init

.dockerignore

@@ -0,0 +1,6 @@
+*.egg-info
+__pycache__
+build
+dist
+lib
+node_modules

.eslintignore

@@ -0,0 +1,8 @@
+node_modules
+dist
+coverage
+**/*.d.ts
+tests
+
+**/__tests__
+ui-tests

.eslintrc.js

@@ -0,0 +1,39 @@
+module.exports = {
+  extends: [
+    'eslint:recommended',
+    'plugin:@typescript-eslint/eslint-recommended',
+    'plugin:@typescript-eslint/recommended',
+    'plugin:prettier/recommended'
+  ],
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    project: 'tsconfig.json',
+    sourceType: 'module'
+  },
+  plugins: ['@typescript-eslint'],
+  rules: {
+    '@typescript-eslint/naming-convention': [
+      'error',
+      {
+        selector: 'interface',
+        format: ['PascalCase'],
+        custom: {
+          regex: '^I[A-Z]',
+          match: true
+        }
+      }
+    ],
+    '@typescript-eslint/no-unused-vars': ['warn', { args: 'none' }],
+    '@typescript-eslint/no-explicit-any': 'off',
+    '@typescript-eslint/no-namespace': 'off',
+    '@typescript-eslint/no-use-before-define': 'off',
+    '@typescript-eslint/quotes': [
+      'error',
+      'single',
+      { avoidEscape: true, allowTemplateLiterals: false }
+    ],
+    curly: ['error', 'all'],
+    eqeqeq: 'error',
+    'prefer-arrow-callback': 'error'
+  }
+};

.github/workflows/build.yml

@@ -0,0 +1,157 @@
+name: Build
+
+on:
+  push:
+    branches: main
+  pull_request:
+    branches: '*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: Base Setup
+      uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
+
+    - name: Install dependencies
+      run: python -m pip install -U jupyterlab==4.0.3
+
+    - name: Lint the extension
+      run: |
+        set -eux
+        jlpm
+        jlpm run lint:check
+    
+    - name: Test the extension
+      run: |
+        set -eux
+        jlpm run test
+
+    - name: Build the extension
+      run: |
+        set -eux
+        python -m pip install .[test]
+
+        pytest -vv -r ap --cov datalayer
+        jupyter server extension list
+        jupyter server extension list 2>&1 | grep -ie "datalayer.*OK"
+
+        jupyter labextension list
+        jupyter labextension list 2>&1 | grep -ie "@datalayer/core.*OK"
+        python -m jupyterlab.browser_check
+
+    - name: Package the extension
+      run: |
+        set -eux
+
+        pip install build
+        python -m build
+        pip uninstall -y "datalayer" jupyterlab
+
+    - name: Upload extension packages
+      uses: actions/upload-artifact@v2
+      with:
+        name: extension-artifacts
+        path: dist/datalayer*
+        if-no-files-found: error
+
+  test_isolated:
+    needs: build
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Install Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.9'
+        architecture: 'x64'
+    - uses: actions/download-artifact@v2
+      with:
+        name: extension-artifacts
+    - name: Install and Test
+      run: |
+        set -eux
+        # Remove NodeJS, twice to take care of system and locally installed node versions.
+        sudo rm -rf $(which node)
+        sudo rm -rf $(which node)
+
+        pip install "jupyterlab==4.0.3" datalayer*.whl
+
+
+        jupyter server extension list
+        jupyter server extension list 2>&1 | grep -ie "datalayer.*OK"
+
+        jupyter labextension list
+        jupyter labextension list 2>&1 | grep -ie "@datalayer/core.*OK"
+        python -m jupyterlab.browser_check --no-chrome-test
+
+  integration-tests:
+    name: Integration tests
+    needs: build
+    runs-on: ubuntu-latest
+
+    env:
+      PLAYWRIGHT_BROWSERS_PATH: ${{ github.workspace }}/pw-browsers
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: Base Setup
+      uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
+
+    - name: Download extension package
+      uses: actions/download-artifact@v2
+      with:
+        name: extension-artifacts
+
+    - name: Install the extension
+      run: |
+        set -eux
+        python -m pip install "jupyterlab==4.0.3" datalayer*.whl
+
+    - name: Install dependencies
+      working-directory: ui-tests
+      env:
+        PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: 1
+      run: jlpm install
+
+    - name: Set up browser cache
+      uses: actions/cache@v2
+      with:
+        path: |
+          ${{ github.workspace }}/pw-browsers
+        key: ${{ runner.os }}-${{ hashFiles('ui-tests/yarn.lock') }}
+
+    - name: Install browser
+      run: jlpm playwright install chromium
+      working-directory: ui-tests
+
+    - name: Execute integration tests
+      working-directory: ui-tests
+      run: |
+        jlpm playwright test
+
+    - name: Upload Playwright Test report
+      if: always()
+      uses: actions/upload-artifact@v2
+      with:
+        name: datalayer-playwright-tests
+        path: |
+          ui-tests/test-results
+          ui-tests/playwright-report
+
+  check_links:
+    name: Check Links
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    steps:
+      - uses: actions/checkout@v2
+      - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
+      - uses: jupyterlab/maintainer-tools/.github/actions/check-links@v1

.github/workflows/check-release.yml

@@ -0,0 +1,29 @@
+name: Check Release
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["*"]
+
+jobs:
+  check_release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Base Setup
+        uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
+      - name: Install Dependencies
+        run: |
+          pip install -e .
+      - name: Check Release
+        uses: jupyter-server/jupyter_releaser/.github/actions/check-release@v2
+        with:
+
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Upload Distributions
+        uses: actions/upload-artifact@v2
+        with:
+          name: datalayer-releaser-dist-${{ github.run_number }}
+          path: .jupyter_releaser_checkout/dist

.github/workflows/update-integration-tests.yml

@@ -0,0 +1,44 @@
+name: Update Playwright Snapshots
+
+on:
+  issue_comment:
+    types: [created, edited]
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+
+
+  update-snapshots:
+    if: ${{ github.event.issue.pull_request && contains(github.event.comment.body, 'please update playwright snapshots') }}
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Configure git to use https
+        run: git config --global hub.protocol https
+
+      - name: Checkout the branch from the PR that triggered the job
+        run: hub pr checkout ${{ github.event.issue.number }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Install dependencies
+        run: |
+          set -eux
+          jlpm
+          python -m pip install .
+
+      - uses: jupyterlab/maintainer-tools/.github/actions/update-snapshots@v1
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          # Playwright knows how to start JupyterLab server
+          start_server_script: 'null'
+          test_folder: ui-tests
+