chore: migrate to @oxc-project/runtime

Author: sapphi-red

packages/vite/package.json

@@ -85,7 +85,7 @@
   },
   "//": "READ CONTRIBUTING.md to understand what to put under deps vs. devDeps!",
   "dependencies": {
-    "@babel/runtime": "^7.26.0",
+    "@oxc-project/runtime": "^0.51.0",
     "lightningcss": "^1.29.1",
     "postcss": "^8.5.3",
     "rolldown": "1.0.0-beta.3-commit.1910872"

packages/vite/src/node/plugins/oxc.ts

@@ -356,61 +356,17 @@ export function oxcPlugin(config: ResolvedConfig): Plugin {
     resolveId: {
       // @ts-expect-error TODO: fix the types
       filter: {
-        id: /^@babel\/runtime\//,
+        id: /^@oxc-project\/runtime\//,
       },
       async handler(id, _importer, opts) {
-        if (!id.startsWith('@babel/runtime/')) return
+        if (!id.startsWith('@oxc-project/runtime/')) return
 
-        if (
-          id === '@babel/runtime/helpers/decorate' ||
-          id === '@babel/runtime/helpers/decorateParam'
-        ) {
-          return id
-        }
-
-        // @babel/runtime imports will be injected by OXC transform
-        // since it's injected by the transform, @babel/runtime should be resolved to the one Vite depends on
+        // @oxc-project/runtime imports will be injected by OXC transform
+        // since it's injected by the transform, @oxc-project/runtime should be resolved to the one Vite depends on
         const resolved = await this.resolve(id, _filename, opts)
         return resolved
       },
     },
-    // TODO: applied a workaround for now
-    load: {
-      handler(id) {
-        if (id === '@babel/runtime/helpers/decorateParam') {
-          return `function __decorateParam(paramIndex, decorator) {
-  return function (target, key) {
-    decorator(target, key, paramIndex);
-  };
-}
-
-export { __decorateParam as default };`
-        }
-        if (id === '@babel/runtime/helpers/decorate') {
-          return `function __decorate(decorators, target, key, desc) {
-  var c = arguments.length,
-    r =
-      c < 3
-        ? target
-        : desc === null
-          ? (desc = Object.getOwnPropertyDescriptor(target, key))
-          : desc,
-    d;
-  if (typeof Reflect === "object" && typeof Reflect.decorate === "function")
-    r = Reflect.decorate(decorators, target, key, desc);
-  else
-    for (var i = decorators.length - 1; i >= 0; i--)
-      if ((d = decorators[i]))
-        r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
-  return c > 3 && r && Object.defineProperty(target, key, r), r;
-}
-
-(module.exports = __decorate),
-  (module.exports.__esModule = true),
-  (module.exports["default"] = module.exports);`
-        }
-      },
-    },
     async transform(code, id) {
       if (filter(id) || filter(cleanUrl(id))) {
         const modifiedOxcTransformOptions = getModifiedOxcTransformOptions(