lint-build-test

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How to check code by linting, building, and testing.

MetaMask By MetaMask schedule Updated 1/27/2026

name: lint-build-test description: How to check code by linting, building, and testing.

When asked to check, lint, build, or test code, follow these steps:

1. Analyze changed files

First, check which files have changed using git status or git diff --name-only.

Categorize the changes:

  • Source files: .ts, .js, .mts, .mjs, .cjs, .cts, .tsx, .jsx
  • Meta files: .md, .yml, .yaml, .json, .html

2. Determine what to run

Based on the changed files:

  • No files changed: Nothing to do.
  • Only meta files changed: Run only yarn lint:misc --write (or yarn workspace <package-name> lint:misc --write for a specific package).
  • Source files changed: Run the full check (see below).

3. Run the full check (if needed)

For a specific package

If a package name is specified (e.g. @metamask/ocap-kernel):

  1. yarn workspace <package-name> lint:fix
  2. yarn workspace <package-name> build
  3. yarn workspace <package-name> test:dev:quiet

For the entire monorepo

If no package is specified:

  1. yarn lint:fix
  2. yarn build
  3. yarn test:dev:quiet

Report any errors encountered during these steps.

Install via CLI
npx skills add https://github.com/MetaMask/ocap-kernel --skill lint-build-test
Repository Details
star Stars 9
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navigation Branch main
article Path SKILL.md
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