migrate monorepo back to Yarn Classic

Author: Simek

.github/workflows/pre-merge.yml

@@ -12,9 +12,6 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v6
 
-      - name: Enable Corepack
-        run: corepack enable
-
       - name: Set up Node.js
         uses: actions/setup-node@v6
         with:
@@ -42,9 +39,6 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v6
 
-      - name: Enable Corepack
-        run: corepack enable
-
       - name: Set up Node.js
         uses: actions/setup-node@v6
         with:
@@ -64,9 +58,6 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v6
 
-      - name: Enable Corepack
-        run: corepack enable
-
       - name: Set up Node.js
         uses: actions/setup-node@v6
         with:

.yarnrc.yml

@@ -18,18 +18,13 @@ This repo contains the website configuration and documentation powering the [Rea
 
 1. [Git](https://git-scm.com/downloads).
 1. [Node](https://nodejs.org/en/download/) _(version 22 or greater)_.
-1. [Yarn](https://yarnpkg.com/getting-started/install) _(version 4)_.
+1. [Yarn Classic](https://classic.yarnpkg.com/en/docs/install) _(version 1)_.
 1. A fork and clone of the `react-native-website` repo _(for any contributions)_.
 
 ### Installation
 
 1. `cd react-native-website` to go into the project root.
-1. Run `corepack enable` to enable Corepack.
-
-   > If the command above fails, run `npm install -g corepack@latest` to install the latest version of [Corepack](https://yarnpkg.com/corepack#installation).
-
 1. Run `yarn` to install the website's workspace dependencies.
-   > If you want to retain the globally installed `yarn` classic, you can use `corepack yarn` instead.
 
 ### Running locally
 

README.md

@@ -18,10 +18,10 @@
     "serve": "yarn --cwd website serve",
     "prepare": "husky",
     "lint": "eslint .",
-    "lint:packages": "yarn workspaces foreach --from \"packages/*\" -p -R run lint",
-    "lint:plugins": "yarn workspaces foreach --from \"plugins/*\" -p -R run lint && yarn workspaces foreach --from \"plugins/*\" -p -R run test",
+    "lint:packages": "yarn workspace @react-native-website/lint-examples lint",
+    "lint:plugins": "yarn workspace @react-native-website/remark-codeblock-language-as-title lint && yarn workspace @react-native-website/remark-lint-no-broken-external-links lint && yarn workspace @react-native-website/remark-snackplayer lint && yarn workspace @react-native-website/remark-lint-no-broken-external-links test && yarn workspace @react-native-website/remark-snackplayer test",
     "lint:website": "eslint ./website ./docs",
-    "update-lock": "yarn dedupe",
+    "update-lock": "npx yarn-deduplicate",
     "check-dependencies": "manypkg check"
   },
   "devDependencies": {
@@ -45,7 +45,6 @@
     "typescript": "^5.9.3",
     "typescript-eslint": "^8.57.1"
   },
-  "packageManager": "yarn@4.13.0",
   "resolutions": {
     "serialize-javascript": "^7.0.5",
     "serve-handler/minimatch": "3.1.4"