Building Enterprise JavaScript Applications

Adding pre-commit hooks

However, we're not quite finished yet. Many developers are careless and forgetful. Even with eslint installed and the extension configured, they may still forget to run the lint command before committing badly styled code. To help them, we can implement Git hooks, which are programs that are triggerred to run at defined points in Git's execution.

By default, Git hooks are stored inside the .git/hooks directory. If you look inside the directory, you'll find many sample hooks with the .sample file extension. The one we are interested in is the pre-commit hook, which is executed after the git commit command is issued, but before the actual commit is made.

Hooks are written as a shell script. For the pre-commit hook, ...