Revert "fix(unplugin-vue-i18n): Support for transform.handler in vite:json pl…" (#487)

This reverts commit b8900e3.

Author: kazupon

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

@@ -21,8 +21,6 @@ import {
   checkVuePlugin,
   error,
   getVitePlugin,
-  getVitePluginTransform,
-  overrideVitePluginTransform,
   raiseError,
   resolveNamespace,
   warn
@@ -138,24 +136,11 @@ export function resourcePlugin(
           `configResolved: isProduction = ${isProduction}, sourceMap = ${sourceMap}`
         )
 
-        /**
-         * NOTE:
-         * For the native rolldown plugin, we need to change to another solution from the current workaround.
-         * Currently, the rolldown team and vite team are discussing this issue.
-         * https://github.com/vitejs/rolldown-vite/issues/120
-         */
-
         // json transform handling
         const jsonPlugin = getVitePlugin(config, 'vite:json')
         if (jsonPlugin) {
-          // saving `vite:json` plugin instance
-          const [orgTransform, transformWay] =
-            getVitePluginTransform(jsonPlugin)
-          if (!orgTransform) {
-            throw new Error('vite:json plugin not found!')
-          }
-
-          async function overrideViteJsonPlugin(code: string, id: string) {
+          const orgTransform = jsonPlugin.transform // backup @rollup/plugin-json
+          jsonPlugin.transform = async function (code: string, id: string) {
             if (!/\.json$/.test(id) || filter(id)) {
               return
             }
@@ -177,13 +162,6 @@ export function resourcePlugin(
             // @ts-expect-error
             return orgTransform!.apply(this, [code, id])
           }
-
-          // override `vite:json` plugin transform function
-          overrideVitePluginTransform(
-            jsonPlugin,
-            overrideViteJsonPlugin,
-            transformWay!
-          )
         }
 
         /**

packages/unplugin-vue-i18n/src/utils/plugin.ts

@@ -19,34 +19,6 @@ export function getVitePlugin(
   return config.plugins.find(p => p.name === name) as RollupPlugin
 }
 
-export function getVitePluginTransform(
-  plugin: RollupPlugin
-): [RollupPlugin['transform'], 'handler' | 'transform' | undefined] {
-  if (plugin.transform) {
-    return 'handler' in plugin.transform
-      ? [plugin.transform.handler, 'handler']
-      : [plugin.transform, 'transform']
-  } else {
-    return [undefined, undefined]
-  }
-}
-
-// TODO: `override` type, we need more strict type
-export function overrideVitePluginTransform(
-  plugin: RollupPlugin,
-  override: Function,
-  to: 'handler' | 'transform'
-): void {
-  if (plugin.transform == undefined) {
-    throw new Error('plugin.transform is undefined')
-  }
-  if (to === 'handler' && 'handler' in plugin.transform) {
-    plugin.transform.handler = override as typeof plugin.transform.handler
-  } else {
-    plugin.transform = override as typeof plugin.transform
-  }
-}
-
 export function checkVuePlugin(vuePlugin: RollupPlugin | null): boolean {
   if (vuePlugin == null || !vuePlugin.api) {
     error(