Npm workflow (lint-staged/lint-staged)

The Npm workflow from lint-staged/lint-staged, explained and optimized by Latchkey.

What it does

This is the Npm workflow from the lint-staged/lint-staged 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

name: Npm

on:
  workflow_call:

permissions:
  contents: read

jobs:
  Install:
    name: Install Dependencies
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # https://github.com/actions/checkout/releases/tag/v6.0.2
        with:
          sparse-checkout: |
            .node-version
            package-lock.json
            package.json
          sparse-checkout-cone-mode: false
      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # https://github.com/actions/setup-node/releases/tag/v6.4.0
        with:
          node-version-file: .node-version
          registry-url: https://registry.npmjs.org
          package-manager-cache: false
      - uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # https://github.com/actions/cache/releases/tag/v5.0.5
        id: cache-node_modules
        with:
          path: node_modules
          key: node-modules-ubuntu-latest-${{ hashFiles('package-lock.json') }}
      - if: steps.cache-node_modules.outputs.cache-hit != 'true'
        run: npm ci --ignore-scripts

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: Npm
 
on:
  workflow_call:
 
permissions:
  contents: read
 
jobs:
  Install:
    timeout-minutes: 30
    name: Install Dependencies
    runs-on: latchkey-small
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # https://github.com/actions/checkout/releases/tag/v6.0.2
        with:
          sparse-checkout: |
            .node-version
            package-lock.json
            package.json
          sparse-checkout-cone-mode: false
      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # https://github.com/actions/setup-node/releases/tag/v6.4.0
        with:
          cache: 'npm'
          node-version-file: .node-version
          registry-url: https://registry.npmjs.org
          package-manager-cache: false
      - uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # https://github.com/actions/cache/releases/tag/v5.0.5
        id: cache-node_modules
        with:
          path: node_modules
          key: node-modules-ubuntu-latest-${{ hashFiles('package-lock.json') }}
      - if: steps.cache-node_modules.outputs.cache-hit != 'true'
        run: npm ci --ignore-scripts
 

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.
• 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.

What Latchkey heals here

This workflow has steps that commonly fail on transient issues (network, registries, flaky browsers). On Latchkey managed runners they are detected, retried, and self-healed instead of failing your build:

• Dependency installs

This workflow runs 1 job per trigger. On Latchkey the same minutes cost up to 58% less than GitHub-hosted, with zero queue time.

Actions used in this workflow