children); + * // => false + * + * _.isArray('abc'); + * // => false + * + * _.isArray(_.noop); + * // => false + */var isArray=Array.isArray;/** + * Checks if `value` is classified as an `ArrayBuffer` object. + * + * @static + * @memberOf _ + * @since 4.3.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`. + * @example + * + * _.isArrayBuffer(new ArrayBuffer(2)); + * // => true + * + * _.isArrayBuffer(new Array(2)); + * // => false + */var isArrayBuffer=nodeIsArrayBuffer?baseUnary(nodeIsArrayBuffer):baseIsArrayBuffer;/** + * Checks if `value` is array-like. A value is considered array-like if it's + * not a function and has a `value.length` that's an integer greater than or + * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is array-like, else `false`. + * @example + * + * _.isArrayLike([1, 2, 3]); + * // => true + * + * _.isArrayLike(document.body.children); + * // => true + * + * _.isArrayLike('abc'); + * // => true + * + * _.isArrayLike(_.noop); + * // => false + */function isArrayLike(value){return value!=null&&isLength(value.length)&&!isFunction(value);}/** + * This method is like `_.isArrayLike` except that it also checks if `value` + * is an object. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an array-like object, + * else `false`. + * @example + * + * _.isArrayLikeObject([1, 2, 3]); + * // => true + * + * _.isArrayLikeObject(document.body.children); + * // => true + * + * _.isArrayLikeObject('abc'); + * // => false + * + * _.isArrayLikeObject(_.noop); + * // => false + */function isArrayLikeObject(value){return isObjectLike(value)&&isArrayLike(value);}/** + * Checks if `value` is classified as a boolean primitive or object. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a boolean, else `false`. + * @example + * + * _.isBoolean(false); + * // => true + * + * _.isBoolean(null); + * // => false + */function isBoolean(value){return value===true||value===false||isObjectLike(value)&&baseGetTag(value)==boolTag;}/** + * Checks if `value` is a buffer. + * + * @static + * @memberOf _ + * @since 4.3.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a buffer, else `false`. + * @example + * + * _.isBuffer(new Buffer(2)); + * // => true + * + * _.isBuffer(new Uint8Array(2)); + * // => false + */var isBuffer=nativeIsBuffer||stubFalse;/** + * Checks if `value` is classified as a `Date` object. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a date object, else `false`. + * @example + * + * _.isDate(new Date); + * // => true + * + * _.isDate('Mon April 23 2012'); + * // => false + */var isDate=nodeIsDate?baseUnary(nodeIsDate):baseIsDate;/** + * Checks if `value` is likely a DOM element. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`. + * @example + * + * _.isElement(document.body); + * // => true + * + * _.isElement(''); + * // => false + */function isElement(value){return isObjectLike(value)&&value.nodeType===1&&!isPlainObject(value);}/** + * Checks if `value` is an empty object, collection, map, or set. + * + * Objects are considered empty if they have no own enumerable string keyed + * properties. + * + * Array-like values such as `arguments` objects, arrays, buffers, strings, or + * jQuery-like collections are considered empty if they have a `length` of `0`. + * Similarly, maps and sets are considered empty if they have a `size` of `0`. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is empty, else `false`. + * @example + * + * _.isEmpty(null); + * // => true + * + * _.isEmpty(true); + * // => true + * + * _.isEmpty(1); + * // => true + * + * _.isEmpty([1, 2, 3]); + * // => false + * + * _.isEmpty({ 'a': 1 }); + * // => false + */function isEmpty(value){if(value==null){return true;}if(isArrayLike(value)&&(isArray(value)||typeof value=='string'||typeof value.splice=='function'||isBuffer(value)||isTypedArray(value)||isArguments(value))){return!value.length;}var tag=getTag(value);if(tag==mapTag||tag==setTag){return!value.size;}if(isPrototype(value)){return!baseKeys(value).length;}for(var key in value){if(hasOwnProperty.call(value,key)){return false;}}return true;}/** + * Performs a deep comparison between two values to determine if they are + * equivalent. + * + * **Note:** This method supports comparing arrays, array buffers, booleans, + * date objects, error objects, maps, numbers, `Object` objects, regexes, + * sets, strings, symbols, and typed arrays. `Object` objects are compared + * by their own, not inherited, enumerable properties. Functions and DOM + * nodes are compared by strict equality, i.e. `===`. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to compare. + * @param {*} other The other value to compare. + * @returns {boolean} Returns `true` if the values are equivalent, else `false`. + * @example + * + * var object = { 'a': 1 }; + * var other = { 'a': 1 }; + * + * _.isEqual(object, other); + * // => true + * + * object === other; + * // => false + */function isEqual(value,other){return baseIsEqual(value,other);}/** + * This method is like `_.isEqual` except that it accepts `customizer` which + * is invoked to compare values. If `customizer` returns `undefined`, comparisons + * are handled by the method instead. The `customizer` is invoked with up to + * six arguments: (objValue, othValue [, index|key, object, other, stack]). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to compare. + * @param {*} other The other value to compare. + * @param {Function} [customizer] The function to customize comparisons. + * @returns {boolean} Returns `true` if the values are equivalent, else `false`. + * @example + * + * function isGreeting(value) { + * return /^h(?:i|ello)$/.test(value); + * } + * + * function customizer(objValue, othValue) { + * if (isGreeting(objValue) && isGreeting(othValue)) { + * return true; + * } + * } + * + * var array = ['hello', 'goodbye']; + * var other = ['hi', 'goodbye']; + * + * _.isEqualWith(array, other, customizer); + * // => true + */function isEqualWith(value,other,customizer){customizer=typeof customizer=='function'?customizer:undefined;var result=customizer?customizer(value,other):undefined;return result===undefined?baseIsEqual(value,other,undefined,customizer):!!result;}/** + * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`, + * `SyntaxError`, `TypeError`, or `URIError` object. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an error object, else `false`. + * @example + * + * _.isError(new Error); + * // => true + * + * _.isError(Error); + * // => false + */function isError(value){if(!isObjectLike(value)){return false;}var tag=baseGetTag(value);return tag==errorTag||tag==domExcTag||typeof value.message=='string'&&typeof value.name=='string'&&!isPlainObject(value);}/** + * Checks if `value` is a finite primitive number. + * + * **Note:** This method is based on + * [`Number.isFinite`](https://mdn.io/Number/isFinite). + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a finite number, else `false`. + * @example + * + * _.isFinite(3); + * // => true + * + * _.isFinite(Number.MIN_VALUE); + * // => true + * + * _.isFinite(Infinity); + * // => false + * + * _.isFinite('3'); + * // => false + */function isFinite(value){return typeof value=='number'&&nativeIsFinite(value);}/** + * Checks if `value` is classified as a `Function` object. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a function, else `false`. + * @example + * + * _.isFunction(_); + * // => true + * + * _.isFunction(/abc/); + * // => false + */function isFunction(value){if(!isObject(value)){return false;}// The use of `Object#toString` avoids issues with the `typeof` operator +// in Safari 9 which returns 'object' for typed arrays and other constructors. +var tag=baseGetTag(value);return tag==funcTag||tag==genTag||tag==asyncTag||tag==proxyTag;}/** + * Checks if `value` is an integer. + * + * **Note:** This method is based on + * [`Number.isInteger`](https://mdn.io/Number/isInteger). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an integer, else `false`. + * @example + * + * _.isInteger(3); + * // => true + * + * _.isInteger(Number.MIN_VALUE); + * // => false + * + * _.isInteger(Infinity); + * // => false + * + * _.isInteger('3'); + * // => false + */function isInteger(value){return typeof value=='number'&&value==toInteger(value);}/** + * Checks if `value` is a valid array-like length. + * + * **Note:** This method is loosely based on + * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a valid length, else `false`. + * @example + * + * _.isLength(3); + * // => true + * + * _.isLength(Number.MIN_VALUE); + * // => false + * + * _.isLength(Infinity); + * // => false + * + * _.isLength('3'); + * // => false + */function isLength(value){return typeof value=='number'&&value>-1&&value%1==0&&value<=MAX_SAFE_INTEGER;}/** + * Checks if `value` is the + * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types) + * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`) + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an object, else `false`. + * @example + * + * _.isObject({}); + * // => true + * + * _.isObject([1, 2, 3]); + * // => true + * + * _.isObject(_.noop); + * // => true + * + * _.isObject(null); + * // => false + */function isObject(value){var type=typeof value;return value!=null&&(type=='object'||type=='function');}/** + * Checks if `value` is object-like. A value is object-like if it's not `null` + * and has a `typeof` result of "object". + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is object-like, else `false`. + * @example + * + * _.isObjectLike({}); + * // => true + * + * _.isObjectLike([1, 2, 3]); + * // => true + * + * _.isObjectLike(_.noop); + * // => false + * + * _.isObjectLike(null); + * // => false + */function isObjectLike(value){return value!=null&&typeof value=='object';}/** + * Checks if `value` is classified as a `Map` object. + * + * @static + * @memberOf _ + * @since 4.3.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a map, else `false`. + * @example + * + * _.isMap(new Map); + * // => true + * + * _.isMap(new WeakMap); + * // => false + */var isMap=nodeIsMap?baseUnary(nodeIsMap):baseIsMap;/** + * Performs a partial deep comparison between `object` and `source` to + * determine if `object` contains equivalent property values. + * + * **Note:** This method is equivalent to `_.matches` when `source` is + * partially applied. + * + * Partial comparisons will match empty array and empty object `source` + * values against any array or object value, respectively. See `_.isEqual` + * for a list of supported value comparisons. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Lang + * @param {Object} object The object to inspect. + * @param {Object} source The object of property values to match. + * @returns {boolean} Returns `true` if `object` is a match, else `false`. + * @example + * + * var object = { 'a': 1, 'b': 2 }; + * + * _.isMatch(object, { 'b': 2 }); + * // => true + * + * _.isMatch(object, { 'b': 1 }); + * // => false + */function isMatch(object,source){return object===source||baseIsMatch(object,source,getMatchData(source));}/** + * This method is like `_.isMatch` except that it accepts `customizer` which + * is invoked to compare values. If `customizer` returns `undefined`, comparisons + * are handled by the method instead. The `customizer` is invoked with five + * arguments: (objValue, srcValue, index|key, object, source). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {Object} object The object to inspect. + * @param {Object} source The object of property values to match. + * @param {Function} [customizer] The function to customize comparisons. + * @returns {boolean} Returns `true` if `object` is a match, else `false`. + * @example + * + * function isGreeting(value) { + * return /^h(?:i|ello)$/.test(value); + * } + * + * function customizer(objValue, srcValue) { + * if (isGreeting(objValue) && isGreeting(srcValue)) { + * return true; + * } + * } + * + * var object = { 'greeting': 'hello' }; + * var source = { 'greeting': 'hi' }; + * + * _.isMatchWith(object, source, customizer); + * // => true + */function isMatchWith(object,source,customizer){customizer=typeof customizer=='function'?customizer:undefined;return baseIsMatch(object,source,getMatchData(source),customizer);}/** + * Checks if `value` is `NaN`. + * + * **Note:** This method is based on + * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as + * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for + * `undefined` and other non-number values. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`. + * @example + * + * _.isNaN(NaN); + * // => true + * + * _.isNaN(new Number(NaN)); + * // => true + * + * isNaN(undefined); + * // => true + * + * _.isNaN(undefined); + * // => false + */function isNaN(value){// An `NaN` primitive is the only value that is not equal to itself. +// Perform the `toStringTag` check first to avoid errors with some +// ActiveX objects in IE. +return isNumber(value)&&value!=+value;}/** + * Checks if `value` is a pristine native function. + * + * **Note:** This method can't reliably detect native functions in the presence + * of the core-js package because core-js circumvents this kind of detection. + * Despite multiple requests, the core-js maintainer has made it clear: any + * attempt to fix the detection will be obstructed. As a result, we're left + * with little choice but to throw an error. Unfortunately, this also affects + * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill), + * which rely on core-js. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a native function, + * else `false`. + * @example + * + * _.isNative(Array.prototype.push); + * // => true + * + * _.isNative(_); + * // => false + */function isNative(value){if(isMaskable(value)){throw new Error(CORE_ERROR_TEXT);}return baseIsNative(value);}/** + * Checks if `value` is `null`. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is `null`, else `false`. + * @example + * + * _.isNull(null); + * // => true + * + * _.isNull(void 0); + * // => false + */function isNull(value){return value===null;}/** + * Checks if `value` is `null` or `undefined`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is nullish, else `false`. + * @example + * + * _.isNil(null); + * // => true + * + * _.isNil(void 0); + * // => true + * + * _.isNil(NaN); + * // => false + */function isNil(value){return value==null;}/** + * Checks if `value` is classified as a `Number` primitive or object. + * + * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are + * classified as numbers, use the `_.isFinite` method. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a number, else `false`. + * @example + * + * _.isNumber(3); + * // => true + * + * _.isNumber(Number.MIN_VALUE); + * // => true + * + * _.isNumber(Infinity); + * // => true + * + * _.isNumber('3'); + * // => false + */function isNumber(value){return typeof value=='number'||isObjectLike(value)&&baseGetTag(value)==numberTag;}/** + * Checks if `value` is a plain object, that is, an object created by the + * `Object` constructor or one with a `[[Prototype]]` of `null`. + * + * @static + * @memberOf _ + * @since 0.8.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a plain object, else `false`. + * @example + * + * function Foo() { + * this.a = 1; + * } + * + * _.isPlainObject(new Foo); + * // => false + * + * _.isPlainObject([1, 2, 3]); + * // => false + * + * _.isPlainObject({ 'x': 0, 'y': 0 }); + * // => true + * + * _.isPlainObject(Object.create(null)); + * // => true + */function isPlainObject(value){if(!isObjectLike(value)||baseGetTag(value)!=objectTag){return false;}var proto=getPrototype(value);if(proto===null){return true;}var Ctor=hasOwnProperty.call(proto,'constructor')&&proto.constructor;return typeof Ctor=='function'&&Ctor instanceof Ctor&&funcToString.call(Ctor)==objectCtorString;}/** + * Checks if `value` is classified as a `RegExp` object. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a regexp, else `false`. + * @example + * + * _.isRegExp(/abc/); + * // => true + * + * _.isRegExp('/abc/'); + * // => false + */var isRegExp=nodeIsRegExp?baseUnary(nodeIsRegExp):baseIsRegExp;/** + * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754 + * double precision number which isn't the result of a rounded unsafe integer. + * + * **Note:** This method is based on + * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`. + * @example + * + * _.isSafeInteger(3); + * // => true + * + * _.isSafeInteger(Number.MIN_VALUE); + * // => false + * + * _.isSafeInteger(Infinity); + * // => false + * + * _.isSafeInteger('3'); + * // => false + */function isSafeInteger(value){return isInteger(value)&&value>=-MAX_SAFE_INTEGER&&value<=MAX_SAFE_INTEGER;}/** + * Checks if `value` is classified as a `Set` object. + * + * @static + * @memberOf _ + * @since 4.3.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a set, else `false`. + * @example + * + * _.isSet(new Set); + * // => true + * + * _.isSet(new WeakSet); + * // => false + */var isSet=nodeIsSet?baseUnary(nodeIsSet):baseIsSet;/** + * Checks if `value` is classified as a `String` primitive or object. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a string, else `false`. + * @example + * + * _.isString('abc'); + * // => true + * + * _.isString(1); + * // => false + */function isString(value){return typeof value=='string'||!isArray(value)&&isObjectLike(value)&&baseGetTag(value)==stringTag;}/** + * Checks if `value` is classified as a `Symbol` primitive or object. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a symbol, else `false`. + * @example + * + * _.isSymbol(Symbol.iterator); + * // => true + * + * _.isSymbol('abc'); + * // => false + */function isSymbol(value){return typeof value=='symbol'||isObjectLike(value)&&baseGetTag(value)==symbolTag;}/** + * Checks if `value` is classified as a typed array. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a typed array, else `false`. + * @example + * + * _.isTypedArray(new Uint8Array); + * // => true + * + * _.isTypedArray([]); + * // => false + */var isTypedArray=nodeIsTypedArray?baseUnary(nodeIsTypedArray):baseIsTypedArray;/** + * Checks if `value` is `undefined`. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`. + * @example + * + * _.isUndefined(void 0); + * // => true + * + * _.isUndefined(null); + * // => false + */function isUndefined(value){return value===undefined;}/** + * Checks if `value` is classified as a `WeakMap` object. + * + * @static + * @memberOf _ + * @since 4.3.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a weak map, else `false`. + * @example + * + * _.isWeakMap(new WeakMap); + * // => true + * + * _.isWeakMap(new Map); + * // => false + */function isWeakMap(value){return isObjectLike(value)&&getTag(value)==weakMapTag;}/** + * Checks if `value` is classified as a `WeakSet` object. + * + * @static + * @memberOf _ + * @since 4.3.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a weak set, else `false`. + * @example + * + * _.isWeakSet(new WeakSet); + * // => true + * + * _.isWeakSet(new Set); + * // => false + */function isWeakSet(value){return isObjectLike(value)&&baseGetTag(value)==weakSetTag;}/** + * Checks if `value` is less than `other`. + * + * @static + * @memberOf _ + * @since 3.9.0 + * @category Lang + * @param {*} value The value to compare. + * @param {*} other The other value to compare. + * @returns {boolean} Returns `true` if `value` is less than `other`, + * else `false`. + * @see _.gt + * @example + * + * _.lt(1, 3); + * // => true + * + * _.lt(3, 3); + * // => false + * + * _.lt(3, 1); + * // => false + */var lt=createRelationalOperation(baseLt);/** + * Checks if `value` is less than or equal to `other`. + * + * @static + * @memberOf _ + * @since 3.9.0 + * @category Lang + * @param {*} value The value to compare. + * @param {*} other The other value to compare. + * @returns {boolean} Returns `true` if `value` is less than or equal to + * `other`, else `false`. + * @see _.gte + * @example + * + * _.lte(1, 3); + * // => true + * + * _.lte(3, 3); + * // => true + * + * _.lte(3, 1); + * // => false + */var lte=createRelationalOperation(function(value,other){return value<=other;});/** + * Converts `value` to an array. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Lang + * @param {*} value The value to convert. + * @returns {Array} Returns the converted array. + * @example + * + * _.toArray({ 'a': 1, 'b': 2 }); + * // => [1, 2] + * + * _.toArray('abc'); + * // => ['a', 'b', 'c'] + * + * _.toArray(1); + * // => [] + * + * _.toArray(null); + * // => [] + */function toArray(value){if(!value){return[];}if(isArrayLike(value)){return isString(value)?stringToArray(value):copyArray(value);}if(symIterator&&value[symIterator]){return iteratorToArray(value[symIterator]());}var tag=getTag(value),func=tag==mapTag?mapToArray:tag==setTag?setToArray:values;return func(value);}/** + * Converts `value` to a finite number. + * + * @static + * @memberOf _ + * @since 4.12.0 + * @category Lang + * @param {*} value The value to convert. + * @returns {number} Returns the converted number. + * @example + * + * _.toFinite(3.2); + * // => 3.2 + * + * _.toFinite(Number.MIN_VALUE); + * // => 5e-324 + * + * _.toFinite(Infinity); + * // => 1.7976931348623157e+308 + * + * _.toFinite('3.2'); + * // => 3.2 + */function toFinite(value){if(!value){return value===0?value:0;}value=toNumber(value);if(value===INFINITY||value===-INFINITY){var sign=value<0?-1:1;return sign*MAX_INTEGER;}return value===value?value:0;}/** + * Converts `value` to an integer. + * + * **Note:** This method is loosely based on + * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to convert. + * @returns {number} Returns the converted integer. + * @example + * + * _.toInteger(3.2); + * // => 3 + * + * _.toInteger(Number.MIN_VALUE); + * // => 0 + * + * _.toInteger(Infinity); + * // => 1.7976931348623157e+308 + * + * _.toInteger('3.2'); + * // => 3 + */function toInteger(value){var result=toFinite(value),remainder=result%1;return result===result?remainder?result-remainder:result:0;}/** + * Converts `value` to an integer suitable for use as the length of an + * array-like object. + * + * **Note:** This method is based on + * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to convert. + * @returns {number} Returns the converted integer. + * @example + * + * _.toLength(3.2); + * // => 3 + * + * _.toLength(Number.MIN_VALUE); + * // => 0 + * + * _.toLength(Infinity); + * // => 4294967295 + * + * _.toLength('3.2'); + * // => 3 + */function toLength(value){return value?baseClamp(toInteger(value),0,MAX_ARRAY_LENGTH):0;}/** + * Converts `value` to a number. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to process. + * @returns {number} Returns the number. + * @example + * + * _.toNumber(3.2); + * // => 3.2 + * + * _.toNumber(Number.MIN_VALUE); + * // => 5e-324 + * + * _.toNumber(Infinity); + * // => Infinity + * + * _.toNumber('3.2'); + * // => 3.2 + */function toNumber(value){if(typeof value=='number'){return value;}if(isSymbol(value)){return NAN;}if(isObject(value)){var other=typeof value.valueOf=='function'?value.valueOf():value;value=isObject(other)?other+'':other;}if(typeof value!='string'){return value===0?value:+value;}value=baseTrim(value);var isBinary=reIsBinary.test(value);return isBinary||reIsOctal.test(value)?freeParseInt(value.slice(2),isBinary?2:8):reIsBadHex.test(value)?NAN:+value;}/** + * Converts `value` to a plain object flattening inherited enumerable string + * keyed properties of `value` to own properties of the plain object. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Lang + * @param {*} value The value to convert. + * @returns {Object} Returns the converted plain object. + * @example + * + * function Foo() { + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.assign({ 'a': 1 }, new Foo); + * // => { 'a': 1, 'b': 2 } + * + * _.assign({ 'a': 1 }, _.toPlainObject(new Foo)); + * // => { 'a': 1, 'b': 2, 'c': 3 } + */function toPlainObject(value){return copyObject(value,keysIn(value));}/** + * Converts `value` to a safe integer. A safe integer can be compared and + * represented correctly. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to convert. + * @returns {number} Returns the converted integer. + * @example + * + * _.toSafeInteger(3.2); + * // => 3 + * + * _.toSafeInteger(Number.MIN_VALUE); + * // => 0 + * + * _.toSafeInteger(Infinity); + * // => 9007199254740991 + * + * _.toSafeInteger('3.2'); + * // => 3 + */function toSafeInteger(value){return value?baseClamp(toInteger(value),-MAX_SAFE_INTEGER,MAX_SAFE_INTEGER):value===0?value:0;}/** + * Converts `value` to a string. An empty string is returned for `null` + * and `undefined` values. The sign of `-0` is preserved. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to convert. + * @returns {string} Returns the converted string. + * @example + * + * _.toString(null); + * // => '' + * + * _.toString(-0); + * // => '-0' + * + * _.toString([1, 2, 3]); + * // => '1,2,3' + */function toString(value){return value==null?'':baseToString(value);}/*------------------------------------------------------------------------*/ /** + * Assigns own enumerable string keyed properties of source objects to the + * destination object. Source objects are applied from left to right. + * Subsequent sources overwrite property assignments of previous sources. + * + * **Note:** This method mutates `object` and is loosely based on + * [`Object.assign`](https://mdn.io/Object/assign). + * + * @static + * @memberOf _ + * @since 0.10.0 + * @category Object + * @param {Object} object The destination object. + * @param {...Object} [sources] The source objects. + * @returns {Object} Returns `object`. + * @see _.assignIn + * @example + * + * function Foo() { + * this.a = 1; + * } + * + * function Bar() { + * this.c = 3; + * } + * + * Foo.prototype.b = 2; + * Bar.prototype.d = 4; + * + * _.assign({ 'a': 0 }, new Foo, new Bar); + * // => { 'a': 1, 'c': 3 } + */var assign=createAssigner(function(object,source){if(isPrototype(source)||isArrayLike(source)){copyObject(source,keys(source),object);return;}for(var key in source){if(hasOwnProperty.call(source,key)){assignValue(object,key,source[key]);}}});/** + * This method is like `_.assign` except that it iterates over own and + * inherited source properties. + * + * **Note:** This method mutates `object`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @alias extend + * @category Object + * @param {Object} object The destination object. + * @param {...Object} [sources] The source objects. + * @returns {Object} Returns `object`. + * @see _.assign + * @example + * + * function Foo() { + * this.a = 1; + * } + * + * function Bar() { + * this.c = 3; + * } + * + * Foo.prototype.b = 2; + * Bar.prototype.d = 4; + * + * _.assignIn({ 'a': 0 }, new Foo, new Bar); + * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 } + */var assignIn=createAssigner(function(object,source){copyObject(source,keysIn(source),object);});/** + * This method is like `_.assignIn` except that it accepts `customizer` + * which is invoked to produce the assigned values. If `customizer` returns + * `undefined`, assignment is handled by the method instead. The `customizer` + * is invoked with five arguments: (objValue, srcValue, key, object, source). + * + * **Note:** This method mutates `object`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @alias extendWith + * @category Object + * @param {Object} object The destination object. + * @param {...Object} sources The source objects. + * @param {Function} [customizer] The function to customize assigned values. + * @returns {Object} Returns `object`. + * @see _.assignWith + * @example + * + * function customizer(objValue, srcValue) { + * return _.isUndefined(objValue) ? srcValue : objValue; + * } + * + * var defaults = _.partialRight(_.assignInWith, customizer); + * + * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 }); + * // => { 'a': 1, 'b': 2 } + */var assignInWith=createAssigner(function(object,source,srcIndex,customizer){copyObject(source,keysIn(source),object,customizer);});/** + * This method is like `_.assign` except that it accepts `customizer` + * which is invoked to produce the assigned values. If `customizer` returns + * `undefined`, assignment is handled by the method instead. The `customizer` + * is invoked with five arguments: (objValue, srcValue, key, object, source). + * + * **Note:** This method mutates `object`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Object + * @param {Object} object The destination object. + * @param {...Object} sources The source objects. + * @param {Function} [customizer] The function to customize assigned values. + * @returns {Object} Returns `object`. + * @see _.assignInWith + * @example + * + * function customizer(objValue, srcValue) { + * return _.isUndefined(objValue) ? srcValue : objValue; + * } + * + * var defaults = _.partialRight(_.assignWith, customizer); + * + * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 }); + * // => { 'a': 1, 'b': 2 } + */var assignWith=createAssigner(function(object,source,srcIndex,customizer){copyObject(source,keys(source),object,customizer);});/** + * Creates an array of values corresponding to `paths` of `object`. + * + * @static + * @memberOf _ + * @since 1.0.0 + * @category Object + * @param {Object} object The object to iterate over. + * @param {...(string|string[])} [paths] The property paths to pick. + * @returns {Array} Returns the picked values. + * @example + * + * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] }; + * + * _.at(object, ['a[0].b.c', 'a[1]']); + * // => [3, 4] + */var at=flatRest(baseAt);/** + * Creates an object that inherits from the `prototype` object. If a + * `properties` object is given, its own enumerable string keyed properties + * are assigned to the created object. + * + * @static + * @memberOf _ + * @since 2.3.0 + * @category Object + * @param {Object} prototype The object to inherit from. + * @param {Object} [properties] The properties to assign to the object. + * @returns {Object} Returns the new object. + * @example + * + * function Shape() { + * this.x = 0; + * this.y = 0; + * } + * + * function Circle() { + * Shape.call(this); + * } + * + * Circle.prototype = _.create(Shape.prototype, { + * 'constructor': Circle + * }); + * + * var circle = new Circle; + * circle instanceof Circle; + * // => true + * + * circle instanceof Shape; + * // => true + */function create(prototype,properties){var result=baseCreate(prototype);return properties==null?result:baseAssign(result,properties);}/** + * Assigns own and inherited enumerable string keyed properties of source + * objects to the destination object for all destination properties that + * resolve to `undefined`. Source objects are applied from left to right. + * Once a property is set, additional values of the same property are ignored. + * + * **Note:** This method mutates `object`. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Object + * @param {Object} object The destination object. + * @param {...Object} [sources] The source objects. + * @returns {Object} Returns `object`. + * @see _.defaultsDeep + * @example + * + * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 }); + * // => { 'a': 1, 'b': 2 } + */var defaults=baseRest(function(object,sources){object=Object(object);var index=-1;var length=sources.length;var guard=length>2?sources[2]:undefined;if(guard&&isIterateeCall(sources[0],sources[1],guard)){length=1;}while(++index { 'a': { 'b': 2, 'c': 3 } } + */var defaultsDeep=baseRest(function(args){args.push(undefined,customDefaultsMerge);return apply(mergeWith,undefined,args);});/** + * This method is like `_.find` except that it returns the key of the first + * element `predicate` returns truthy for instead of the element itself. + * + * @static + * @memberOf _ + * @since 1.1.0 + * @category Object + * @param {Object} object The object to inspect. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @returns {string|undefined} Returns the key of the matched element, + * else `undefined`. + * @example + * + * var users = { + * 'barney': { 'age': 36, 'active': true }, + * 'fred': { 'age': 40, 'active': false }, + * 'pebbles': { 'age': 1, 'active': true } + * }; + * + * _.findKey(users, function(o) { return o.age < 40; }); + * // => 'barney' (iteration order is not guaranteed) + * + * // The `_.matches` iteratee shorthand. + * _.findKey(users, { 'age': 1, 'active': true }); + * // => 'pebbles' + * + * // The `_.matchesProperty` iteratee shorthand. + * _.findKey(users, ['active', false]); + * // => 'fred' + * + * // The `_.property` iteratee shorthand. + * _.findKey(users, 'active'); + * // => 'barney' + */function findKey(object,predicate){return baseFindKey(object,getIteratee(predicate,3),baseForOwn);}/** + * This method is like `_.findKey` except that it iterates over elements of + * a collection in the opposite order. + * + * @static + * @memberOf _ + * @since 2.0.0 + * @category Object + * @param {Object} object The object to inspect. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @returns {string|undefined} Returns the key of the matched element, + * else `undefined`. + * @example + * + * var users = { + * 'barney': { 'age': 36, 'active': true }, + * 'fred': { 'age': 40, 'active': false }, + * 'pebbles': { 'age': 1, 'active': true } + * }; + * + * _.findLastKey(users, function(o) { return o.age < 40; }); + * // => returns 'pebbles' assuming `_.findKey` returns 'barney' + * + * // The `_.matches` iteratee shorthand. + * _.findLastKey(users, { 'age': 36, 'active': true }); + * // => 'barney' + * + * // The `_.matchesProperty` iteratee shorthand. + * _.findLastKey(users, ['active', false]); + * // => 'fred' + * + * // The `_.property` iteratee shorthand. + * _.findLastKey(users, 'active'); + * // => 'pebbles' + */function findLastKey(object,predicate){return baseFindKey(object,getIteratee(predicate,3),baseForOwnRight);}/** + * Iterates over own and inherited enumerable string keyed properties of an + * object and invokes `iteratee` for each property. The iteratee is invoked + * with three arguments: (value, key, object). Iteratee functions may exit + * iteration early by explicitly returning `false`. + * + * @static + * @memberOf _ + * @since 0.3.0 + * @category Object + * @param {Object} object The object to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Object} Returns `object`. + * @see _.forInRight + * @example + * + * function Foo() { + * this.a = 1; + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.forIn(new Foo, function(value, key) { + * console.log(key); + * }); + * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed). + */function forIn(object,iteratee){return object==null?object:baseFor(object,getIteratee(iteratee,3),keysIn);}/** + * This method is like `_.forIn` except that it iterates over properties of + * `object` in the opposite order. + * + * @static + * @memberOf _ + * @since 2.0.0 + * @category Object + * @param {Object} object The object to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Object} Returns `object`. + * @see _.forIn + * @example + * + * function Foo() { + * this.a = 1; + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.forInRight(new Foo, function(value, key) { + * console.log(key); + * }); + * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'. + */function forInRight(object,iteratee){return object==null?object:baseForRight(object,getIteratee(iteratee,3),keysIn);}/** + * Iterates over own enumerable string keyed properties of an object and + * invokes `iteratee` for each property. The iteratee is invoked with three + * arguments: (value, key, object). Iteratee functions may exit iteration + * early by explicitly returning `false`. + * + * @static + * @memberOf _ + * @since 0.3.0 + * @category Object + * @param {Object} object The object to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Object} Returns `object`. + * @see _.forOwnRight + * @example + * + * function Foo() { + * this.a = 1; + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.forOwn(new Foo, function(value, key) { + * console.log(key); + * }); + * // => Logs 'a' then 'b' (iteration order is not guaranteed). + */function forOwn(object,iteratee){return object&&baseForOwn(object,getIteratee(iteratee,3));}/** + * This method is like `_.forOwn` except that it iterates over properties of + * `object` in the opposite order. + * + * @static + * @memberOf _ + * @since 2.0.0 + * @category Object + * @param {Object} object The object to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Object} Returns `object`. + * @see _.forOwn + * @example + * + * function Foo() { + * this.a = 1; + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.forOwnRight(new Foo, function(value, key) { + * console.log(key); + * }); + * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'. + */function forOwnRight(object,iteratee){return object&&baseForOwnRight(object,getIteratee(iteratee,3));}/** + * Creates an array of function property names from own enumerable properties + * of `object`. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Object + * @param {Object} object The object to inspect. + * @returns {Array} Returns the function names. + * @see _.functionsIn + * @example + * + * function Foo() { + * this.a = _.constant('a'); + * this.b = _.constant('b'); + * } + * + * Foo.prototype.c = _.constant('c'); + * + * _.functions(new Foo); + * // => ['a', 'b'] + */function functions(object){return object==null?[]:baseFunctions(object,keys(object));}/** + * Creates an array of function property names from own and inherited + * enumerable properties of `object`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Object + * @param {Object} object The object to inspect. + * @returns {Array} Returns the function names. + * @see _.functions + * @example + * + * function Foo() { + * this.a = _.constant('a'); + * this.b = _.constant('b'); + * } + * + * Foo.prototype.c = _.constant('c'); + * + * _.functionsIn(new Foo); + * // => ['a', 'b', 'c'] + */function functionsIn(object){return object==null?[]:baseFunctions(object,keysIn(object));}/** + * Gets the value at `path` of `object`. If the resolved value is + * `undefined`, the `defaultValue` is returned in its place. + * + * @static + * @memberOf _ + * @since 3.7.0 + * @category Object + * @param {Object} object The object to query. + * @param {Array|string} path The path of the property to get. + * @param {*} [defaultValue] The value returned for `undefined` resolved values. + * @returns {*} Returns the resolved value. + * @example + * + * var object = { 'a': [{ 'b': { 'c': 3 } }] }; + * + * _.get(object, 'a[0].b.c'); + * // => 3 + * + * _.get(object, ['a', '0', 'b', 'c']); + * // => 3 + * + * _.get(object, 'a.b.c', 'default'); + * // => 'default' + */function get(object,path,defaultValue){var result=object==null?undefined:baseGet(object,path);return result===undefined?defaultValue:result;}/** + * Checks if `path` is a direct property of `object`. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Object + * @param {Object} object The object to query. + * @param {Array|string} path The path to check. + * @returns {boolean} Returns `true` if `path` exists, else `false`. + * @example + * + * var object = { 'a': { 'b': 2 } }; + * var other = _.create({ 'a': _.create({ 'b': 2 }) }); + * + * _.has(object, 'a'); + * // => true + * + * _.has(object, 'a.b'); + * // => true + * + * _.has(object, ['a', 'b']); + * // => true + * + * _.has(other, 'a'); + * // => false + */function has(object,path){return object!=null&&hasPath(object,path,baseHas);}/** + * Checks if `path` is a direct or inherited property of `object`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Object + * @param {Object} object The object to query. + * @param {Array|string} path The path to check. + * @returns {boolean} Returns `true` if `path` exists, else `false`. + * @example + * + * var object = _.create({ 'a': _.create({ 'b': 2 }) }); + * + * _.hasIn(object, 'a'); + * // => true + * + * _.hasIn(object, 'a.b'); + * // => true + * + * _.hasIn(object, ['a', 'b']); + * // => true + * + * _.hasIn(object, 'b'); + * // => false + */function hasIn(object,path){return object!=null&&hasPath(object,path,baseHasIn);}/** + * Creates an object composed of the inverted keys and values of `object`. + * If `object` contains duplicate values, subsequent values overwrite + * property assignments of previous values. + * + * @static + * @memberOf _ + * @since 0.7.0 + * @category Object + * @param {Object} object The object to invert. + * @returns {Object} Returns the new inverted object. + * @example + * + * var object = { 'a': 1, 'b': 2, 'c': 1 }; + * + * _.invert(object); + * // => { '1': 'c', '2': 'b' } + */var invert=createInverter(function(result,value,key){if(value!=null&&typeof value.toString!='function'){value=nativeObjectToString.call(value);}result[value]=key;},constant(identity));/** + * This method is like `_.invert` except that the inverted object is generated + * from the results of running each element of `object` thru `iteratee`. The + * corresponding inverted value of each inverted key is an array of keys + * responsible for generating the inverted value. The iteratee is invoked + * with one argument: (value). + * + * @static + * @memberOf _ + * @since 4.1.0 + * @category Object + * @param {Object} object The object to invert. + * @param {Function} [iteratee=_.identity] The iteratee invoked per element. + * @returns {Object} Returns the new inverted object. + * @example + * + * var object = { 'a': 1, 'b': 2, 'c': 1 }; + * + * _.invertBy(object); + * // => { '1': ['a', 'c'], '2': ['b'] } + * + * _.invertBy(object, function(value) { + * return 'group' + value; + * }); + * // => { 'group1': ['a', 'c'], 'group2': ['b'] } + */var invertBy=createInverter(function(result,value,key){if(value!=null&&typeof value.toString!='function'){value=nativeObjectToString.call(value);}if(hasOwnProperty.call(result,value)){result[value].push(key);}else{result[value]=[key];}},getIteratee);/** + * Invokes the method at `path` of `object`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Object + * @param {Object} object The object to query. + * @param {Array|string} path The path of the method to invoke. + * @param {...*} [args] The arguments to invoke the method with. + * @returns {*} Returns the result of the invoked method. + * @example + * + * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] }; + * + * _.invoke(object, 'a[0].b.c.slice', 1, 3); + * // => [2, 3] + */var invoke=baseRest(baseInvoke);/** + * Creates an array of the own enumerable property names of `object`. + * + * **Note:** Non-object values are coerced to objects. See the + * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys) + * for more details. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Object + * @param {Object} object The object to query. + * @returns {Array} Returns the array of property names. + * @example + * + * function Foo() { + * this.a = 1; + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.keys(new Foo); + * // => ['a', 'b'] (iteration order is not guaranteed) + * + * _.keys('hi'); + * // => ['0', '1'] + */function keys(object){return isArrayLike(object)?arrayLikeKeys(object):baseKeys(object);}/** + * Creates an array of the own and inherited enumerable property names of `object`. + * + * **Note:** Non-object values are coerced to objects. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Object + * @param {Object} object The object to query. + * @returns {Array} Returns the array of property names. + * @example + * + * function Foo() { + * this.a = 1; + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.keysIn(new Foo); + * // => ['a', 'b', 'c'] (iteration order is not guaranteed) + */function keysIn(object){return isArrayLike(object)?arrayLikeKeys(object,true):baseKeysIn(object);}/** + * The opposite of `_.mapValues`; this method creates an object with the + * same values as `object` and keys generated by running each own enumerable + * string keyed property of `object` thru `iteratee`. The iteratee is invoked + * with three arguments: (value, key, object). + * + * @static + * @memberOf _ + * @since 3.8.0 + * @category Object + * @param {Object} object The object to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Object} Returns the new mapped object. + * @see _.mapValues + * @example + * + * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) { + * return key + value; + * }); + * // => { 'a1': 1, 'b2': 2 } + */function mapKeys(object,iteratee){var result={};iteratee=getIteratee(iteratee,3);baseForOwn(object,function(value,key,object){baseAssignValue(result,iteratee(value,key,object),value);});return result;}/** + * Creates an object with the same keys as `object` and values generated + * by running each own enumerable string keyed property of `object` thru + * `iteratee`. The iteratee is invoked with three arguments: + * (value, key, object). + * + * @static + * @memberOf _ + * @since 2.4.0 + * @category Object + * @param {Object} object The object to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Object} Returns the new mapped object. + * @see _.mapKeys + * @example + * + * var users = { + * 'fred': { 'user': 'fred', 'age': 40 }, + * 'pebbles': { 'user': 'pebbles', 'age': 1 } + * }; + * + * _.mapValues(users, function(o) { return o.age; }); + * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed) + * + * // The `_.property` iteratee shorthand. + * _.mapValues(users, 'age'); + * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed) + */function mapValues(object,iteratee){var result={};iteratee=getIteratee(iteratee,3);baseForOwn(object,function(value,key,object){baseAssignValue(result,key,iteratee(value,key,object));});return result;}/** + * This method is like `_.assign` except that it recursively merges own and + * inherited enumerable string keyed properties of source objects into the + * destination object. Source properties that resolve to `undefined` are + * skipped if a destination value exists. Array and plain object properties + * are merged recursively. Other objects and value types are overridden by + * assignment. Source objects are applied from left to right. Subsequent + * sources overwrite property assignments of previous sources. + * + * **Note:** This method mutates `object`. + * + * @static + * @memberOf _ + * @since 0.5.0 + * @category Object + * @param {Object} object The destination object. + * @param {...Object} [sources] The source objects. + * @returns {Object} Returns `object`. + * @example + * + * var object = { + * 'a': [{ 'b': 2 }, { 'd': 4 }] + * }; + * + * var other = { + * 'a': [{ 'c': 3 }, { 'e': 5 }] + * }; + * + * _.merge(object, other); + * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] } + */var merge=createAssigner(function(object,source,srcIndex){baseMerge(object,source,srcIndex);});/** + * This method is like `_.merge` except that it accepts `customizer` which + * is invoked to produce the merged values of the destination and source + * properties. If `customizer` returns `undefined`, merging is handled by the + * method instead. The `customizer` is invoked with six arguments: + * (objValue, srcValue, key, object, source, stack). + * + * **Note:** This method mutates `object`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Object + * @param {Object} object The destination object. + * @param {...Object} sources The source objects. + * @param {Function} customizer The function to customize assigned values. + * @returns {Object} Returns `object`. + * @example + * + * function customizer(objValue, srcValue) { + * if (_.isArray(objValue)) { + * return objValue.concat(srcValue); + * } + * } + * + * var object = { 'a': [1], 'b': [2] }; + * var other = { 'a': [3], 'b': [4] }; + * + * _.mergeWith(object, other, customizer); + * // => { 'a': [1, 3], 'b': [2, 4] } + */var mergeWith=createAssigner(function(object,source,srcIndex,customizer){baseMerge(object,source,srcIndex,customizer);});/** + * The opposite of `_.pick`; this method creates an object composed of the + * own and inherited enumerable property paths of `object` that are not omitted. + * + * **Note:** This method is considerably slower than `_.pick`. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Object + * @param {Object} object The source object. + * @param {...(string|string[])} [paths] The property paths to omit. + * @returns {Object} Returns the new object. + * @example + * + * var object = { 'a': 1, 'b': '2', 'c': 3 }; + * + * _.omit(object, ['a', 'c']); + * // => { 'b': '2' } + */var omit=flatRest(function(object,paths){var result={};if(object==null){return result;}var isDeep=false;paths=arrayMap(paths,function(path){path=castPath(path,object);isDeep||(isDeep=path.length>1);return path;});copyObject(object,getAllKeysIn(object),result);if(isDeep){result=baseClone(result,CLONE_DEEP_FLAG|CLONE_FLAT_FLAG|CLONE_SYMBOLS_FLAG,customOmitClone);}var length=paths.length;while(length--){baseUnset(result,paths[length]);}return result;});/** + * The opposite of `_.pickBy`; this method creates an object composed of + * the own and inherited enumerable string keyed properties of `object` that + * `predicate` doesn't return truthy for. The predicate is invoked with two + * arguments: (value, key). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Object + * @param {Object} object The source object. + * @param {Function} [predicate=_.identity] The function invoked per property. + * @returns {Object} Returns the new object. + * @example + * + * var object = { 'a': 1, 'b': '2', 'c': 3 }; + * + * _.omitBy(object, _.isNumber); + * // => { 'b': '2' } + */function omitBy(object,predicate){return pickBy(object,negate(getIteratee(predicate)));}/** + * Creates an object composed of the picked `object` properties. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Object + * @param {Object} object The source object. + * @param {...(string|string[])} [paths] The property paths to pick. + * @returns {Object} Returns the new object. + * @example + * + * var object = { 'a': 1, 'b': '2', 'c': 3 }; + * + * _.pick(object, ['a', 'c']); + * // => { 'a': 1, 'c': 3 } + */var pick=flatRest(function(object,paths){return object==null?{}:basePick(object,paths);});/** + * Creates an object composed of the `object` properties `predicate` returns + * truthy for. The predicate is invoked with two arguments: (value, key). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Object + * @param {Object} object The source object. + * @param {Function} [predicate=_.identity] The function invoked per property. + * @returns {Object} Returns the new object. + * @example + * + * var object = { 'a': 1, 'b': '2', 'c': 3 }; + * + * _.pickBy(object, _.isNumber); + * // => { 'a': 1, 'c': 3 } + */function pickBy(object,predicate){if(object==null){return{};}var props=arrayMap(getAllKeysIn(object),function(prop){return[prop];});predicate=getIteratee(predicate);return basePickBy(object,props,function(value,path){return predicate(value,path[0]);});}/** + * This method is like `_.get` except that if the resolved value is a + * function it's invoked with the `this` binding of its parent object and + * its result is returned. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Object + * @param {Object} object The object to query. + * @param {Array|string} path The path of the property to resolve. + * @param {*} [defaultValue] The value returned for `undefined` resolved values. + * @returns {*} Returns the resolved value. + * @example + * + * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] }; + * + * _.result(object, 'a[0].b.c1'); + * // => 3 + * + * _.result(object, 'a[0].b.c2'); + * // => 4 + * + * _.result(object, 'a[0].b.c3', 'default'); + * // => 'default' + * + * _.result(object, 'a[0].b.c3', _.constant('default')); + * // => 'default' + */function result(object,path,defaultValue){path=castPath(path,object);var index=-1,length=path.length;// Ensure the loop is entered when path is empty. +if(!length){length=1;object=undefined;}while(++index 4 + * + * _.set(object, ['x', '0', 'y', 'z'], 5); + * console.log(object.x[0].y.z); + * // => 5 + */function set(object,path,value){return object==null?object:baseSet(object,path,value);}/** + * This method is like `_.set` except that it accepts `customizer` which is + * invoked to produce the objects of `path`. If `customizer` returns `undefined` + * path creation is handled by the method instead. The `customizer` is invoked + * with three arguments: (nsValue, key, nsObject). + * + * **Note:** This method mutates `object`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Object + * @param {Object} object The object to modify. + * @param {Array|string} path The path of the property to set. + * @param {*} value The value to set. + * @param {Function} [customizer] The function to customize assigned values. + * @returns {Object} Returns `object`. + * @example + * + * var object = {}; + * + * _.setWith(object, '[0][1]', 'a', Object); + * // => { '0': { '1': 'a' } } + */function setWith(object,path,value,customizer){customizer=typeof customizer=='function'?customizer:undefined;return object==null?object:baseSet(object,path,value,customizer);}/** + * Creates an array of own enumerable string keyed-value pairs for `object` + * which can be consumed by `_.fromPairs`. If `object` is a map or set, its + * entries are returned. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @alias entries + * @category Object + * @param {Object} object The object to query. + * @returns {Array} Returns the key-value pairs. + * @example + * + * function Foo() { + * this.a = 1; + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.toPairs(new Foo); + * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed) + */var toPairs=createToPairs(keys);/** + * Creates an array of own and inherited enumerable string keyed-value pairs + * for `object` which can be consumed by `_.fromPairs`. If `object` is a map + * or set, its entries are returned. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @alias entriesIn + * @category Object + * @param {Object} object The object to query. + * @returns {Array} Returns the key-value pairs. + * @example + * + * function Foo() { + * this.a = 1; + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.toPairsIn(new Foo); + * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed) + */var toPairsIn=createToPairs(keysIn);/** + * An alternative to `_.reduce`; this method transforms `object` to a new + * `accumulator` object which is the result of running each of its own + * enumerable string keyed properties thru `iteratee`, with each invocation + * potentially mutating the `accumulator` object. If `accumulator` is not + * provided, a new object with the same `[[Prototype]]` will be used. The + * iteratee is invoked with four arguments: (accumulator, value, key, object). + * Iteratee functions may exit iteration early by explicitly returning `false`. + * + * @static + * @memberOf _ + * @since 1.3.0 + * @category Object + * @param {Object} object The object to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @param {*} [accumulator] The custom accumulator value. + * @returns {*} Returns the accumulated value. + * @example + * + * _.transform([2, 3, 4], function(result, n) { + * result.push(n *= n); + * return n % 2 == 0; + * }, []); + * // => [4, 9] + * + * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) { + * (result[value] || (result[value] = [])).push(key); + * }, {}); + * // => { '1': ['a', 'c'], '2': ['b'] } + */function transform(object,iteratee,accumulator){var isArr=isArray(object),isArrLike=isArr||isBuffer(object)||isTypedArray(object);iteratee=getIteratee(iteratee,4);if(accumulator==null){var Ctor=object&&object.constructor;if(isArrLike){accumulator=isArr?new Ctor():[];}else if(isObject(object)){accumulator=isFunction(Ctor)?baseCreate(getPrototype(object)):{};}else{accumulator={};}}(isArrLike?arrayEach:baseForOwn)(object,function(value,index,object){return iteratee(accumulator,value,index,object);});return accumulator;}/** + * Removes the property at `path` of `object`. + * + * **Note:** This method mutates `object`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Object + * @param {Object} object The object to modify. + * @param {Array|string} path The path of the property to unset. + * @returns {boolean} Returns `true` if the property is deleted, else `false`. + * @example + * + * var object = { 'a': [{ 'b': { 'c': 7 } }] }; + * _.unset(object, 'a[0].b.c'); + * // => true + * + * console.log(object); + * // => { 'a': [{ 'b': {} }] }; + * + * _.unset(object, ['a', '0', 'b', 'c']); + * // => true + * + * console.log(object); + * // => { 'a': [{ 'b': {} }] }; + */function unset(object,path){return object==null?true:baseUnset(object,path);}/** + * This method is like `_.set` except that accepts `updater` to produce the + * value to set. Use `_.updateWith` to customize `path` creation. The `updater` + * is invoked with one argument: (value). + * + * **Note:** This method mutates `object`. + * + * @static + * @memberOf _ + * @since 4.6.0 + * @category Object + * @param {Object} object The object to modify. + * @param {Array|string} path The path of the property to set. + * @param {Function} updater The function to produce the updated value. + * @returns {Object} Returns `object`. + * @example + * + * var object = { 'a': [{ 'b': { 'c': 3 } }] }; + * + * _.update(object, 'a[0].b.c', function(n) { return n * n; }); + * console.log(object.a[0].b.c); + * // => 9 + * + * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; }); + * console.log(object.x[0].y.z); + * // => 0 + */function update(object,path,updater){return object==null?object:baseUpdate(object,path,castFunction(updater));}/** + * This method is like `_.update` except that it accepts `customizer` which is + * invoked to produce the objects of `path`. If `customizer` returns `undefined` + * path creation is handled by the method instead. The `customizer` is invoked + * with three arguments: (nsValue, key, nsObject). + * + * **Note:** This method mutates `object`. + * + * @static + * @memberOf _ + * @since 4.6.0 + * @category Object + * @param {Object} object The object to modify. + * @param {Array|string} path The path of the property to set. + * @param {Function} updater The function to produce the updated value. + * @param {Function} [customizer] The function to customize assigned values. + * @returns {Object} Returns `object`. + * @example + * + * var object = {}; + * + * _.updateWith(object, '[0][1]', _.constant('a'), Object); + * // => { '0': { '1': 'a' } } + */function updateWith(object,path,updater,customizer){customizer=typeof customizer=='function'?customizer:undefined;return object==null?object:baseUpdate(object,path,castFunction(updater),customizer);}/** + * Creates an array of the own enumerable string keyed property values of `object`. + * + * **Note:** Non-object values are coerced to objects. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Object + * @param {Object} object The object to query. + * @returns {Array} Returns the array of property values. + * @example + * + * function Foo() { + * this.a = 1; + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.values(new Foo); + * // => [1, 2] (iteration order is not guaranteed) + * + * _.values('hi'); + * // => ['h', 'i'] + */function values(object){return object==null?[]:baseValues(object,keys(object));}/** + * Creates an array of the own and inherited enumerable string keyed property + * values of `object`. + * + * **Note:** Non-object values are coerced to objects. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Object + * @param {Object} object The object to query. + * @returns {Array} Returns the array of property values. + * @example + * + * function Foo() { + * this.a = 1; + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.valuesIn(new Foo); + * // => [1, 2, 3] (iteration order is not guaranteed) + */function valuesIn(object){return object==null?[]:baseValues(object,keysIn(object));}/*------------------------------------------------------------------------*/ /** + * Clamps `number` within the inclusive `lower` and `upper` bounds. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Number + * @param {number} number The number to clamp. + * @param {number} [lower] The lower bound. + * @param {number} upper The upper bound. + * @returns {number} Returns the clamped number. + * @example + * + * _.clamp(-10, -5, 5); + * // => -5 + * + * _.clamp(10, -5, 5); + * // => 5 + */function clamp(number,lower,upper){if(upper===undefined){upper=lower;lower=undefined;}if(upper!==undefined){upper=toNumber(upper);upper=upper===upper?upper:0;}if(lower!==undefined){lower=toNumber(lower);lower=lower===lower?lower:0;}return baseClamp(toNumber(number),lower,upper);}/** + * Checks if `n` is between `start` and up to, but not including, `end`. If + * `end` is not specified, it's set to `start` with `start` then set to `0`. + * If `start` is greater than `end` the params are swapped to support + * negative ranges. + * + * @static + * @memberOf _ + * @since 3.3.0 + * @category Number + * @param {number} number The number to check. + * @param {number} [start=0] The start of the range. + * @param {number} end The end of the range. + * @returns {boolean} Returns `true` if `number` is in the range, else `false`. + * @see _.range, _.rangeRight + * @example + * + * _.inRange(3, 2, 4); + * // => true + * + * _.inRange(4, 8); + * // => true + * + * _.inRange(4, 2); + * // => false + * + * _.inRange(2, 2); + * // => false + * + * _.inRange(1.2, 2); + * // => true + * + * _.inRange(5.2, 4); + * // => false + * + * _.inRange(-3, -2, -6); + * // => true + */function inRange(number,start,end){start=toFinite(start);if(end===undefined){end=start;start=0;}else{end=toFinite(end);}number=toNumber(number);return baseInRange(number,start,end);}/** + * Produces a random number between the inclusive `lower` and `upper` bounds. + * If only one argument is provided a number between `0` and the given number + * is returned. If `floating` is `true`, or either `lower` or `upper` are + * floats, a floating-point number is returned instead of an integer. + * + * **Note:** JavaScript follows the IEEE-754 standard for resolving + * floating-point values which can produce unexpected results. + * + * @static + * @memberOf _ + * @since 0.7.0 + * @category Number + * @param {number} [lower=0] The lower bound. + * @param {number} [upper=1] The upper bound. + * @param {boolean} [floating] Specify returning a floating-point number. + * @returns {number} Returns the random number. + * @example + * + * _.random(0, 5); + * // => an integer between 0 and 5 + * + * _.random(5); + * // => also an integer between 0 and 5 + * + * _.random(5, true); + * // => a floating-point number between 0 and 5 + * + * _.random(1.2, 5.2); + * // => a floating-point number between 1.2 and 5.2 + */function random(lower,upper,floating){if(floating&&typeof floating!='boolean'&&isIterateeCall(lower,upper,floating)){upper=floating=undefined;}if(floating===undefined){if(typeof upper=='boolean'){floating=upper;upper=undefined;}else if(typeof lower=='boolean'){floating=lower;lower=undefined;}}if(lower===undefined&&upper===undefined){lower=0;upper=1;}else{lower=toFinite(lower);if(upper===undefined){upper=lower;lower=0;}else{upper=toFinite(upper);}}if(lower>upper){var temp=lower;lower=upper;upper=temp;}if(floating||lower%1||upper%1){var rand=nativeRandom();return nativeMin(lower+rand*(upper-lower+freeParseFloat('1e-'+((rand+'').length-1))),upper);}return baseRandom(lower,upper);}/*------------------------------------------------------------------------*/ /** + * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase). + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category String + * @param {string} [string=''] The string to convert. + * @returns {string} Returns the camel cased string. + * @example + * + * _.camelCase('Foo Bar'); + * // => 'fooBar' + * + * _.camelCase('--foo-bar--'); + * // => 'fooBar' + * + * _.camelCase('__FOO_BAR__'); + * // => 'fooBar' + */var camelCase=createCompounder(function(result,word,index){word=word.toLowerCase();return result+(index?capitalize(word):word);});/** + * Converts the first character of `string` to upper case and the remaining + * to lower case. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category String + * @param {string} [string=''] The string to capitalize. + * @returns {string} Returns the capitalized string. + * @example + * + * _.capitalize('FRED'); + * // => 'Fred' + */function capitalize(string){return upperFirst(toString(string).toLowerCase());}/** + * Deburrs `string` by converting + * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table) + * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A) + * letters to basic Latin letters and removing + * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks). + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category String + * @param {string} [string=''] The string to deburr. + * @returns {string} Returns the deburred string. + * @example + * + * _.deburr('déjà vu'); + * // => 'deja vu' + */function deburr(string){string=toString(string);return string&&string.replace(reLatin,deburrLetter).replace(reComboMark,'');}/** + * Checks if `string` ends with the given target string. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category String + * @param {string} [string=''] The string to inspect. + * @param {string} [target] The string to search for. + * @param {number} [position=string.length] The position to search up to. + * @returns {boolean} Returns `true` if `string` ends with `target`, + * else `false`. + * @example + * + * _.endsWith('abc', 'c'); + * // => true + * + * _.endsWith('abc', 'b'); + * // => false + * + * _.endsWith('abc', 'b', 2); + * // => true + */function endsWith(string,target,position){string=toString(string);target=baseToString(target);var length=string.length;position=position===undefined?length:baseClamp(toInteger(position),0,length);var end=position;position-=target.length;return position>=0&&string.slice(position,end)==target;}/** + * Converts the characters "&", "<", ">", '"', and "'" in `string` to their + * corresponding HTML entities. + * + * **Note:** No other characters are escaped. To escape additional + * characters use a third-party library like [_he_](https://mths.be/he). + * + * Though the ">" character is escaped for symmetry, characters like + * ">" and "/" don't need escaping in HTML and have no special meaning + * unless they're part of a tag or unquoted attribute value. See + * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands) + * (under "semi-related fun fact") for more details. + * + * When working with HTML you should always + * [quote attribute values](http://wonko.com/post/html-escaping) to reduce + * XSS vectors. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category String + * @param {string} [string=''] The string to escape. + * @returns {string} Returns the escaped string. + * @example + * + * _.escape('fred, barney, & pebbles'); + * // => 'fred, barney, & pebbles' + */function escape(string){string=toString(string);return string&&reHasUnescapedHtml.test(string)?string.replace(reUnescapedHtml,escapeHtmlChar):string;}/** + * Escapes the `RegExp` special characters "^", "$", "\", ".", "*", "+", + * "?", "(", ")", "[", "]", "{", "}", and "|" in `string`. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category String + * @param {string} [string=''] The string to escape. + * @returns {string} Returns the escaped string. + * @example + * + * _.escapeRegExp('[lodash](https://lodash.com/)'); + * // => '\[lodash\]\(https://lodash\.com/\)' + */function escapeRegExp(string){string=toString(string);return string&&reHasRegExpChar.test(string)?string.replace(reRegExpChar,'\\$&'):string;}/** + * Converts `string` to + * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles). + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category String + * @param {string} [string=''] The string to convert. + * @returns {string} Returns the kebab cased string. + * @example + * + * _.kebabCase('Foo Bar'); + * // => 'foo-bar' + * + * _.kebabCase('fooBar'); + * // => 'foo-bar' + * + * _.kebabCase('__FOO_BAR__'); + * // => 'foo-bar' + */var kebabCase=createCompounder(function(result,word,index){return result+(index?'-':'')+word.toLowerCase();});/** + * Converts `string`, as space separated words, to lower case. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category String + * @param {string} [string=''] The string to convert. + * @returns {string} Returns the lower cased string. + * @example + * + * _.lowerCase('--Foo-Bar--'); + * // => 'foo bar' + * + * _.lowerCase('fooBar'); + * // => 'foo bar' + * + * _.lowerCase('__FOO_BAR__'); + * // => 'foo bar' + */var lowerCase=createCompounder(function(result,word,index){return result+(index?' ':'')+word.toLowerCase();});/** + * Converts the first character of `string` to lower case. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category String + * @param {string} [string=''] The string to convert. + * @returns {string} Returns the converted string. + * @example + * + * _.lowerFirst('Fred'); + * // => 'fred' + * + * _.lowerFirst('FRED'); + * // => 'fRED' + */var lowerFirst=createCaseFirst('toLowerCase');/** + * Pads `string` on the left and right sides if it's shorter than `length`. + * Padding characters are truncated if they can't be evenly divided by `length`. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category String + * @param {string} [string=''] The string to pad. + * @param {number} [length=0] The padding length. + * @param {string} [chars=' '] The string used as padding. + * @returns {string} Returns the padded string. + * @example + * + * _.pad('abc', 8); + * // => ' abc ' + * + * _.pad('abc', 8, '_-'); + * // => '_-abc_-_' + * + * _.pad('abc', 3); + * // => 'abc' + */function pad(string,length,chars){string=toString(string);length=toInteger(length);var strLength=length?stringSize(string):0;if(!length||strLength>=length){return string;}var mid=(length-strLength)/2;return createPadding(nativeFloor(mid),chars)+string+createPadding(nativeCeil(mid),chars);}/** + * Pads `string` on the right side if it's shorter than `length`. Padding + * characters are truncated if they exceed `length`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category String + * @param {string} [string=''] The string to pad. + * @param {number} [length=0] The padding length. + * @param {string} [chars=' '] The string used as padding. + * @returns {string} Returns the padded string. + * @example + * + * _.padEnd('abc', 6); + * // => 'abc ' + * + * _.padEnd('abc', 6, '_-'); + * // => 'abc_-_' + * + * _.padEnd('abc', 3); + * // => 'abc' + */function padEnd(string,length,chars){string=toString(string);length=toInteger(length);var strLength=length?stringSize(string):0;return length&&strLength ' abc' + * + * _.padStart('abc', 6, '_-'); + * // => '_-_abc' + * + * _.padStart('abc', 3); + * // => 'abc' + */function padStart(string,length,chars){string=toString(string);length=toInteger(length);var strLength=length?stringSize(string):0;return length&&strLength 8 + * + * _.map(['6', '08', '10'], _.parseInt); + * // => [6, 8, 10] + */function parseInt(string,radix,guard){if(guard||radix==null){radix=0;}else if(radix){radix=+radix;}return nativeParseInt(toString(string).replace(reTrimStart,''),radix||0);}/** + * Repeats the given string `n` times. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category String + * @param {string} [string=''] The string to repeat. + * @param {number} [n=1] The number of times to repeat the string. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {string} Returns the repeated string. + * @example + * + * _.repeat('*', 3); + * // => '***' + * + * _.repeat('abc', 2); + * // => 'abcabc' + * + * _.repeat('abc', 0); + * // => '' + */function repeat(string,n,guard){if(guard?isIterateeCall(string,n,guard):n===undefined){n=1;}else{n=toInteger(n);}return baseRepeat(toString(string),n);}/** + * Replaces matches for `pattern` in `string` with `replacement`. + * + * **Note:** This method is based on + * [`String#replace`](https://mdn.io/String/replace). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category String + * @param {string} [string=''] The string to modify. + * @param {RegExp|string} pattern The pattern to replace. + * @param {Function|string} replacement The match replacement. + * @returns {string} Returns the modified string. + * @example + * + * _.replace('Hi Fred', 'Fred', 'Barney'); + * // => 'Hi Barney' + */function replace(){var args=arguments,string=toString(args[0]);return args.length<3?string:string.replace(args[1],args[2]);}/** + * Converts `string` to + * [snake case](https://en.wikipedia.org/wiki/Snake_case). + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category String + * @param {string} [string=''] The string to convert. + * @returns {string} Returns the snake cased string. + * @example + * + * _.snakeCase('Foo Bar'); + * // => 'foo_bar' + * + * _.snakeCase('fooBar'); + * // => 'foo_bar' + * + * _.snakeCase('--FOO-BAR--'); + * // => 'foo_bar' + */var snakeCase=createCompounder(function(result,word,index){return result+(index?'_':'')+word.toLowerCase();});/** + * Splits `string` by `separator`. + * + * **Note:** This method is based on + * [`String#split`](https://mdn.io/String/split). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category String + * @param {string} [string=''] The string to split. + * @param {RegExp|string} separator The separator pattern to split by. + * @param {number} [limit] The length to truncate results to. + * @returns {Array} Returns the string segments. + * @example + * + * _.split('a-b-c', '-', 2); + * // => ['a', 'b'] + */function split(string,separator,limit){if(limit&&typeof limit!='number'&&isIterateeCall(string,separator,limit)){separator=limit=undefined;}limit=limit===undefined?MAX_ARRAY_LENGTH:limit>>>0;if(!limit){return[];}string=toString(string);if(string&&(typeof separator=='string'||separator!=null&&!isRegExp(separator))){separator=baseToString(separator);if(!separator&&hasUnicode(string)){return castSlice(stringToArray(string),0,limit);}}return string.split(separator,limit);}/** + * Converts `string` to + * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage). + * + * @static + * @memberOf _ + * @since 3.1.0 + * @category String + * @param {string} [string=''] The string to convert. + * @returns {string} Returns the start cased string. + * @example + * + * _.startCase('--foo-bar--'); + * // => 'Foo Bar' + * + * _.startCase('fooBar'); + * // => 'Foo Bar' + * + * _.startCase('__FOO_BAR__'); + * // => 'FOO BAR' + */var startCase=createCompounder(function(result,word,index){return result+(index?' ':'')+upperFirst(word);});/** + * Checks if `string` starts with the given target string. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category String + * @param {string} [string=''] The string to inspect. + * @param {string} [target] The string to search for. + * @param {number} [position=0] The position to search from. + * @returns {boolean} Returns `true` if `string` starts with `target`, + * else `false`. + * @example + * + * _.startsWith('abc', 'a'); + * // => true + * + * _.startsWith('abc', 'b'); + * // => false + * + * _.startsWith('abc', 'b', 1); + * // => true + */function startsWith(string,target,position){string=toString(string);position=position==null?0:baseClamp(toInteger(position),0,string.length);target=baseToString(target);return string.slice(position,position+target.length)==target;}/** + * Creates a compiled template function that can interpolate data properties + * in "interpolate" delimiters, HTML-escape interpolated data properties in + * "escape" delimiters, and execute JavaScript in "evaluate" delimiters. Data + * properties may be accessed as free variables in the template. If a setting + * object is given, it takes precedence over `_.templateSettings` values. + * + * **Note:** In the development build `_.template` utilizes + * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl) + * for easier debugging. + * + * For more information on precompiling templates see + * [lodash's custom builds documentation](https://lodash.com/custom-builds). + * + * For more information on Chrome extension sandboxes see + * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval). + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category String + * @param {string} [string=''] The template string. + * @param {Object} [options={}] The options object. + * @param {RegExp} [options.escape=_.templateSettings.escape] + * The HTML "escape" delimiter. + * @param {RegExp} [options.evaluate=_.templateSettings.evaluate] + * The "evaluate" delimiter. + * @param {Object} [options.imports=_.templateSettings.imports] + * An object to import into the template as free variables. + * @param {RegExp} [options.interpolate=_.templateSettings.interpolate] + * The "interpolate" delimiter. + * @param {string} [options.sourceURL='lodash.templateSources[n]'] + * The sourceURL of the compiled template. + * @param {string} [options.variable='obj'] + * The data object variable name. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {Function} Returns the compiled template function. + * @example + * + * // Use the "interpolate" delimiter to create a compiled template. + * var compiled = _.template('hello <%= user %>!'); + * compiled({ 'user': 'fred' }); + * // => 'hello fred!' + * + * // Use the HTML "escape" delimiter to escape data property values. + * var compiled = _.template('<%- value %>'); + * compiled({ 'value': '