percy.yml

name: percy
concurrency:
  group: ${{ github.head_ref }}-${{ github.workflow }}
  cancel-in-progress: true

on:
  pull_request:
    types:
      - opened
      - reopened
      - synchronize
      - labeled
    paths:
      - "package.json"
      - "package-lock.json"
      - "components/**"
      - "!components/**/*.md"
      - "!components/o3-*/**"
  push:
    branches: main
    paths:
      - "package.json"
      - "package-lock.json"
      - "components/**"
      - "!components/**/*.md"
      - "!components/o3-*/**"

jobs:
  changes:
    runs-on: ubuntu-latest
    permissions:
      pull-requests: read
    outputs:
      components: ${{ steps.set-matrix.outputs.changes }}
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
      - uses: volta-cli/action@v4
      - uses: actions/cache@v2
        with:
          volta-version: "1.0.8"
          path: ~/.npm
          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-node-
      - name: Configure Cloudsmith
        env:
          CLOUDSMITH_API_KEY: ${{ secrets.CLOUDSMITH_API_KEY }}
        run: |
          npm config set registry=https://npm.packages.ft.com/financial-times-internal-releases/
          npm config set //npm.packages.ft.com/financial-times-internal-releases/:_authToken=${CLOUDSMITH_API_KEY}
      - name: Install node modules
        run: npm ci
      - name: Find components affected by changes
        id: percy-changes
        run: |
          changes=()

          for component in components/*/; do
            RESULT=$(WORKSPACE=$component node ./scripts/should-percy-run.js | grep "\-RESULT:" | cut -d ":" -f 2)
            component_trimmed=$(echo $component | sed 's/\/$//g')
            if [[ $RESULT = 'true' ]]; then
              echo "$component_trimmed is affected by changes, adding to percy run list."
              changes+=("$component_trimmed")
            fi
          done

          json_array=$(jq -n '$ARGS.positional' --args "${changes[@]}");
          echo "Changes:\n$json_array:";

          echo "CHANGES=$(echo ${json_array})" >> "$GITHUB_OUTPUT";
      - name: Set Matrix
        id: set-matrix
        run: |
          CHANGES_INPUT=$(echo '${{ steps.percy-changes.outputs.changes }}')
          if [ $CHANGES_INPUT -ne "[]"]; then
            MATRIX=$(echo $CHANGES_INPUT  | jq '{include: (map({component: ., token_name: ("PERCY_TOKEN_" + (. | ascii_upcase | sub("(/|-)"; "_"; "g")))}))}' | tr '\n' ' ')
            echo "CHANGES=$(echo "$MATRIX")" >> "$GITHUB_OUTPUT";
          else
            echo "CHANGES=$(echo '[]')"  >> "$GITHUB_OUTPUT";
          fi
  run-percy:
    if: ${{ needs.changes.outputs.components != '[]' && needs.changes.outputs.components != '' }}
    needs: changes
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix: ${{ fromJson(needs.changes.outputs.components) }}
    steps:
      - uses: actions/checkout@v2
      - uses: volta-cli/action@v4
      - uses: actions/cache@v2
        with:
          volta-version: "1.0.8"
          path: ~/.npm
          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-node-
      - name: Configure Cloudsmith
        env:
          CLOUDSMITH_API_KEY: ${{ secrets.CLOUDSMITH_API_KEY }}
        run: |
          npm config set registry=https://npm.packages.ft.com/financial-times-internal-releases/
          npm config set //npm.packages.ft.com/financial-times-internal-releases/:_authToken=${CLOUDSMITH_API_KEY}
      - name: Install node modules
        run: npm ci
      - name: Start Percy check
        env:
          PERCY_TOKEN: ${{ secrets[matrix.token_name] }}
          WORKSPACE: ${{ matrix.component }}
        run: |
          node ./scripts/percy.js