From 005c9bb0d20cf1605898867883bc273989822778 Mon Sep 17 00:00:00 2001
From: Hiroshi Ogawa <hi.ogawa.zz@gmail.com>
Date: Sat, 14 Dec 2024 12:40:04 +0900
Subject: [PATCH] refactor: simplify runtime globals

---
 packages/vite/misc/rolldown-runtime.js        |  6 +++++
 .../src/node/server/environments/rolldown.ts  | 27 ++++++-------------
 2 files changed, 14 insertions(+), 19 deletions(-)

diff --git a/packages/vite/misc/rolldown-runtime.js b/packages/vite/misc/rolldown-runtime.js
index b7914e635c921a..5e0930bfabc6e0 100644
--- a/packages/vite/misc/rolldown-runtime.js
+++ b/packages/vite/misc/rolldown-runtime.js
@@ -127,6 +127,7 @@ var __rolldown_runtime = {
       exports: {},
       parents: parent ? [parent] : [],
       hot: {
+        ...__rolldown_runtime.hot,
         selfAccept: false,
         acceptCallbacks: [],
         accept: function (callback) {
@@ -146,6 +147,7 @@ var __rolldown_runtime = {
       exports: module.exports,
       require: this.require.bind(this),
       ensureChunk: this.ensureChunk.bind(this),
+      updateStyle: this.updateStyle.bind(this),
       __toCommonJS,
       __toESM,
       __export,
@@ -278,4 +280,8 @@ var __rolldown_runtime = {
     const file = this.manifest.chunks[name].file
     await import(`/` + file)
   },
+
+  // injected via getRolldownClientCode
+  hot: {},
+  updateStyle() {},
 }
diff --git a/packages/vite/src/node/server/environments/rolldown.ts b/packages/vite/src/node/server/environments/rolldown.ts
index 70a0d2d21d1112..ba7bb3ae90dc78 100644
--- a/packages/vite/src/node/server/environments/rolldown.ts
+++ b/packages/vite/src/node/server/environments/rolldown.ts
@@ -59,6 +59,9 @@ export function rolldownDevHandleConfig(
     experimental: {
       enableNativePlugin: true,
     },
+    define: {
+      'import.meta.hot': 'module.hot',
+    },
     environments: {
       client: {
         dev: {
@@ -233,21 +236,6 @@ class RolldownEnvironment extends DevEnvironment {
         patchRuntimePlugin(this),
         patchCssPlugin(),
         reactRefreshPlugin(),
-        {
-          // TODO: import.meta not supported by app format
-          name: 'patch-import-meta',
-          transform: {
-            filter: {
-              code: [/import\.meta\.hot/],
-            },
-            handler(code) {
-              const output = new MagicString(code)
-              output.replaceAll('import.meta.hot.accept', 'module.hot.accept')
-              output.replaceAll('import.meta.hot.on', 'self.__rolldown_hot.on')
-              return { code: output.toString(), map: output.generateMap() }
-            },
-          },
-        },
       ],
       moduleTypes: {
         '.css': 'js',
@@ -612,8 +600,8 @@ function patchCssPlugin(): rolldown.Plugin {
         // TODO: import.meta.hot.prune
         const cssCode = code.match(/^const __vite__css = (.*)$/m)![1]
         const jsCode = `
-          __rolldown_updateStyle(${JSON.stringify(id)}, ${cssCode});
-          module.hot.accept();
+          __rolldown_runtime.updateStyle(${JSON.stringify(id)}, ${cssCode});
+          import.meta.hot.accept();
         `
         return { code: jsCode, moduleSideEffects: true }
       },
@@ -655,8 +643,9 @@ hot.on("rolldown:hmr", (data) => {
     import("/" + data.fileName + "?t=" + Date.now());
   }
 });
-self.__rolldown_hot = hot;
-self.__rolldown_updateStyle = updateStyle;
+hot.on = hot.on.bind(hot)
+__rolldown_runtime.hot = hot;
+__rolldown_runtime.updateStyle = updateStyle;
 `
   return `\n;(() => {/*** @vite/client ***/\n${code}}\n)();\n`
 }