build-extension.yml

name: Build extension

on:
  pull_request:
    branches:
    - '*'

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v3

    - name: Set up Node.js
      uses: actions/setup-node@v3
      with:
        node-version: 'lts/*'

    - name: Install Yarn
      run: corepack enable

    - name: Install Python
      uses: actions/setup-python@v4
      with:
        python-version: '3.12'
        architecture: 'x64'

    - name: Setup pip cache
      uses: actions/cache@v3
      with:
        path: ~/.cache/pip
        key: pip-3.12-${{ hashFiles('package.json') }}
        restore-keys: |
          pip-3.12-
          pip-

    - name: Get yarn cache directory path
      id: yarn-cache-dir-path
      run: echo "::set-output name=dir::$(yarn cache dir)"

    - name: Setup yarn cache
      uses: actions/cache@v3
      id: yarn-cache
      with:
        path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
        key: yarn-${{ hashFiles('**/yarn.lock') }}
        restore-keys: |
          yarn-

    - name: Install dependencies
      run: python -m pip install -U jupyterlab jupyter_packaging jupyterlab_widgets

    - name: Use existing lockfile
      run: yarn install --frozen-lockfile

    - name: Build the extension
      working-directory: js
      run: npm install