chore: remove patch file deps hack (#8138)

CONTRIBUTING.md

@@ -145,18 +145,7 @@ test('?raw import', async () => {
 
 ## Note on Test Dependencies
 
-In many test cases we need to mock dependencies using `link:` and `file:` protocols (which are supported by package managers like `yarn` and `pnpm`). However, `pnpm` treats `link:` and `file:` the same way and always use symlinks. This can be undesirable in cases where we want the dependency to be actually copied into `node_modules`.
-
-To work around this, playground packages that uses the `file:` protocol should also include the following `postinstall` script:
-
-```jsonc
-"scripts": {
-  //...
-  "postinstall": "ts-node ../../scripts/patchFileDeps.ts"
-}
-```
-
-This script patches the dependencies using `file:` protocol to match the copying behavior instead of linking.
+In many test cases we need to mock dependencies using `link:` and `file:` protocols. `pnpm` treats `link:` as symlinks and `file:` as hardlinks. To test dependencies as if they are copied into `node_modules`, use the `file:` protocol, other cases should use the `link:` protocol.
 
 ## Debug Logging
 

playground/alias/package.json

@@ -6,8 +6,7 @@
     "dev": "vite",
     "build": "vite build",
     "debug": "node --inspect-brk ../../packages/vite/bin/vite",
-    "preview": "vite preview",
-    "postinstall": "ts-node ../../scripts/patchFileDeps.ts"
+    "preview": "vite preview"
   },
   "dependencies": {
     "aliased-module": "file:./dir/module",

playground/dynamic-import/package.json

@@ -6,8 +6,7 @@
     "dev": "vite",
     "build": "vite build",
     "debug": "node --inspect-brk ../../packages/vite/bin/vite",
-    "preview": "vite preview",
-    "postinstall": "ts-node ../../scripts/patchFileDeps.ts"
+    "preview": "vite preview"
   },
   "dependencies": {
     "pkg": "file:./pkg"

playground/optimize-deps/nested-exclude/package.json

@@ -4,6 +4,6 @@
   "version": "1.0.0",
   "main": "index.js",
   "dependencies": {
-    "nested-include": "link:./nested-include"
+    "nested-include": "file:../nested-include"
   }
 }

playground/optimize-deps/package.json

@@ -6,8 +6,7 @@
     "dev": "vite",
     "build": "vite build",
     "debug": "node --inspect-brk ../../packages/vite/bin/vite",
-    "preview": "vite preview",
-    "postinstall": "ts-node ../../scripts/patchFileDeps.ts"
+    "preview": "vite preview"
   },
   "dependencies": {
     "axios": "^0.24.0",

playground/optimize-missing-deps/package.json

@@ -3,8 +3,7 @@
   "private": true,
   "version": "0.0.0",
   "scripts": {
-    "dev": "node server",
-    "postinstall": "ts-node ../../scripts/patchFileDeps.ts"
+    "dev": "node server"
   },
   "dependencies": {
     "missing-dep": "file:./missing-dep"

playground/ssr-deps/forwarded-export/package.json

@@ -1,5 +1,8 @@
 {
   "name": "forwarded-export",
   "private": true,
-  "version": "0.0.0"
+  "version": "0.0.0",
+  "dependencies": {
+    "object-assigned-exports": "file:../object-assigned-exports"
+  }
 }

playground/ssr-deps/package.json

@@ -5,8 +5,7 @@
   "scripts": {
     "dev": "node server",
     "serve": "cross-env NODE_ENV=production node server",
-    "debug": "node --inspect-brk server",
-    "postinstall": "ts-node ../../scripts/patchFileDeps.ts"
+    "debug": "node --inspect-brk server"
   },
   "dependencies": {
     "bcrypt": "^5.0.1",