ci-cd.yml

name: CI/CD pipeline

on: [ push, pull_request, workflow_dispatch ]

jobs:
  build:
    name: "Build ${{ matrix.os }} node${{ matrix.node-version }}"
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ ubuntu-latest, windows-latest ]
        node-version: [ 10.x, 12.x, 14.x, 16.x ]
    outputs:
      package_version: ${{ steps.proj_ver_determiner.outputs.package_version }}
      package_version_tag: ${{ steps.proj_ver_determiner.outputs.package_version_tag }}
      latest_github_tag: ${{ steps.proj_ver_determiner.outputs.latest_github_tag }}
      should_deploy: ${{ steps.proj_ver_determiner.outputs.should_deploy }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      # Tooling setup

      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v2
        with:
          node-version: ${{ matrix.node-version }}

      # Information setup

      - name: Pipeline data gatherer
        id: data_gatherer
        shell: sh
        run: |
          # Get default branch
          REPO="${{ github.repository }}"
          DEFAULT_BRANCH=`(curl -X GET https://api.github.com/repos/$REPO) | jq '.default_branch'`

          echo "::set-output name=default_branch::$(echo $DEFAULT_BRANCH)"

      - name: Pipeline conditionals handler
        id: conditionals_handler
        shell: sh
        run: |
          DEFAULT_BRANCH="${{ steps.data_gatherer.outputs.default_branch }}"
          GITHUB_REF="${{ github.ref }}"
          CURRENT_BRANCH=`echo $GITHUB_REF | sed -e "s/^refs\/heads\///"`
          GITHUB_EVENT_NAME="${{ github.event_name }}"
          IS_DEFAULT_BRANCH='false'
          IS_PUSH='false'
          IS_PUSH_TO_DEFAULT_BRANCH='false'

          if [ $CURRENT_BRANCH == $DEFAULT_BRANCH ]; then
            IS_DEFAULT_BRANCH='true'
          fi
          if [ $GITHUB_EVENT_NAME == 'push' ]; then
            IS_PUSH='true'
          fi
          if [ $CURRENT_BRANCH == $DEFAULT_BRANCH ] && [ $GITHUB_EVENT_NAME == 'push' ]; then
            IS_PUSH_TO_DEFAULT_BRANCH='true'
          fi

          echo "::set-output name=is_default_branch::$(echo $IS_DEFAULT_BRANCH)"
          echo "::set-output name=is_push::$(echo $IS_PUSH)"
          echo "::set-output name=is_push_to_default_branch::$(echo $IS_PUSH_TO_DEFAULT_BRANCH)"

      - if: steps.conditionals_handler.outputs.is_push_to_default_branch == 'true'
        name: Project version/deploy determiner
        id: proj_ver_determiner
        shell: sh
        run: |
          git fetch --all --tags

          PACKAGE_VERSION=$(cat package.json \
            | grep version \
            | head -1 \
            | awk -F: '{ print $2 }' \
            | sed 's/[",]//g')
          PACKAGE_VERSION_TAG=`echo v$PACKAGE_VERSION | sed -e 's/[[:space:]]//'`
          LATEST_GITHUB_TAG=`echo $(git tag | sort --version-sort | tail -n1)`
          SHOULD_DEPLOY="false"

          # download semver compare tool
          curl https://raw.githubusercontent.com/Ariel-Rodriguez/sh-semversion-2/main/semver2.sh -o semver2.sh
          chmod +x semver2.sh

          if [ `echo $(./semver2.sh $PACKAGE_VERSION_TAG $LATEST_GITHUB_TAG)` = 1 ]; then
            SHOULD_DEPLOY="true"
          fi

          echo "::set-output name=package_version::$(echo $PACKAGE_VERSION)"
          echo "::set-output name=package_version_tag::$(echo $PACKAGE_VERSION_TAG)"
          echo "::set-output name=latest_github_tag::$(echo $LATEST_GITHUB_TAG)"
          echo "::set-output name=should_deploy::$(echo $SHOULD_DEPLOY)"

      # Build and test validation

      - name: Create logs directory
        shell: sh
        run: |
          mkdir -p logs

      - name: Install dependencies
        shell: sh
        run: |
          npm ci --loglevel verbose 2>&1 | tee logs/install.log

      - name: Build the app
        shell: sh
        run: |
          npm run build --if-present --loglevel verbose 2>&1 | tee logs/build.log
        env:
          TEST_NO_SANDBOX: 1
          TERSER_TEST_ALL: 1

      - if: matrix.node-version != '10.x'
        name: Run compress tests
        shell: sh
        run: |
          npm run test:compress --loglevel verbose 2>&1 | tee logs/compress_test.log

      - if: matrix.node-version != '10.x'
        name: Run mocha tests
        shell: sh
        run: |
          npm run test:mocha --loglevel verbose 2>&1 | tee logs/mocha_test.log

      - if: matrix.node-version == '10.x'
        name: Run all tests with Node 10.x
        shell: sh
        run: |
          node --require esm test/compress.js --loglevel verbose 2>&1 | tee logs/compress_test.log
          npm run test:mocha -- --require esm --loglevel verbose 2>&1 | tee logs/mocha_test.log
        env:
          TEST_NO_SANDBOX: 1

      - if: matrix.os == 'ubuntu-latest' && matrix.node-version == '12.x'
        name: Run functional tests on ${{ matrix.os }} with Node 12.x
        run: |
          ./test/functional.sh 2>&1 | tee logs/functional_tests.log

      # Artifact publish to pipeline

      - name: Upload logs as artifact
        uses: actions/upload-artifact@v2
        with:
          name: "Logs ${{ matrix.os }} - nodejs ${{ matrix.node-version }}"
          path: logs/

  deploy:
    if: needs.build.outputs.should_deploy == 'true'
    needs: build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      # Tooling setup

      - name: Use Node.js 16.x
        uses: actions/setup-node@v2
        with:
          node-version: 16.x

      # Package deploy

      - name: Deploy to npm
        run: |
          echo $'registry=https://registry.npmjs.org/\n' //registry.npmjs.org/:_authToken=${NPM_TOKEN} > .npmrc

          npm ci

          npm publish --access public

          rm -f .npmrc
        env:
          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}

      # GitHub deploy

      - name: Push GitHub tag
        run: |
          GITHUB_TAG="${{ needs.build.outputs.package_version_tag }}"

          git config --global user.email ${{ secrets.GH_USER_EMAIL }}
          git config --global user.name ${{ secrets.GH_USER_NAME }}
          git tag $GITHUB_TAG
          git push origin --tags

      - name: Create and publish release
        run: |
          RELEASE_TAG="${{ needs.build.outputs.package_version_tag }}"
          PREVIOUS_TAG="${{ needs.build.outputs.latest_github_tag }}"
          RELEASE_TITLE="$RELEASE_TAG"
          START_LINE=$(( $( grep -n "## $RELEASE_TAG" CHANGELOG.md | grep -Eo '^[^:]+' ) + 2 ))
          END_LINE=$(( $( grep -n "## $PREVIOUS_TAG" CHANGELOG.md | grep -Eo '^[^:]+' ) - 2 ))
          RELEASE_NOTES=$(echo $'### Changelog:\n\n' "$( sed -n "$START_LINE,$END_LINE"p CHANGELOG.md )")

          gh release create $RELEASE_TAG --title $RELEASE_TITLE --notes "$RELEASE_NOTES"
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}