What are pre-commit hooks and how do they work in different programming languages?
Pre-commit hooks are scripts that run automatically before a commit is made in version control systems. They help enforce coding standards, run tests, and prevent bad code from being committed.
Can you give me examples of how to set up pre-commit hooks in Python and JavaScript?
In Python, you can use the pre-commit
package. You define hooks in a .pre-commit-config.yaml
file. For JavaScript, you can use husky
to set up hooks in your package.json
.
What are some common tasks that pre-commit hooks can automate?
Common tasks include running linters, formatting code, running tests, and checking for sensitive data before allowing a commit.
Are there any risks associated with using pre-commit hooks?
Yes, if not configured properly, they can slow down the commit process or block commits due to false positives. It's important to test hooks thoroughly.
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