docbrown/docs/getting-started/committing.md

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Committing

Committing and Pre-Commit Hooks

When commits are made, a git precommit hook runs via husky and lint-staged. ESLint, prettier, and Rubocop will run on your code before it's committed. If there are linting errors that can't be automatically fixed, the commit will not happen. You will need to fix the issue manually then attempt to commit again.

Note: if you've already installed the husky package at least once (used for precommit npm script), you will need to run yarn --force or npm install --no-cache. For some reason, the post-install script of husky does not run when the package is pulled from yarn or npm's cache. This is not husky specific, but rather a cached package issue.