no-deprecated-node-runtime

Rule catalog ID: R044

Targeted pattern scope

GitHub Action metadata runs.using for JavaScript actions.

What this rule reports

Reports deprecated Node.js runtimes such as node12 and node16.

Why this rule exists

Deprecated runtimes age out of security support and eventually break action execution.

❌ Incorrect

runs:
  using: node16
  main: dist/index.js

✅ Correct

runs:
  using: node20
  main: dist/index.js

Additional examples

For larger repositories, this rule is often enabled together with one of the published presets so violations are caught in pull requests before workflow changes are merged.

ESLint flat config example

import githubActions from "eslint-plugin-github-actions-2";

export default [
  {
    files: ["**/*.{yml,yaml}"],
    plugins: {
      "github-actions": githubActions,
    },
    rules: {
      "github-actions/no-deprecated-node-runtime": "error",
    },
  },
];

When not to use it

You can disable this rule when its policy does not match your repository standards, or when equivalent enforcement is already handled by another policy tool.

Targeted pattern scope​

What this rule reports​

Why this rule exists​

❌ Incorrect​

✅ Correct​

Additional examples​

ESLint flat config example​

When not to use it​

Further reading​