name: Reusable linting workflow

on:
  workflow_call:
    inputs:
      ref:
        description: GitHub ref to lint.
        required: false
        type: string
        default: master
      cacheKey:
        description: Cache key for modules and build artifacts.
        required: false
        default: ''
        type: string

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4.1.1
        with:
          repository: n8n-io/n8n
          ref: ${{ inputs.ref }}

      - run: corepack enable
      - uses: actions/setup-node@v4.0.2
        with:
          node-version: 20.x
          cache: pnpm

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Build
        if: ${{ inputs.cacheKey == '' }}
        run: pnpm build

      - name: Restore cached build artifacts
        if: ${{ inputs.cacheKey != '' }}
        uses: actions/cache/restore@v4.0.0
        with:
          path: ./packages/**/dist
          key: ${{ inputs.cacheKey }}

      - name: Lint Backend
        run: pnpm lint:backend

      - name: Lint Nodes
        run: pnpm lint:nodes

      - name: Lint Frontend
        run: pnpm lint:frontend