Publish to a private GitHub NPM registry with caching

publish.yml

name: Publish to the private GitHub NPM registry

on:
  push:
    branches:
      - main
    paths-ignore:
      - '**/*.md'

jobs:
  # Make sure build/ci work properly
  publish:
    name: Publish
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
      - uses: actions/setup-node@v3
        with:
          node-version: 16
      - run: corepack enable
      - name: Check release definitions
        run: yarn version check
      - name: Get yarn cache directory path
        id: yarn-cache-dir-path
        run: echo "::set-output name=dir::$(yarn config get cacheFolder)"
      - name: Restore yarn cache
        uses: actions/cache@v3
        id: yarn-cache
        with:
          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
          key: yarn-cache-folder-${{ hashFiles('**/yarn.lock', '.yarnrc.yml') }}
          restore-keys: |
            yarn-cache-folder-
      - name: Fetch and link dependencies
        run: yarn
      - name: Test
        run: yarn test
      - name: Set config for publishing
        run: |
          yarn config set npmPublishRegistry https://npm.pkg.github.com
          yarn config set 'npmRegistries["https://npm.pkg.github.com"].npmAuthToken' $GPR_TOKEN
        env:
          GPR_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Publish
        run: yarn npm publish --access restricted