migrate from commonjs to esm modules

.gitignore

@@ -6,8 +6,12 @@
 logs
 *.log
 
+# Test directory generated by unit test tools
+.nyc_output
+
 # Coverage directory used by tools like istanbul
 coverage
+.coverage
 
 # Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
 .grunt
@@ -26,6 +30,3 @@ dist/
 
 # MAC finder files
 .DS_Store
-
-# Tags file (generated by ctags)
-tags

.mocharc.jsonc

@@ -0,0 +1,9 @@
+{
+    "watch-files": ["src/**/*.js", "test/**/*.js"],
+    "spec": [
+        "test/**/*.js"
+    ],
+    "timeout": "5000",
+    "loader": ["esmock"],
+    "parallel": false
+}

.npmignore

@@ -8,6 +8,7 @@ logs
 
 # Coverage directory used by tools like istanbul
 coverage
+.nyc_output
 
 # Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
 .grunt

.nycrc.json

@@ -0,0 +1,5 @@
+{
+    "reporter": ["text", "html"],
+    "temp-dir": ".nyc_output",
+	"report-dir": ".coverage"
+}

.projections.json

@@ -6,5 +6,13 @@
     "src/*.js": {
         "alternate": "test/unit/{}-spec.js",
         "type": "src"
+    },
+    "test/unit/*-spec.ts": {
+        "alternate": "src/{}.ts",
+        "type": "unit"
+    },
+    "src/*.ts": {
+        "alternate": "test/unit/{}-spec.ts",
+        "type": "src"
     }
 }

Gulpfile.js

@@ -1,51 +1,15 @@
-'use strict';
-
 /**
  * Dynamically defines develop/test/build/deploy tasks for the current project
  * based on metadata present in package.json.
  */
-const _log = require('fancy-log');
-const _colors = require('ansi-colors');
-
-const { Project, taskBuilders } = require('@vamship/build-utils');
-
-const project = new Project(require('./package.json'));
-
-const projectInfo = `${_colors.cyan.bold(project.name)} (${_colors.blue(
-    project.projectType
-)}, ${_colors.green(project.language)})`;
-
-_log.info(`Initializing tasks for project: ${projectInfo}`);
-
-const builders = [
-    { build: taskBuilders.clean },
-    { build: taskBuilders.format },
-    { build: taskBuilders.lint },
-    { build: taskBuilders.build },
-    { build: taskBuilders.docs },
-    { build: taskBuilders.package },
-    { build: taskBuilders.package, options: { types: true } },
-    { build: taskBuilders.publish },
-    { build: taskBuilders.publish, options: { latestOnly: true } },
-    { build: taskBuilders.publish, options: { types: true } },
-    { build: taskBuilders.package, options: { types: true, latestOnly: true } },
-
-    { build: taskBuilders.test, options: { testType: 'unit' } },
-    { build: taskBuilders.test, options: { testType: 'api' } },
-    { build: taskBuilders.format, options: { watch: true } },
-    { build: taskBuilders.lint, options: { watch: true } },
-    { build: taskBuilders.build, options: { watch: true } },
-    { build: taskBuilders.test, options: { testType: 'unit', watch: true } },
-    { build: taskBuilders.test, options: { testType: 'api', watch: true } },
-];
+import _log from 'fancy-log';
+import _fs from 'fs';
+import _gulp from 'gulp';
+import { Project, getTaskFactory } from '@vamship/build-utils';
 
-const tasks = builders
-    .map(({ build, options }) => build(project, Object.assign({}, options)))
-    .reduce((result, tasks) => result.concat(tasks), [])
-    .filter((task) => !!task)
-    .reduce((result, task) => {
-        result[task.displayName] = task;
-        return result;
-    }, {});
+const _package = JSON.parse(_fs.readFileSync('./package.json', 'utf-8'));
+const project = new Project(_package);
 
-module.exports = tasks;
+_log.info(`Initializing tasks for project: ${project.banner}`);
+const factory = getTaskFactory(project);
+factory.createTasks().forEach((task) => _gulp.task(task));

eslint.config.js

@@ -0,0 +1,65 @@
+import tselPlugin from '@typescript-eslint/eslint-plugin';
+import tselParser from '@typescript-eslint/parser';
+
+const tselRules = tselPlugin.configs.recommended.rules;
+
+function mapRuleNamespace(rules, sourceNamespace, targetNamespace) {
+    const pattern = new RegExp(sourceNamespace);
+    return Object.keys(rules).reduce((result, key) => {
+        const newKey = key.replace(pattern, targetNamespace);
+        result[newKey] = rules[key];
+        return result;
+    }, {});
+}
+
+const commonRules = {
+    semi: 'error',
+    'no-trailing-spaces': 'error',
+};
+
+export default [
+    'eslint:recommended',
+    {
+        files: ['**/*.js', '**/*.jsx'],
+        languageOptions: {
+            globals: {
+                console: true,
+                it: true,
+                describe: true,
+                setInterval: true,
+                clearInterval: true,
+                beforeEach: true,
+                setTimeout: true,
+            },
+        },
+        rules: {
+            ...commonRules,
+            'no-unused-vars': ['error', { args: 'none' }],
+        },
+    },
+    {
+        files: ['**/*.ts', '**/*.tsx'],
+        languageOptions: {
+            parser: tselParser,
+            globals: {
+                console: true,
+                it: true,
+                describe: true,
+                setInterval: true,
+                clearInterval: true,
+                beforeEach: true,
+                setTimeout: true,
+            },
+        },
+        plugins: {
+            tsel: tselPlugin,
+        },
+        rules: Object.assign(
+            mapRuleNamespace(tselRules, '@typescript-eslint', 'tsel'),
+            {
+                ...commonRules,
+                'tsel/no-unused-vars': ['error', { args: 'none' }],
+            }
+        ),
+    },
+];