Update to Yarn Berry

.github/workflows/aws-lambda.yml

@@ -23,6 +23,9 @@ jobs:
         with:
           node-version: "16"
 
+      - name: Install Yarn Berry
+        run: corepack enable
+
       # Note!
       # We need to install all node modules in each of the 3 directories.
       # 1. content-origin-request
@@ -46,7 +49,7 @@ jobs:
       - name: Install all yarn packages
         if: steps.cached-node_modules-content-origin-request.outputs.cache-hit != 'true'
         working-directory: deployer/aws-lambda/content-origin-request
-        run: yarn --frozen-lockfile
+        run: yarn #--immutable
 
       - name: Cache node_modules content-origin-response
         uses: actions/cache@v3
@@ -58,7 +61,7 @@ jobs:
       - name: Install all yarn packages
         if: steps.cached-node_modules-content-origin-response.outputs.cache-hit != 'true'
         working-directory: deployer/aws-lambda/content-origin-response
-        run: yarn --frozen-lockfile
+        run: yarn #--immutable
 
       - name: Cache node_modules
         uses: actions/cache@v3
@@ -70,7 +73,7 @@ jobs:
       - name: Install all yarn packages
         if: steps.cached-node_modules.outputs.cache-hit != 'true'
         working-directory: deployer/aws-lambda/tests
-        run: yarn --frozen-lockfile
+        run: yarn #--immutable
 
       - name: Run test server
         working-directory: deployer/aws-lambda/tests

.github/workflows/dev-build.yml

@@ -68,6 +68,9 @@ jobs:
         with:
           node-version: "16"
 
+      - name: Install Yarn Berry
+        run: corepack enable
+
       - name: Cache node_modules
         uses: actions/cache@v3
         id: cached-node_modules
@@ -78,7 +81,7 @@ jobs:
 
       - name: Install all yarn packages
         if: steps.cached-node_modules.outputs.cache-hit != 'true'
-        run: yarn --frozen-lockfile
+        run: yarn --immutable
 
       - name: Install Python
         uses: actions/[email protected]

.github/workflows/developing.yml

@@ -21,6 +21,9 @@ jobs:
           node-version: "16"
           cache: "yarn"
 
+      - name: Install Yarn Berry
+        run: corepack enable
+
       - name: Cache node_modules
         uses: actions/cache@v3
         id: cached-node_modules
@@ -31,7 +34,7 @@ jobs:
 
       - name: Install all yarn packages
         if: steps.cached-node_modules.outputs.cache-hit != 'true'
-        run: yarn --frozen-lockfile
+        run: yarn --immutable
 
       - name: Setup kernel for react native, increase watchers
         run: |

.github/workflows/npm-publish.yml

@@ -25,6 +25,9 @@ jobs:
         with:
           node-version: "16"
 
+      - name: Install Yarn Berry
+        run: corepack enable
+
       - name: Cache node_modules
         uses: actions/cache@v3
         id: cached-node_modules
@@ -35,7 +38,7 @@ jobs:
 
       - name: Install all yarn packages
         if: steps.cached-node_modules.outputs.cache-hit != 'true'
-        run: yarn --frozen-lockfile
+        run: yarn --immutable
 
       - name: Build the build
         env:

.github/workflows/npm-published-simulation.yml

@@ -26,6 +26,9 @@ jobs:
           node-version: "16"
           cache: "yarn"
 
+      - name: Install Yarn Berry
+        run: corepack enable
+
       - name: Cache node_modules
         uses: actions/cache@v3
         id: cached-node_modules
@@ -36,7 +39,7 @@ jobs:
 
       - name: Install all yarn packages
         if: steps.cached-node_modules.outputs.cache-hit != 'true'
-        run: yarn --frozen-lockfile
+        run: yarn --immutable
 
       - name: Setup kernel for react native, increase watchers
         run: |
@@ -57,16 +60,24 @@ jobs:
         run: |
           yarn build:prepare
 
-      - name: Build and install tarball
+      - name: Build tarball
         run: |
           echo mdn/content/ >> .npmignore
           npm pack
           TARBALL=`ls mdn-yari-*.tgz`
           echo $TARBALL
           ls -lh $TARBALL
-          mv $TARBALL mdn/content/
-          cd mdn/content
-          yarn add file:$TARBALL
+          mv $TARBALL mdn/content/mdn-yari.tgz
+
+      - name: Install Yarn Classic
+        run: |
+          yarn set version classic
+          yarn --version
+
+      - name: Install tarball
+        working-directory: mdn/content
+        run: |
+          yarn add file:mdn-yari.tgz
 
       - name: Start Yari from mock content repo
         working-directory: mdn/content

.github/workflows/performance.yml

@@ -29,6 +29,9 @@ jobs:
         with:
           node-version: "16"
 
+      - name: Install Yarn Berry
+        run: corepack enable
+
       - name: Cache node_modules
         uses: actions/cache@v3
         id: cached-node_modules
@@ -40,7 +43,7 @@ jobs:
       - name: Install all yarn packages
         if: steps.cached-node_modules.outputs.cache-hit != 'true'
         run: |
-          yarn --frozen-lockfile
+          yarn --immutable
 
       - name: Build select important pages
         env:

.github/workflows/pr-docs.yml

@@ -17,7 +17,22 @@ jobs:
         uses: actions/setup-node@v3
         with:
           node-version: "16"
-          cache: "yarn"
+
+      - name: Install Yarn Berry
+        run: corepack enable
+
+      - name: Cache node_modules
+        uses: actions/cache@v3
+        id: cached-node_modules
+        with:
+          path: |
+            node_modules
+          key: ${{ runner.os }}-${{ hashFiles('yarn.lock') }}-${{ hashFiles('.github/workflows/performance.yml') }}
+
+      - name: Install all yarn packages
+        if: steps.cached-node_modules.outputs.cache-hit != 'true'
+        run: |
+          yarn --immutable
 
       - name: Lint markdown files
         run: |

.github/workflows/pr-kumascript.yml

@@ -28,6 +28,9 @@ jobs:
         with:
           node-version: "16"
 
+      - name: Install Yarn Berry
+        run: corepack enable
+
       - name: Cache node_modules
         uses: actions/cache@v3
         id: cached-node_modules
@@ -39,7 +42,7 @@ jobs:
       - name: Install all yarn packages
         if: steps.cached-node_modules.outputs.cache-hit != 'true'
         run: |
-          yarn --frozen-lockfile
+          yarn --immutable
 
       - name: Unit testing kumascript
         env:

.github/workflows/prod-build.yml

@@ -91,6 +91,9 @@ jobs:
         with:
           node-version: "16"
 
+      - name: Install Yarn Berry
+        run: corepack enable
+
       - name: Cache node_modules
         uses: actions/cache@v3
         id: cached-node_modules
@@ -101,7 +104,7 @@ jobs:
 
       - name: Install all yarn packages
         if: steps.cached-node_modules.outputs.cache-hit != 'true'
-        run: yarn --frozen-lockfile
+        run: yarn --immutable
 
       - name: Install Python
         uses: actions/[email protected]

.github/workflows/stage-build.yml

@@ -91,6 +91,9 @@ jobs:
         with:
           node-version: "16"
 
+      - name: Install Yarn Berry
+        run: corepack enable
+
       - name: Cache node_modules
         uses: actions/cache@v3
         id: cached-node_modules
@@ -101,7 +104,7 @@ jobs:
 
       - name: Install all yarn packages
         if: steps.cached-node_modules.outputs.cache-hit != 'true'
-        run: yarn --frozen-lockfile
+        run: yarn --immutable
 
       - name: Install Python
         uses: actions/[email protected]

.github/workflows/testing.yml

@@ -22,6 +22,9 @@ jobs:
           node-version: "16"
           cache: "yarn"
 
+      - name: Install Yarn Berry
+        run: corepack enable
+
       - name: Cache node_modules
         uses: actions/cache@v3
         id: cached-node_modules
@@ -33,7 +36,7 @@ jobs:
       - name: Install all yarn packages
         if: steps.cached-node_modules.outputs.cache-hit != 'true'
         run: |
-          yarn --frozen-lockfile
+          yarn --immutable
 
       - name: Lint prettier
         run: yarn prettier-check

.gitignore

@@ -4,6 +4,12 @@
 node_modules/
 /.pnp
 .pnp.js
+.yarn
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions
 
 # testing
 /coverage

.husky/pre-commit

@@ -1,4 +1,4 @@
 #!/bin/sh
 . "$(dirname "$0")/_/husky.sh"
 
-yarn install --ignore-scripts && yarn lint-staged
+yarn install --immutable --immutable-cache && yarn lint-staged

.npmignore

@@ -43,3 +43,5 @@ jest.config.js
 *.test.js
 .storybook/
 .nvmrc
+.yarn/*
+.pnp.*

.yarnrc.yml

@@ -0,0 +1,2 @@
+yarnPath: .yarn/releases/yarn-3.2.1.cjs
+nodeLinker: node-modules

README.md

@@ -20,7 +20,7 @@ Before you can start working with Yari, you need to:
 <!-- markdownlint-disable list-marker-space -->
 
 1.  Install [git](https://git-scm.com/), [Node.js](https://nodejs.org) (>=
-    16.0.0), and [Yarn 1](https://classic.yarnpkg.com/en/docs/install).
+    16.0.0), and [Yarn 2+](https://yarnpkg.com/getting-started/install).
 
 1.  [Fork](https://docs.github.com/en/github/getting-started-with-github/fork-a-repo)
     the MDN [content](https://github.com/mdn/content) and