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 +1,32 @@
+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: Install Dependencies
+        run: |
+          pip install -e .
+
+      - name: Check Release
+        uses: jupyter-server/jupyter_releaser/.github/actions/check-release@v2
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Upload Distributions
+        uses: actions/upload-artifact@v3
+        with:
+          name: jupyterlab_github-releaser-dist-${{ 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

README.md

@@ -39,14 +39,14 @@ This process is described in the [installation](#Installation) section.
 
 ## Prerequisites
 
-- JupyterLab 3.0
+- JupyterLab > 3.0
 - A GitHub account for the server extension
 
 ## Installation
 
 As discussed above, this extension has both a server extension and a lab extension.
 Both extensions will be installed by default when installing from PyPI, but you may
-have only lab extension installed if you used the Extension Manager in JupyterLab 3.x.
+have only lab extension installed if you used the Extension Manager in JupyterLab.
 
 We recommend completing the steps described below as to not be rate-limited.
 The purpose of the server extension is to add GitHub credentials that you will need to acquire
@@ -57,12 +57,22 @@ For JupyterLab version older than 3 please see the instructions on the
 
 ### 1. Installing both server and prebuilt lab extension
 
+#### JupyterLab 4.x
+
 To install the both the server extension and (prebuilt) lab extension, enter the following in your terminal:
 
 ```bash
 pip install jupyterlab-github
 ```
 
+#### JupyterLab 3.x
+
+We need to pin the extension version to `3.0.1` for making it work on the JupyterLab 3.x.
+
+```bash
+pip install 'jupyterlab-github==3.0.1'
+```
+
 After restarting JupyterLab, the extension should work, and you can experience
 the joys of being rate-limited first-hand!
 
@@ -111,7 +121,7 @@ _Do not_ share this value online, as people may be able to use it to impersonate
 ### 3. Enabling and configuring the server extension
 
 The server extension will be enabled by default on new JupyterLab installations
-if you installed it with pip. If you used Extension Manager in JupyterLab 3.x,
+if you installed it with pip. If you used Extension Manager in JupyterLab,
 please uninstall the extension and install it again with the instructions from point (1).
 
 Confirm that the server extension is installed and enabled with:
@@ -124,7 +134,7 @@ you should see the following:
 
 ```
 - Validating jupyterlab_github...
-     jupyterlab_github 3.0.0 OK
+     jupyterlab_github 4.0.0 OK
 ```
 
 On some older installations (e.g. old JupyterHub versions) which use jupyter