pr-checks.yml

name: Lint & Test

on:
  pull_request:
    # edited is needed because that's the trigger when the base branch is
    # changed on a PR
    # The rest are the defaults.
    types: [edited, opened, synchronize, reopened]

jobs:
  lint_and_test:
    name: Lint & Test
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest]
        node-version: [20.x]
    steps:
    - uses: actions/checkout@v4
    - uses: Khan/actions@shared-node-cache-v2
      with:
        node-version: ${{ matrix.node-version }}

    - name: Get All Changed Files
      uses: Khan/actions@get-changed-files-v2
      id: changed

    - id: ts-files
      name: Find .ts changed files
      uses: Khan/actions@filter-files-v1
      with:
        changed-files: ${{ steps.changed.outputs.files }}
        extensions: '.ts'

    - name: Run TypeScript
      if: steps.ts-files.outputs.filtered != '[]'
      run: yarn tsc

    - id: eslint-reset
      uses: Khan/actions@filter-files-v1
      name: Files that would trigger a full eslint run
      with:
        changed-files: ${{ steps.changed.outputs.files }}
        files: '.eslintrc.js,package.json,.eslintignore'

    - name: ESlint
      uses: Khan/actions@full-or-limited-v0
      with:
        full-trigger: ${{ steps.eslint-reset.outputs.filtered }}
        full: yarn eslint src/**/*.ts
        limited-trigger: ${{ steps.ts-files.outputs.filtered }}
        limited: yarn eslint {}

    - id: jest-reset
      uses: Khan/actions@filter-files-v0=1
      name: Files that would trigger a full jest run
      with:
        changed-files: ${{ steps.changed.outputs.files }}
        files: 'package.json,package-lock.json'

    - name: Jest
      uses: Khan/actions@full-or-limited-v0
      with:
        full-trigger: ${{ steps.jest-reset.outputs.filtered }}
        full: yarn jest
        limited-trigger: ${{ steps.ts-files.outputs.filtered }}
        limited: yarn jest --findRelatedTests {}