name: Setup PNPM
description: Sets up Node.js and runs PNPM so dependencies are installed.

inputs:
  node-version:
    description: Node.js version
    required: false
    default: "20"

runs:
  using: composite
  steps:
    - name: Set up Node.js
      uses: actions/setup-node@v4
      with:
        node-version: ${{ inputs.node-version }}
        check-latest: true

    - name: Enable Corepack
      shell: bash
      run: corepack enable

    - name: Get PNPM store directory
      id: pnpm-cache
      shell: bash
      run: |
        echo "store-path=$(pnpm store path --silent)" >> $GITHUB_OUTPUT

    - uses: actions/cache@v4
      name: Setup PNPM cache
      with:
        # Also cache Cypress binary.
        path: |
          ~/.cache/Cypress
          ${{ steps.pnpm-cache.outputs.store-path }}
        key: ${{ runner.os }}-pnpm-store-${{ hashFiles('pnpm-lock.yaml') }}
        restore-keys: |
          ${{ runner.os }}-pnpm-store-

    - name: Install dependencies
      shell: bash
      # Run the store prune after the installation to avoid having caches which grow over time
      run: |
        pnpm install --prefer-offline --frozen-lockfile
        pnpm store prune