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How to enforce Conventional Commit messages using Git hooks with husky & commitlint

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How to enforce Conventional Commit messages using Git hooks with husky & commitlint

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Jordan Harrison
·Aug 18, 2022·

2 min read

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In this guide I will be showing you how to enforce the use of Conventional Commit messages in Git. If you don't know what Conventional Commits are, you can read my other post here. Let's get right into it.

Go ahead and open up your repo in Terminal. Let's install husky, commitlint cli & config-conventional as development dependencies:

npm install --save-dev husky @commitlint/cli @commitlint/config-conventional

Next, we will enable Git hooks using Husky and add the commit-msg by entering the following commands:

npx husky install
npx husky add .husky/commit-msg 'npx commitlint --edit $1'

Create the following files in the root of your repo to configure commitlint

.commitlintrc.json

{
  "extends": ["@commitlint/config-conventional"]
}

commitlint.config.js

module.exports = {
  extends: ['@commitlint/config-conventional'],
};

And we're done! A quick and painless method of enforcing conventional commit messages. Give it a go by trying to commit to Git with a non-conventional messages.

git commit -a -m "Set up Conventional Commits using Husky and commitlint"

You should get the below error

⧗   input: Set up Conventional Commits using Husky and commitlint
✖   subject may not be empty [subject-empty]
✖   type may not be empty [type-empty]

✖   found 2 problems, 0 warningsGet help: https://github.com/conventional-changelog/commitlint/#what-is-commitlint

husky - commit-msg hook exited with code 1 (error)

Let's now change this to be a conventional commit:

git commit -m 'feat: enforce conventional commits using husky and commitlint'

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