fix(unplugin-vue-i18n): plugin option made be optional (#390)

Author: kazupon

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

@@ -3,12 +3,18 @@ import createDebug from 'debug'
 import { raiseError, checkInstallPackage, resolveNamespace } from './utils'
 import { resolveOptions, resourcePlugin, directivePlugin } from './core'
 
+import type { UnpluginFactory, UnpluginInstance } from 'unplugin'
 import type { PluginOptions } from './types'
 
 const debug = createDebug(resolveNamespace('root'))
 const installedPkgInfo = checkInstallPackage(debug)
 
-export const unplugin = createUnplugin<PluginOptions>((options = {}, meta) => {
+export * from './types'
+
+export const unpluginFactory: UnpluginFactory<PluginOptions | undefined> = (
+  options = {},
+  meta
+) => {
   debug('meta framework', meta.framework)
   // check bundler type
   if (!['vite', 'webpack'].includes(meta.framework)) {
@@ -31,8 +37,9 @@ export const unplugin = createUnplugin<PluginOptions>((options = {}, meta) => {
   }
 
   return plugins
-})
+}
 
-export default unplugin
+export const unplugin: UnpluginInstance<PluginOptions | undefined, boolean> =
+  /* #__PURE__ */ createUnplugin(unpluginFactory)
 
-export * from './types'
+export default unplugin

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

@@ -1,3 +1,10 @@
-import unplugin from '.'
+import { createVitePlugin } from 'unplugin'
+import { unpluginFactory } from '.'
 
-export default unplugin.vite
+import type { UnpluginInstance } from 'unplugin'
+import type { PluginOptions } from './types'
+
+const vite: UnpluginInstance<PluginOptions | undefined, boolean>['vite'] =
+  createVitePlugin(unpluginFactory)
+
+export default vite

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

@@ -1,3 +1,9 @@
-import unplugin from '.'
+import { createWebpackPlugin } from 'unplugin'
+import { unpluginFactory } from '.'
 
-export default unplugin.webpack
+import type { UnpluginInstance } from 'unplugin'
+import type { PluginOptions } from './types'
+
+const webpack: UnpluginInstance<PluginOptions | undefined, boolean>['webpack'] =
+  createWebpackPlugin(unpluginFactory)
+export default webpack