Yarn Workspaces

.editorconfig

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+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+[*.{js,jsx,ts,tsx,json,yml}]
+charset = utf-8
+indent_style = space
+indent_size = 2

.github/actions/setup-environment/action.yml

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+name: Setup Environment
+inputs:
+  yarn-workspaces-focus:
+    required: false
+    type: string
+  skip-yarn-install:
+    required: false
+    default: false
+runs:
+  using: 'composite'
+  steps:
+    - name: Setup Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version-file: '.node-version'
+    - name: Enable Corepack
+      shell: bash
+      run: corepack enable
+    - name: Cache node_modules
+      if: ${{ inputs.skip-yarn-install != 'true' }}
+      uses: actions/cache@v4
+      env:
+        cache-name: node_modules
+      with:
+        path: '**/node_modules'
+        key: ${{ runner.os }}-${{ env.cache-name }}${{ inputs.yarn-workspaces-focus && format('-{0}', inputs.yarn-workspaces-focus) || '' }}-${{ hashFiles('yarn.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-${{ env.cache-name }}${{ inputs.yarn-workspaces-focus && format('-{0}', inputs.yarn-workspaces-focus) || '' }}-
+        save-always: true
+    - name: Install dependencies
+      if: ${{ inputs.skip-yarn-install != 'true' }}
+      shell: bash
+      run: |
+        yarn preinstall
+        ${{ inputs.yarn-workspaces-focus && format('yarn workspaces focus {0}', inputs.yarn-workspaces-focus) || 'yarn install'}}

.github/workflows/basic-tests.yml

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+name: Basic Tests
+on:
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - '**/README.md'
+  pull_request:
+    types: [opened, synchronize, reopened, ready_for_review]
+    branches:
+      - main
+    paths-ignore:
+      - '**/README.md'
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+      - name: Setup Environment
+        uses: ./.github/actions/setup-environment
+      - name: Lint
+        run: |
+          yarn lint
+
+  typecheck:
+    name: Typecheck
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+      - name: Setup Environment
+        uses: ./.github/actions/setup-environment
+      - name: Typecheck
+        run: |
+          yarn typecheck
+
+  prepare-test:
+    name: Prepare Test
+    runs-on: ubuntu-latest
+    outputs:
+      # Expose the workspace path output from the list-workspaces step for other jobs to use it.
+      workspace-paths: ${{ steps.list-workspaces.outputs.workspace-paths }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+      - name: Setup Environment
+        uses: ./.github/actions/setup-environment
+        with:
+          skip-yarn-install: true
+      - name: List workspaces with tests
+        uses: zetavg/[email protected]
+        id: list-workspaces
+        with:
+          # Check if the workspace has a "test" script defined in its package.json.
+          condition: '[ -f "$workspace_path/package.json" ] && jq -e ".scripts.test" "$workspace_path/package.json"'
+
+  test:
+    needs: prepare-test
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        # Use the workspace paths from the prepare-test job to create a matrix of workspaces to test.
+        dir: ${{ fromJson(needs.prepare-test.outputs.workspace-paths) }}
+    name: Test ${{ matrix.dir }}
+    defaults:
+      run:
+        working-directory: ${{ matrix.dir }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+      - name: Get workspace package name
+        id: get-workspace-package-name
+        run: |
+          package_name=$(jq -r '.name' package.json)
+          echo "Package name: ${package_name}"
+          echo "name=${package_name}" >> $GITHUB_OUTPUT
+      - name: Setup environment
+        uses: ./.github/actions/setup-environment
+        # with:
+        #   yarn-workspaces-focus: ${{ steps.get-workspace-package-name.outputs.name }}
+      - name: Test
+        run: |
+          FORCE_COLOR=true yarn test