Tests workflow (lowdefy/lowdefy)

The Tests workflow from lowdefy/lowdefy, explained and optimized by Latchkey.

What it does

This is the Tests workflow from the lowdefy/lowdefy repository, a real project running GitHub Actions. It is shown here with attribution under its Apache-2.0 license.

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

The workflow

name: Tests

on:
  push:
    branches:
      - main
      - develop

jobs:
  test:
    name: Test
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os:
          - ubuntu-latest
          - windows-latest
        node: [22, 24]
    steps:
      - uses: actions/checkout@v4
      - uses: pnpm/action-setup@v4
      - uses: actions/setup-node@v4
        with:
          node-version: ${{ matrix.node }}
          cache: 'pnpm'
      - run: pnpm install --frozen-lockfile
      - name: Build
        run: pnpm build
        if: matrix.os != 'windows-latest'
      - name: Build (skip website on Windows)
        run: pnpm -r --filter='!@lowdefy/website' --filter='!@lowdefy/lowdefy' build
        if: matrix.os == 'windows-latest'
      - run: pnpm test
      - uses: codecov/codecov-action@v3

The same workflow, on Latchkey

Removes redundant runs and caps runaway jobs. Added and changed lines are highlighted.

name: Tests
 
on:
  push:
    branches:
      - main
      - develop
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  test:
    timeout-minutes: 30
    name: Test
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os:
          - ubuntu-latest
          - windows-latest
        node: [22, 24]
    steps:
      - uses: actions/checkout@v4
      - uses: pnpm/action-setup@v4
      - uses: actions/setup-node@v4
        with:
          node-version: ${{ matrix.node }}
          cache: 'pnpm'
      - run: pnpm install --frozen-lockfile
      - name: Build
        run: pnpm build
        if: matrix.os != 'windows-latest'
      - name: Build (skip website on Windows)
        run: pnpm -r --filter='!@lowdefy/website' --filter='!@lowdefy/lowdefy' build
        if: matrix.os == 'windows-latest'
      - run: pnpm test
      - uses: codecov/codecov-action@v3
 

What changed

• Cancel superseded runs when a branch or PR gets a newer push.
• Add a job timeout so a hung step cannot burn hours of runner time.

2 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.

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 (4 with the matrix expanded) per trigger. On Latchkey the same minutes cost up to 58% less than GitHub-hosted, with zero queue time.

Actions used in this workflow