action.yaml

name: setup-node
description: Installs NodeJS and project dependencies

inputs:
  node_version:
    description: NodeJS version (latest LTS by default)
    required: false
    default: ''
  node_version_file:
    description: NodeJS version file
    required: false
    default: ''
  working_directory:
    description: Working directory
    required: false
    default: '.'

runs:
  using: composite

  steps:
    - name: Check NodeJS version
      id: check-node-version
      shell: bash
      working-directory: ${{ inputs.working_directory }}
      env:
        NODE_VERSION: ${{ inputs.node_version }}
        NODE_VERSION_FILE: ${{ inputs.node_version_file }}
      run: |
        if [ -z "$NODE_VERSION" ] && [ -z "$NODE_VERSION_FILE" ]; then
          echo "Must set either node_version or node_version_file"
          exit 1
        elif [ -n "$NODE_VERSION" ] && [ -n "$NODE_VERSION_FILE" ]; then
          echo "Cannot set both node_version and node_version_file"
          exit 1
        fi

    - name: Setup NodeJS
      id: install-node
      uses: actions/setup-node@v4
      with:
        node-version: '${{ inputs.node_version }}'
        node-version-file: '${{ inputs.node_version_file }}'
        cache: yarn
        cache-dependency-path: ${{ inputs.working_directory }}/yarn.lock


    - name: Check yarn.lock
      id: check-yarn-lock
      shell: bash
      run: |
        if [ -f yarn.lock ]; \
        then \
          echo "has-lock=true" >> $GITHUB_OUTPUT; \
        else \
          echo "has-lock=false" >> $GITHUB_OUTPUT; \
        fi

    - name: Install dependencies
      id: install-node-deps
      shell: bash
      working-directory: ${{ inputs.working_directory }}
      env:
        HAS_YARN_LOCK: ${{ steps.check-yarn-lock.outputs.has-lock }}
      run: |
        if [ "${HAS_YARN_LOCK}" == "true" ];
        then
          yarn install --frozen-lockfile --immutable;
        else
          yarn install;
        fi

outputs:
  node-version:
    description: NodeJS version
    value: ${{ steps.install-node.outputs.node-version }}
  cache-hit:
    description: Cache hit
    value: ${{ steps.install-node.outputs.cache-hit }}