Upgrade extension to JupyterLab 4

.github/workflows/build.yml

@@ -0,0 +1,45 @@
+name: Build
+
+on:
+  push:
+    branches:
+      - main
+      - master
+  pull_request:
+    branches:
+      - main
+      - master
+
+defaults:
+  run:
+    shell: bash -l {0}
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Base Setup
+        uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
+
+      - name: Install JupyterLab
+        run: python -m pip install -U "jupyterlab>=4.0.0,<5"
+
+      - name: Lint the extension
+        run: |
+          set -eux
+          jlpm
+          jlpm run lint:check
+
+      - name: Build the extension
+        run: |
+          set -eux
+          python -m pip install .
+
+          jupyter labextension list
+          jupyter labextension list 2>&1 | grep -ie "@jupyterlab/github.*OK"
+
+          python -m jupyterlab.browser_check

.github/workflows/check-release.yml

@@ -0,0 +1,28 @@
+name: Check Release
+on:
+  push:
+    branches: [ master, main ]
+  pull_request:
+    branches: ["*"]
+
+jobs:
+  check_release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Base Setup
+        uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
+
+      - name: Check Release
+        uses: jupyter-server/jupyter_releaser/.github/actions/check-release@v2
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Upload Distributions
+        uses: actions/upload-artifact@v3
+        with:
+          name: jupyterlab_github-releaser-dist-${{ github.run_number }}
+          path: .jupyter_releaser_checkout/dist

.github/workflows/packaging.yml

@@ -0,0 +1,93 @@
+name: Packaging
+
+on:
+  push:
+    branches: [ master, main ]
+  pull_request:
+    branches: '*'
+
+env:
+  PIP_DISABLE_PIP_VERSION_CHECK: 1
+
+defaults:
+  run:
+    shell: bash -l {0}
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    - name: Base Setup
+      uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
+
+    - name: Install dependencies
+      run: python -m pip install -U "jupyterlab>=4.0.0,<5"
+
+    - name: Package the extension
+      run: |
+        set -eux
+        pip install build
+        python -m build
+        pip uninstall -y "jupyterlab_github" jupyterlab
+
+    - name: Upload extension packages
+      uses: actions/upload-artifact@v3
+      with:
+        name: extension-artifacts
+        path: ./dist/jupyterlab_github*
+        if-no-files-found: error
+
+  install:
+    runs-on: ${{ matrix.os }}-latest
+    needs: [build]
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu, macos, windows]
+        python: ['3.8', '3.11']
+        include:
+          - python: '3.8'
+            dist: 'jupyterlab_github*.tar.gz'
+          - python: '3.11'
+            dist: 'jupyterlab_github*.whl'
+          - os: windows
+            py_cmd: python
+          - os: macos
+            py_cmd: python3
+          - os: ubuntu
+            py_cmd: python
+
+    steps:
+      - name: Install Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python }}
+          architecture: 'x64'
+
+      - uses: actions/download-artifact@v3
+        with:
+          name: extension-artifacts
+          path: ./dist
+
+      - name: Install prerequisites
+        run: |
+          ${{ matrix.py_cmd }} -m pip install pip wheel
+
+      - name: Install package
+        run: |
+          cd dist
+          ${{ matrix.py_cmd }} -m pip install -vv ${{ matrix.dist }}
+
+      - name: Validate environment
+        run: |
+          ${{ matrix.py_cmd }} -m pip freeze
+          ${{ matrix.py_cmd }} -m pip check
+
+      - name: Validate install
+        run: |
+          jupyter labextension list
+          jupyter labextension list 2>&1 | grep -ie "@jupyterlab/github.*OK"

.github/workflows/prep-release.yml

@@ -0,0 +1,42 @@
+name: "Step 1: Prep Release"
+on:
+  workflow_dispatch:
+    inputs:
+      version_spec:
+        description: "New Version Specifier"
+        default: "next"
+        required: false
+      branch:
+        description: "The branch to target"
+        required: false
+      post_version_spec:
+        description: "Post Version Specifier"
+        required: false
+      since:
+        description: "Use PRs with activity since this date or git reference"
+        required: false
+      since_last_stable:
+        description: "Use PRs with activity since the last stable git tag"
+        required: false
+        type: boolean
+jobs:
+  prep_release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
+
+      - name: Prep Release
+        id: prep-release
+        uses: jupyter-server/jupyter_releaser/.github/actions/prep-release@v2
+        with:
+          token: ${{ secrets.ADMIN_GITHUB_TOKEN }}
+          version_spec: ${{ github.event.inputs.version_spec }}
+          post_version_spec: ${{ github.event.inputs.post_version_spec }}
+          target: ${{ github.event.inputs.target }}
+          branch: ${{ github.event.inputs.branch }}
+          since: ${{ github.event.inputs.since }}
+          since_last_stable: ${{ github.event.inputs.since_last_stable }}
+
+      - name: "** Next Step **"
+        run: |
+          echo "Optional): Review Draft Release: ${{ steps.prep-release.outputs.release_url }}" 

.github/workflows/publish-release.yml

@@ -0,0 +1,55 @@
+name: "Step 2: Publish Release"
+on:
+  workflow_dispatch:
+    inputs:
+      branch:
+        description: "The target branch"
+        required: false
+      release_url:
+        description: "The URL of the draft GitHub release"
+        required: false
+      steps_to_skip:
+        description: "Comma separated list of steps to skip"
+        required: false
+        default: "ensure-sha"
+
+jobs:
+  publish_release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
+
+      - name: Populate Release
+        id: populate-release
+        uses: jupyter-server/jupyter_releaser/.github/actions/populate-release@v2
+        with:
+          token: ${{ secrets.ADMIN_GITHUB_TOKEN }}
+          target: ${{ github.event.inputs.target }}
+          branch: ${{ github.event.inputs.branch }}
+          release_url: ${{ github.event.inputs.release_url }}
+          steps_to_skip: ${{ github.event.inputs.steps_to_skip }}
+
+      - name: Finalize Release
+        id: finalize-release
+        env:
+          PYPI_TOKEN: ${{ secrets.PYPI_TOKEN }}
+          PYPI_TOKEN_MAP: ${{ secrets.PYPI_TOKEN_MAP }}
+          TWINE_USERNAME: __token__
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+        uses: jupyter-server/jupyter-releaser/.github/actions/finalize-release@v2
+        with:
+          token: ${{ secrets.ADMIN_GITHUB_TOKEN }}
+          target: ${{ github.event.inputs.target }}
+          release_url: ${{ steps.populate-release.outputs.release_url }}
+
+      - name: "** Next Step **"
+        if: ${{ success() }}
+        run: |
+          echo "Verify the final release"
+          echo ${{ steps.finalize-release.outputs.release_url }}
+
+      - name: "** Failure Message **"
+        if: ${{ failure() }}
+        run: |
+          echo "Failed to Publish the Draft Release Url:"
+          echo ${{ steps.populate-release.outputs.release_url }} 

.gitignore

@@ -11,10 +11,14 @@ node_modules/
 .ipynb_checkpoints/
 npm-debug.log
 package-lock.json
-
+.yarn
 *.tsbuildinfo
+*.stylelintcache
 jupyterlab_github/labextension
 
+# Version file handled by hatch
+jupyterlab_github/_version.py
+
 # Created by https://www.gitignore.io/api/python
 # Edit at https://www.gitignore.io/?templates=python
 

.stylelintrc

@@ -0,0 +1,14 @@
+{
+  "extends": [
+    "stylelint-config-recommended",
+    "stylelint-config-standard",
+    "stylelint-prettier/recommended"
+  ],
+  "rules": {
+    "no-empty-source": null,
+    "selector-class-pattern": null,
+    "property-no-vendor-prefix": null,
+    "selector-no-vendor-prefix": null,
+    "value-no-vendor-prefix": null
+  }
+}

.yarnrc.yml

@@ -0,0 +1,2 @@
+nodeLinker: node-modules
+enableImmutableInstalls: false