Node.js CI workflow (JakeChampion/fetch)
The Node.js CI workflow from JakeChampion/fetch, explained and optimized by Latchkey.
CI health: D - needs work
Point runs-on at Latchkey and get caching, run de-duplication, job timeouts, self-healing for flaky steps, and up to 58% lower cost, applied automatically.
What it does
This is the Node.js CI workflow from the JakeChampion/fetch 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
# This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node
# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
name: Node.js CI
on:
push:
branches: [ main ]
pull_request:
branches: [ main ]
permissions:
contents: read
jobs:
build:
runs-on: ubuntu-latest
strategy:
matrix:
node-version: [18.x, 20.x]
steps:
- uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
- name: Use Node.js ${{ matrix.node-version }}
uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
with:
node-version: ${{ matrix.node-version }}
- run: npm i
- run: npm run build --if-present
- run: npm test
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.
# This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node # For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions name: Node.js CI on: push: branches: [ main ] pull_request: branches: [ main ] permissions: contents: read concurrency: group: ${{ github.workflow }}-${{ github.ref }} cancel-in-progress: true jobs: build: timeout-minutes: 30 runs-on: latchkey-small strategy: matrix: node-version: [18.x, 20.x] steps: - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2 - name: Use Node.js ${{ matrix.node-version }} uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2 with: cache: 'npm' node-version: ${{ matrix.node-version }} - run: npm i - run: npm run build --if-present - run: npm test
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 useslatchkey-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.
This workflow runs 1 job (2 with the matrix expanded) per trigger. On Latchkey the same minutes cost up to 58% less than GitHub-hosted, with zero queue time.