Make jupyterlab_pygments a labextension

.eslintignore

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+node_modules
+dist
+coverage
+**/*.d.ts
+tests

.eslintrc.js

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+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/binder-on-pr.yml

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+# Reference https://mybinder.readthedocs.io/en/latest/howto/gh-actions-badges.html
+name: Binder Badge
+on:
+  pull_request_target:
+    types: [opened]
+
+permissions:
+  pull-requests: write
+
+
+jobs:
+  binder:
+    runs-on: ubuntu-latest
+    steps:
+      - name: comment on PR with Binder link
+        uses: actions/github-script@v3
+        with:
+          github-token: ${{secrets.GITHUB_TOKEN}}
+          script: |
+            var PR_HEAD_USERREPO = process.env.PR_HEAD_USERREPO;
+            var PR_HEAD_REF = process.env.PR_HEAD_REF;
+            github.issues.createComment({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              body: `[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/${PR_HEAD_USERREPO}/${PR_HEAD_REF}?urlpath=lab) :point_left: Launch a Binder on branch _${PR_HEAD_USERREPO}/${PR_HEAD_REF}_`
+            })
+        env:
+          PR_HEAD_REF: ${{ github.event.pull_request.head.ref }}
+          PR_HEAD_USERREPO: ${{ github.event.pull_request.head.repo.full_name }}
+

.github/workflows/build.yml

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+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~=3.1 check-manifest
+
+    - name: Build the extension
+      run: |
+        set -eux
+        jlpm
+        jlpm lint:check
+        python -m pip install .
+
+        jupyter labextension list 2>&1 | grep -ie "jupyterlab_pygments.*OK"
+        python -m jupyterlab.browser_check
+
+        check-manifest -v
+
+        pip install build
+        python -m build --sdist
+        cp dist/*.tar.gz myextension.tar.gz
+        pip uninstall -y "jupyterlab_pygments" jupyterlab
+        rm -rf myextension
+
+    - uses: actions/upload-artifact@v2
+      with:
+        name: myextension-sdist
+        path: myextension.tar.gz
+
+  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: '3.8'
+        architecture: 'x64'
+    - uses: actions/download-artifact@v2
+      with:
+        name: myextension-sdist
+    - 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 myextension.tar.gz
+        pip install jupyterlab
+        jupyter labextension list 2>&1 | grep -ie "jupyterlab_pygments.*OK"
+        python -m jupyterlab.browser_check --no-chrome-test

.github/workflows/check-release.yml

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+name: Check Release
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+permissions:
+  contents: write
+
+jobs:
+  check_release:
+    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'
+      - name: Install node
+        uses: actions/setup-node@v2
+        with:
+          node-version: '14.x'
+
+      - name: Get pip cache dir
+        id: pip-cache
+        run: |
+          echo "::set-output name=dir::$(pip cache dir)"
+      - name: Cache pip
+        uses: actions/cache@v1
+        with:
+          path: ${{ steps.pip-cache.outputs.dir }}
+          key: ${{ runner.os }}-pip-${{ hashFiles('package.json') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+      - name: Cache checked links
+        uses: actions/cache@v2
+        with:
+          path: ~/.cache/pytest-link-check
+          key: ${{ runner.os }}-linkcheck-${{ hashFiles('**/.md') }}-md-links
+          restore-keys: |
+            ${{ runner.os }}-linkcheck-
+      - name: Upgrade packaging dependencies
+        run: |
+          pip install --upgrade pip setuptools wheel jupyter-packaging~=0.10 --user
+      - name: Install Dependencies
+        run: |
+          pip install .
+      - name: Check Release
+        uses: jupyter-server/jupyter_releaser/.github/actions/check-release@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Upload Distributions
+        uses: actions/upload-artifact@v2
+        with:
+          name: jupyterlab_pygments-releaser-dist-${{ github.run_number }}
+          path: .jupyter_releaser_checkout/dist

.gitignore

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+*.bundle.*
+lib/
+node_modules/
+.eslintcache
+.stylelintcache
+*.egg-info/
+.ipynb_checkpoints
+*.tsbuildinfo
+jupyterlab_pygments/labextension
+
+# Created by https://www.gitignore.io/api/python
+# Edit at https://www.gitignore.io/?templates=python
+
+### Python ###
+# Byte-compiled / optimized / DLL files
 __pycache__/
-dist/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
 build/
-*.egg-info/
-.ipynb_checkpoints/
-.*.swp
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# Mr Developer
+.mr.developer.cfg
+.project
+.pydevproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# End of https://www.gitignore.io/api/python
+
+# OSX files
+.DS_Store
+
+# Generated pygments CSS
+style/base.css

.prettierignore

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+node_modules
+**/node_modules
+**/lib
+**/package.json
+jupyterlab_pygments

.prettierrc

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+{
+  "singleQuote": true,
+  "trailingComma": "none",
+  "arrowParens": "avoid"
+}

.stylelintrc

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+{
+  "extends": [
+    "stylelint-config-recommended",
+    "stylelint-config-standard",
+    "stylelint-prettier/recommended"
+  ],
+  "rules": {
+    "property-no-vendor-prefix": null,
+    "selector-no-vendor-prefix": null,
+    "value-no-vendor-prefix": null,
+  }
+}

CHANGELOG.md

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+# Changelog
+
+<!-- <START NEW CHANGELOG ENTRY> -->
+
+<!-- <END NEW CHANGELOG ENTRY> -->

MANIFEST.in

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+include LICENSE
+include *.md
+include pyproject.toml
+
+include package.json
+include install.json
+include ts*.json
+include yarn.lock
+
+graft jupyterlab_pygments/labextension
+
+# Javascript files
+graft src
+graft style
+prune **/node_modules
+prune lib
+prune binder
+
+# Patterns to exclude from any directory
+global-exclude *~
+global-exclude *.pyc
+global-exclude *.pyo
+global-exclude .git
+global-exclude .ipynb_checkpoints