feat: plural rule improvement (#708)

* adds test cases for PL to underline issue

* adds other as plural fallback values for few and many

* use ??

* update sizes

* add changelog

---------

Co-authored-by: Ivan Hofer <ivan.hofer@outlook.com>

Author: mledl

.size-limit.js

@@ -2,61 +2,61 @@ module.exports = [
 	{
 		name: 'i18n-string',
 		path: 'dist/i18n.string.min.js',
-		limit: '945 b',
+		limit: '948 b',
 	},
 	{
 		name: 'typed-i18n-string',
 		path: 'dist/i18n.typed.string.min.js',
-		limit: '949 b',
+		limit: '953 b',
 	},
 	{
 		name: 'i18n-object',
 		path: 'dist/i18n.object.min.js',
-		limit: '1086 b',
+		limit: '1089 b',
 	},
 	{
 		name: 'typed-i18n-object',
 		path: 'dist/i18n.typed.object.min.js',
-		limit: '1090 b',
+		limit: '1095 b',
 	},
 	{
 		name: 'i18n-instance',
 		path: 'dist/i18n.instance.min.js',
-		limit: '1117 b',
+		limit: '1119 b',
 	},
 	{
 		name: 'all together',
 		path: 'dist/i18n.all.min.js',
-		limit: '1192 b',
+		limit: '1194 b',
 	},
 	{
 		name: 'adapter-angular',
 		path: 'angular/index.min.mjs',
-		limit: '1225 b',
+		limit: '1230 b',
 		ignore: ['angular'],
 	},
 	{
 		name: 'adapter-react',
 		path: 'react/index.min.mjs',
-		limit: '1560 b',
+		limit: '1562 b',
 		ignore: ['react'],
 	},
 	{
 		name: 'adapter-solid',
 		path: 'solid/index.min.mjs',
-		limit: '1402 b',
+		limit: '1403 b',
 		ignore: ['solid-js'],
 	},
 	{
 		name: 'adapter-svelte',
 		path: 'svelte/index.min.mjs',
-		limit: '1339 b',
+		limit: '1342 b',
 		ignore: ['svelte'],
 	},
 	{
 		name: 'adapter-vue',
 		path: 'vue/index.min.mjs',
-		limit: '1253 b',
+		limit: '1256 b',
 		ignore: ['vue'],
 	},
 ]

CHANGELOG.md

@@ -2,6 +2,11 @@
 
 # Version 5
 
+## 5.26.0 (2023-08-01)
+
+Feat:
+ - improved plural rules support for polnish [#672](https://github.com/ivanhofer/typesafe-i18n/issues/672)
+
 ## 5.25.1 (2023-07-20)
 
 Fix:

README.md

@@ -233,18 +233,18 @@ The footprint of the `typesafe-i18n` package is smaller compared to other existi
 
 These parts are bundled into the [core functions](https://github.com/ivanhofer/typesafe-i18n/tree/main/packages/runtime#usage). The sizes of the core functionalities are:
 
-- [i18nString](https://github.com/ivanhofer/typesafe-i18n/tree/main/packages/runtime#i18nString): 945 bytes gzipped
-- [i18nObject](https://github.com/ivanhofer/typesafe-i18n/tree/main/packages/runtime#i18nObject): 1086 bytes gzipped
-- [i18n](https://github.com/ivanhofer/typesafe-i18n/tree/main/packages/runtime#i18n): 1117 bytes gzipped
+- [i18nString](https://github.com/ivanhofer/typesafe-i18n/tree/main/packages/runtime#i18nString): 948 bytes gzipped
+- [i18nObject](https://github.com/ivanhofer/typesafe-i18n/tree/main/packages/runtime#i18nObject): 1089 bytes gzipped
+- [i18n](https://github.com/ivanhofer/typesafe-i18n/tree/main/packages/runtime#i18n): 1119 bytes gzipped
 
 Apart from that there can be a small overhead depending on which utilities and wrappers you use.
 
 There also exists a useful wrapper for some frameworks:
-- [`typesafe-i18n` angular-service](https://github.com/ivanhofer/typesafe-i18n/tree/main/packages/adapter-angular): 1225 bytes gzipped
-- [`typesafe-i18n` react-context](https://github.com/ivanhofer/typesafe-i18n/tree/main/packages/adapter-react): 1560 bytes gzipped
-- [`typesafe-i18n` solid-context](https://github.com/ivanhofer/typesafe-i18n/tree/main/packages/adapter-solid): 1402 bytes gzipped
-- [`typesafe-i18n` svelte-store](https://github.com/ivanhofer/typesafe-i18n/tree/main/packages/adapter-svelte): 1339 bytes gzipped
-- [`typesafe-i18n` vue-plugin](https://github.com/ivanhofer/typesafe-i18n/tree/main/packages/adapter-vue): 1253 bytes gzipped
+- [`typesafe-i18n` angular-service](https://github.com/ivanhofer/typesafe-i18n/tree/main/packages/adapter-angular): 1230 bytes gzipped
+- [`typesafe-i18n` react-context](https://github.com/ivanhofer/typesafe-i18n/tree/main/packages/adapter-react): 1562 bytes gzipped
+- [`typesafe-i18n` solid-context](https://github.com/ivanhofer/typesafe-i18n/tree/main/packages/adapter-solid): 1403 bytes gzipped
+- [`typesafe-i18n` svelte-store](https://github.com/ivanhofer/typesafe-i18n/tree/main/packages/adapter-svelte): 1342 bytes gzipped
+- [`typesafe-i18n` vue-plugin](https://github.com/ivanhofer/typesafe-i18n/tree/main/packages/adapter-vue): 1256 bytes gzipped
 
 
 <!-- ------------------------------------------------------------------------------------------ -->

packages/runtime/src/core.mts

@@ -157,9 +157,9 @@ const getPlural = (pluralRules: Intl.PluralRules, { z, o, t, f, m, r }: BasicPlu
 		case 'two':
 			return t
 		case 'few':
-			return f
+			return f ?? r
 		case 'many':
-			return m
+			return m ?? r
 		default:
 			return r
 	}

packages/runtime/src/util.object.test.ts

@@ -267,4 +267,16 @@ test('switch-case with comma 2', () =>
 
 // --------------------------------------------------------------------------------------------------------------------
 
+const LL10 = i18nObject('pl', {
+	MULTIPLE_PARAMS_PLURAL: '{0} banana{{s}} and {1} apple{{s}}',
+	SINGULAR_PLURAL: '{{ one item | ?? items }}',
+})
+
+test('multiple params plural for language without PluralRule other', () =>
+	assert.is(LL10.MULTIPLE_PARAMS_PLURAL(1, 2), '1 banana and 2 apples'))
+test('plural zero: one for language without PluralRule other', () => assert.is(LL10.SINGULAR_PLURAL(1), 'one item'))
+test('plural zero: ?? for language without PluralRule other', () => assert.is(LL10.SINGULAR_PLURAL(5), '5 items'))
+
+// --------------------------------------------------------------------------------------------------------------------
+
 test.run()

packages/version.ts

@@ -1,2 +1,2 @@
 // this file gets auto-generated
-export const version = '5.25.0'
+export const version = '5.25.1'