From aba57a5d12d020583299de12e5bc70d79cd4266a Mon Sep 17 00:00:00 2001
From: sapphi-red <49056869+sapphi-red@users.noreply.github.com>
Date: Mon, 12 Feb 2024 22:22:44 +0900
Subject: [PATCH 1/2] feat(ssr): `import.meta.filename`/`dirname` support

---
 .../ssr/__tests__/fixtures/modules/import-meta.js   |  2 ++
 .../src/node/ssr/__tests__/ssrLoadModule.spec.ts    | 10 ++++++++++
 packages/vite/src/node/ssr/ssrModuleLoader.ts       | 13 ++++++++++++-
 3 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 packages/vite/src/node/ssr/__tests__/fixtures/modules/import-meta.js

diff --git a/packages/vite/src/node/ssr/__tests__/fixtures/modules/import-meta.js b/packages/vite/src/node/ssr/__tests__/fixtures/modules/import-meta.js
new file mode 100644
index 00000000000000..cdaa5035d7ef4e
--- /dev/null
+++ b/packages/vite/src/node/ssr/__tests__/fixtures/modules/import-meta.js
@@ -0,0 +1,2 @@
+export const dirname = import.meta.dirname
+export const filename = import.meta.filename
diff --git a/packages/vite/src/node/ssr/__tests__/ssrLoadModule.spec.ts b/packages/vite/src/node/ssr/__tests__/ssrLoadModule.spec.ts
index 192b0b8cd3326f..b3f3c2364ef04b 100644
--- a/packages/vite/src/node/ssr/__tests__/ssrLoadModule.spec.ts
+++ b/packages/vite/src/node/ssr/__tests__/ssrLoadModule.spec.ts
@@ -52,3 +52,13 @@ test('error has same instance', async () => {
     expect(e[s]).toBe(true)
   }
 })
+
+test('import.meta.filename/dirname returns same value with Node', async () => {
+  const server = await createDevServer()
+  const moduleRelativePath = '/fixtures/modules/import-meta.js'
+  const filename = path.resolve(root, '.' + moduleRelativePath)
+
+  const viteValue = await server.ssrLoadModule(moduleRelativePath)
+  expect(viteValue.dirname).toBe(path.dirname(filename))
+  expect(viteValue.filename).toBe(filename)
+})
diff --git a/packages/vite/src/node/ssr/ssrModuleLoader.ts b/packages/vite/src/node/ssr/ssrModuleLoader.ts
index e836d1e5f5f788..1f67e5feb8c23a 100644
--- a/packages/vite/src/node/ssr/ssrModuleLoader.ts
+++ b/packages/vite/src/node/ssr/ssrModuleLoader.ts
@@ -2,7 +2,13 @@ import path from 'node:path'
 import { pathToFileURL } from 'node:url'
 import colors from 'picocolors'
 import type { ViteDevServer } from '../server'
-import { isBuiltin, isExternalUrl, isFilePathESM, unwrapId } from '../utils'
+import {
+  isBuiltin,
+  isExternalUrl,
+  isFilePathESM,
+  isWindows,
+  unwrapId,
+} from '../utils'
 import { transformRequest } from '../server/transformRequest'
 import type { InternalResolveOptionsWithOverrideConditions } from '../plugins/resolve'
 import { tryNodeResolve } from '../plugins/resolve'
@@ -127,7 +133,12 @@ async function instantiateModule(
   // referenced before it's been instantiated.
   mod.ssrModule = ssrModule
 
+  // replace '/' with '\\' on Windows to match Node.js
+  const osNormalizedFilename = isWindows ? path.resolve(mod.file!) : mod.file!
+
   const ssrImportMeta = {
+    dirname: path.dirname(osNormalizedFilename),
+    filename: osNormalizedFilename,
     // The filesystem URL, matching native Node.js modules
     url: pathToFileURL(mod.file!).toString(),
   }

From 69e228980e33b736f5b23d351085fc6146dcaac1 Mon Sep 17 00:00:00 2001
From: bluwy <bjornlu.dev@gmail.com>
Date: Tue, 12 Mar 2024 22:06:47 +0800
Subject: [PATCH 2/2] chore: fix

---
 packages/vite/src/node/ssr/ssrModuleLoader.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/vite/src/node/ssr/ssrModuleLoader.ts b/packages/vite/src/node/ssr/ssrModuleLoader.ts
index 5cd54cf79e119b..186922ff84c40b 100644
--- a/packages/vite/src/node/ssr/ssrModuleLoader.ts
+++ b/packages/vite/src/node/ssr/ssrModuleLoader.ts
@@ -2,7 +2,7 @@ import path from 'node:path'
 import { pathToFileURL } from 'node:url'
 import colors from 'picocolors'
 import type { ViteDevServer } from '../server'
-import { isBuiltin, isExternalUrl, isFilePathESM, isWindows } from '../utils'
+import { isBuiltin, isExternalUrl, isFilePathESM } from '../utils'
 import { transformRequest } from '../server/transformRequest'
 import type { InternalResolveOptionsWithOverrideConditions } from '../plugins/resolve'
 import { tryNodeResolve } from '../plugins/resolve'
@@ -10,6 +10,7 @@ import { genSourceMapUrl } from '../server/sourcemap'
 import {
   AsyncFunction,
   asyncFunctionDeclarationPaddingLineCount,
+  isWindows,
   unwrapId,
 } from '../../shared/utils'
 import {