Cache npm dependencies in GitHub Actions

yaml

- uses: actions/setup-node@v4
  with:
    node-version: 20
    cache: npm

Explanation

Prefer built-in setup action caching when available because it is simpler and less error-prone.

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Same sheet · prioritizing Speed and portability

Use cache for dependencies and artifacts for outputs.

Open In sheetyamlsame section

Publish files from one job for later download or deploy.

Open In sheetyamlsame section

Run the same job across multiple Node versions.

Expand one logical job into multiple combinations.

Call a shared workflow from another repository or workflow file.