CI workflow (youzan/vant-weapp)

The CI workflow from youzan/vant-weapp, explained and optimized by Latchkey.

CI health: F - at risk

Point runs-on at Latchkey and get caching, run de-duplication, job timeouts, SHA-pinned actions, self-healing for flaky steps, and up to 58% lower cost, applied automatically.

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Source: youzan/vant-weapp.github/workflows/test.ymlLicense MITView source

What it does

This is the CI workflow from the youzan/vant-weapp repository, a real project running GitHub Actions. It is shown here with attribution under its MIT license.

Below, Latchkey shows a faster, safer version produced by its optimization engine.

The workflow

workflow (.yml)

name: CI

on: [push, pull_request]

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v1
    - uses: actions/setup-node@v1
      with:
        node-version: '18.x'

    - name: Install dependencies
      uses: bahmutov/npm-install@v1

    - name: Run linter
      run: npm run lint

  test:
    runs-on: ubuntu-latest
    steps:
    - uses: szenius/set-timezone@v1.0
      with:
        timezoneLinux: "Asia/Shanghai"
        timezoneMacos: "Asia/Shanghai"
        timezoneWindows: "China Standard Time"
    - uses: actions/checkout@v1
    - uses: actions/setup-node@v1
      with:
        node-version: '18.x'

    - name: Install dependencies
      uses: bahmutov/npm-install@v1

    - name: Run test cases
      run: npm test

    - name: Upload coverage to Codecov
      uses: codecov/codecov-action@v1
      with:
        token: ${{ secrets.CODECOV_TOKEN }}

  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v1
    - uses: actions/setup-node@v1
      with:
        node-version: '18.x'

    - name: Install dependencies
      uses: bahmutov/npm-install@v1

    - name: Build
      run: npm run build:lib

The same workflow, on Latchkey

Estimated ~20% faster on cache hits, plus fewer wasted runs and a safer supply chain. Added and changed lines are highlighted.

name: CI
 
on: [push, pull_request]
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  lint:
    timeout-minutes: 30
    runs-on: latchkey-small
    steps:
    - uses: actions/checkout@v1
    - uses: actions/setup-node@v1
      with:
        cache: 'npm'
        node-version: '18.x'
 
    - name: Install dependencies
      uses: bahmutov/npm-install@v1
 
    - name: Run linter
      run: npm run lint
 
  test:
    timeout-minutes: 30
    runs-on: latchkey-small
    steps:
    - uses: szenius/set-timezone@v1.0
      with:
        timezoneLinux: "Asia/Shanghai"
        timezoneMacos: "Asia/Shanghai"
        timezoneWindows: "China Standard Time"
    - uses: actions/checkout@v1
    - uses: actions/setup-node@v1
      with:
        cache: 'npm'
        node-version: '18.x'
 
    - name: Install dependencies
      uses: bahmutov/npm-install@v1
 
    - name: Run test cases
      run: npm test
 
    - name: Upload coverage to Codecov
      uses: codecov/codecov-action@v1
      with:
        token: ${{ secrets.CODECOV_TOKEN }}
 
  build:
    timeout-minutes: 30
    runs-on: latchkey-small
    steps:
    - uses: actions/checkout@v1
    - uses: actions/setup-node@v1
      with:
        cache: 'npm'
        node-version: '18.x'
 
    - name: Install dependencies
      uses: bahmutov/npm-install@v1
 
    - name: Build
      run: npm run build:lib

What changed

Run on Latchkey managed runners with one line (runs-on), which apply the fixes below automatically and self-heal transient failures. This example uses latchkey-small; pick the runner size that fits the job.
Cancel superseded runs when a branch or PR gets a newer push.
Cache dependency installs on the setup step so they are served from cache.
Add a job timeout so a hung step cannot burn hours of runner time.

3 third-party actions are referenced by a movable tag. Pin them to the commit SHA (Latchkey resolves and applies this automatically) so a repointed tag cannot change what runs.

This workflow runs 3 jobs per trigger. On Latchkey the same minutes cost up to 58% less than GitHub-hosted, with zero queue time.

Actions used in this workflow

actions/checkout actions/setup-node codecov/codecov-action