feat!(unplugin-vue-i18n):support vue-i18n v12 (#436)

* support v12: mjs to js

* support v12: remove legacy

* support v12: update docs

* support v12: remove bridge

* support v12: remove bridge

* support v12: revert rollup-plugin, vite-plugin and loader

* support v12: add doc note

* support v12: note to caution

* revert sourcemap

Author: babu-ch

.gitignore

@@ -1,6 +1,5 @@
 coverage
 node_modules
-packages/rollup-plugin-vue-i18n/examples/legacy/index.js
 packages/rollup-plugin-vue-i18n/examples/global/index.js
 packages/rollup-plugin-vue-i18n/examples/composition/index.js
 packages/vite-plugin-vue-i18n/examples/dist

.prettierignore

@@ -7,4 +7,3 @@ packages/**/examples/dist
 packages/**/CHANGELOG.md
 packages/rollup-plugin-vue-i18n/examples/composition/index.js
 packages/rollup-plugin-vue-i18n/examples/global/index.js
-packages/rollup-plugin-vue-i18n/examples/legacy/index.js

examples/vite/src/main.ts

@@ -4,7 +4,6 @@ import App from './App.vue'
 import messages from '@intlify/unplugin-vue-i18n/messages'
 
 const i18n = createI18n({
-  legacy: false,
   locale: 'ja',
   messages
 })

examples/webpack/src/main.js

@@ -6,7 +6,6 @@ import ja from './locales/ja.json'
 import en from './locales/en.yaml'
 
 const i18n = createI18n({
-  legacy: false,
   locale: 'ja',
   messages: {
     en,

packages/bundle-utils/src/codegen.ts

@@ -44,8 +44,6 @@ export interface SourceLocationable {
  */
 export interface CodeGenOptions {
   type?: 'plain' | 'sfc' | 'bare'
-  legacy?: boolean
-  bridge?: boolean
   exportESM?: boolean
   onlyLocales?: string[]
   source?: string

packages/unplugin-vue-i18n/README.md

@@ -439,6 +439,9 @@ If do you will use this option, you need to enable `jitCompilation` option.
 
   For more details, See [here](https://vue-i18n.intlify.dev/guide/advanced/optimization.html#reduce-bundle-size-with-feature-build-flags)
 
+> [!CAUTION]
+> This option will be removed in v7
+
 ### `fullInstall`
 
 - **Type:** `boolean`

packages/unplugin-vue-i18n/src/core/options.ts

@@ -40,13 +40,6 @@ export function resolveOptions(options: PluginOptions) {
 
   const dropMessageCompiler = !!options.dropMessageCompiler
 
-  // prettier-ignore
-  const compositionOnly = moduleType === 'vue-i18n'
-      ? isBoolean(options.compositionOnly)
-        ? options.compositionOnly
-        : true
-      : true
-
   // prettier-ignore
   const fullInstall = moduleType === 'vue-i18n'
     ? isBoolean(options.fullInstall)
@@ -90,7 +83,6 @@ export function resolveOptions(options: PluginOptions) {
     globalSFCScope,
     runtimeOnly,
     dropMessageCompiler,
-    compositionOnly,
     fullInstall,
     ssrBuild,
     allowDynamic,

packages/unplugin-vue-i18n/src/core/resource.ts

@@ -55,7 +55,6 @@ export function resourcePlugin(
     globalSFCScope,
     runtimeOnly,
     dropMessageCompiler,
-    compositionOnly,
     fullInstall,
     ssrBuild,
     strictMessage,
@@ -68,7 +67,7 @@ export function resourcePlugin(
   const filter = createFilter(include, exclude)
   const getVueI18nAliasPath = ({ ssr = false, runtimeOnly = false }) => {
     return `${module}/dist/${module}${runtimeOnly ? '.runtime' : ''}.${
-      !ssr ? 'esm-bundler.js' /* '.mjs' */ : 'node.mjs'
+      !ssr ? 'esm-bundler.js' : 'node.js'
     }`
   }
   let isProduction = false
@@ -100,7 +99,6 @@ export function resourcePlugin(
       config() {
         const defineConfig = {
           define: {
-            __VUE_I18N_LEGACY_API__: !compositionOnly,
             __VUE_I18N_FULL_INSTALL__: fullInstall,
             __INTLIFY_DROP_MESSAGE_COMPILER__: dropMessageCompiler,
             __VUE_I18N_PROD_DEVTOOLS__: false
@@ -269,12 +267,10 @@ export function resourcePlugin(
         if (webpack) {
           compiler.options.plugins!.push(
             new webpack.DefinePlugin({
-              __VUE_I18N_LEGACY_API__: JSON.stringify(compositionOnly),
               __VUE_I18N_FULL_INSTALL__: JSON.stringify(fullInstall),
               __INTLIFY_PROD_DEVTOOLS__: 'false'
             })
           )
-          debug(`set __VUE_I18N_LEGACY_API__ is '${compositionOnly}'`)
           debug(`set __VUE_I18N_FULL_INSTALL__ is '${fullInstall}'`)
         } else {
           debug('ignore vue-i18n feature flags with webpack.DefinePlugin')

packages/unplugin-vue-i18n/src/types.ts

@@ -8,7 +8,6 @@ export interface PluginOptions {
   module?: VueI18nModule
   dropMessageCompiler?: boolean
   runtimeOnly?: boolean
-  compositionOnly?: boolean
   ssr?: boolean
   fullInstall?: boolean
   forceStringify?: boolean

packages/unplugin-vue-i18n/test/utils.ts

@@ -173,8 +173,6 @@ export async function bundleAndRun(
     ? options.globalSFCScope
     : undefined
   options.sourcemap = isBoolean(options.sourcemap) || false
-  options.bridge = isBoolean(options.bridge) || false
-  options.legacy = isBoolean(options.legacy) || false
   options.vueVersion = isString(options.vueVersion)
     ? options.vueVersion
     : 'v2.6'