update-js-deps.yml

name: js-upgrade

on:
  workflow_call:

jobs:
  js-upgrade:
    name: 'JS upgrade'
    runs-on: ubuntu-latest
    env:
      pr_title: DEP Update JS dependencies
      pr_desc: Automated yarn upgrade and yarn build

    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Read .nvmrc
        run: echo ::set-output name=version::$(cat .nvmrc)
        id: read-nvm

      - name: Setup node
        uses: actions/setup-node@v1
        with:
          node-version: ${{ steps.read-nvm.outputs.version }}

      - name: Install yarn
        run: npm install --global yarn

      - name: Install admin JS
        if: github.event.repository.name != 'silverstripe-admin'
        run: |
          # Install admin js in sibling directory so shared components are available
          DIR=$(pwd)
          cd ..
          git clone https://github.com/silverstripe/silverstripe-admin.git admin
          cd admin
          git checkout 1
          yarn install
          cd $DIR

      # Use `yarn install` rather than `yarn upgrade` to prevent the following error:
      # "error Outdated lockfile. Please run `yarn install` and try again."
      - name: Update yarn.lock
        run: |
          if [ -f yarn.lock ]; then rm yarn.lock; fi
          yarn install

      - name: Read package.json
        id: package-json
        run: |
          # Read package.json to see if lint and test are runnable scripts
          LINT=0
          TEST=0
          if [ "$(jq .scripts.lint? package.json)" != "null" ]; then LINT=1; fi
          if [ "$(jq .scripts.test? package.json)" != "null" ]; then TEST=1; fi
          echo "::set-output name=lint::$LINT"
          echo "::set-output name=test::$TEST"
          echo "LINT is $LINT"
          echo "TEST is $TEST"

      # The following 3 steps make up `yarn build`
      # Splitting apart to make it easier to see where any failures originate from
      - name: Yarn lint
        if: steps.package-json.outputs.lint == 1
        run: yarn lint

      - name: Yarn test
        if: steps.package-json.outputs.test == 1
        run: yarn test

      - name: Build JS with webpack
        # always run this and subsequent steps even if yarn.lint/yarn.test fails so that pull-request is
        # created which will result in a red pull-request build so it's easy to see where things are at
        if: always()
        run: NODE_ENV=production node_modules/webpack/bin/webpack.js -p --bail --progress

      - name: Remove any old pull-requests
        if: always()
        run: |
          JSON=$(curl https://api.github.com/repos/${{ github.repository }}/pulls)
          NUMBERS=$(echo $JSON | jq '.[] | select(.title=="${{ env.pr_title }}" and .user.login=="github-actions[bot]") | .number')
          for NUMBER in $NUMBERS; do
            curl -s \
            -X PATCH https://api.github.com/repos/${{ github.repository }}/pulls/$NUMBER \
            -H "Accept: application/vnd.github.v3+json" \
            -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
            -d @- << EOF
            {
              "state": "closed"
            }
          EOF
            echo "Closed old pull-request $NUMBER"
          done

      - name: Remove any old branches
        if: always()
        run: |
          JSON=$(curl https://api.github.com/repos/${{ github.repository }}/branches)
          BRANCHES=$(echo $JSON | jq -r '.[] | .name | select(.|test("^pulls\/[0-9]\/update-js-[0-9]{10}$"))')
          for BRANCH in $BRANCHES; do
            if [[ "$BRANCH" =~ ^pulls/[0-9\.]+/update\-js\-[0-9]+$ ]]; then
              git push origin --delete "$BRANCH"
              echo "Deleted old branch $BRANCH"
            fi
          done

      - name: Generate branch name
        if: always()
        id: generate-branch-name
        run: |
          # Convert refs/heads/mybranch to mybranch
          CUT=$(echo ${{ github.ref }} | cut -c 12-)
          # e.g. pulls/1/update-js-1647810133
          BRANCH=pulls/$CUT/update-js-$(date +%s)
          echo ::set-output name=branch::$BRANCH

      - name: Git
        if: always()
        uses: emteknetnz/gha-pull-request@main
        with:
          branch: ${{ steps.generate-branch-name.outputs.branch }}
          title: ${{ env.pr_title }}
          description: ${{ env.pr_desc }}