action.yml

name: Semantic Release
description: Deploy using semantic-release
inputs:
  DEFAULT_BRANCH:
    description: Name of the default release branch
    default: main
  DRY_RUN:
    description: Runs semantic-release with the "--dry-run" flag to simulate a release but not actually do one
    default: false
  GITHUB_TOKEN:
    description: Token to use to update version in 'package.json' and create GitHub release
    required: true
  NPM:
    description: Whether or not to release as an NPM package
    default: false
  NPM_TOKEN:
    description: Token to publish to NPM (not required for CodeArtifact)
outputs:
  VERSION:
    description: Version of the new release, or empty if release is unchanged
    value: ${{ steps.semantic-release.outputs.version }}
runs:
  using: composite
  steps:
    - name: Installing semantic-release
      run: |
        echo "Installing semantic-release..."
        npm install semantic-release@25 @semantic-release/git@10 --no-save
      shell: bash
    - name: Run semantic-release
      id: semantic-release
      env:
        DEFAULT_BRANCH: ${{ inputs.DEFAULT_BRANCH }}
        GITHUB_TOKEN: ${{ inputs.GITHUB_TOKEN }}
        NPM: ${{ inputs.NPM }}
        NPM_TOKEN: ${{ inputs.NPM_TOKEN }}
      run: |
        echo "version=" >> $GITHUB_OUTPUT
        if [ ${{ inputs.DRY_RUN }} == true ]; then
          echo "Running semantic-release (dry run)..."
          npx semantic-release --dry-run -e ./.github/actions/semantic-release/release.config.js
        else
          OLD_VERSION=$(node -p -e "require('./package.json').version")
          echo "Running semantic-release..."
          npx semantic-release -e ./.github/actions/semantic-release/release.config.js
          NEW_VERSION=$(node -p -e "require('./package.json').version")
          if [ "$OLD_VERSION" != "$NEW_VERSION" ]; then
            echo "version=$NEW_VERSION" >> $GITHUB_OUTPUT
          fi
        fi
      shell: bash