action.yml

name: NodeJS with cache
author: Draftea
description: Setup requested NodeJS version with managed modules caching.

inputs:
  node-version:
    description: Desired NodeJS version.
    default:
  working-directory:
    description: path where the npm install command is run.
    default:
  cache-key-suffix:
    description: Optional cache key suffix.
    default:

outputs:
  cache-path:
    description: NodeJS modules cache path.
    value: ${{ steps.nodejs-env.outputs.module-cache-path }}
  cache-key:
    description: Cache key holding module cache paths.
    value: ${{ steps.nodejs-env.outputs.cache-key }}

runs:
  using: composite
  steps:
    - name: ⚙️ Setup NodeJS
      uses: useblacksmith/setup-node@v5
      with:
        node-version: ${{ inputs.node-version }}
    - name: Determine node_modules paths and construct cache key
      id: nodejs-env
      run: |
        echo "cache-path=${{ inputs.working-directory }}/node_modules" >>"$GITHUB_OUTPUT"
        cacheKeyRoot="${{ runner.os }}-nodejs${{ inputs.cache-key-suffix && format('-{0}',inputs.cache-key-suffix) }}-"
        echo "cache-key-restore=$cacheKeyRoot" >>"$GITHUB_OUTPUT"
        echo "cache-key=${cacheKeyRoot}${{ hashFiles(format('{0}/{1}', inputs.working-directory, 'package-lock.json')) }}" >>"$GITHUB_OUTPUT"
      shell: bash
    - name: Setup cache
      uses: useblacksmith/cache@v5
      with:
        path: ${{ steps.nodejs-env.outputs.cache-path }}
        key: ${{ steps.nodejs-env.outputs.cache-key }}
        restore-keys: ${{ steps.nodejs-env.outputs.cache-key-restore }}