Git Hooks to Automate Actions using Husky - React Native Expert blog
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Git Hooks to Automate Actions using Husky

Automate React Native Git Actions with Husky

Nov 09, 2023

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Introduction:

Whenever we push our code in Git, we have to check code syntax issues or code styling. But we often forget these things, so how can we overcome this? The solution is to use an automated tool whenever we push our code changes in Git, it will automatically check syntax or styling issues. For this husky tool is the overall best choice.

What is Husky?

Husky is a tool that allows developers to easily manage Git hooks and run scripts at different stages of a commit. Git hooks are scripts that run at certain events in the Git lifecycle, such as before or after a commit, and can be used to automate code tasks or enforce standards. Husky supports all client-side Git hooks and is lightweight with zero dependencies.

What are Git Hooks?

Git hooks are scripts that run automatically every time a particular event occurs in a Git repository. They are shell scripts found in the hidden .git/hooks directory of a Git repository and trigger actions in response to specific events, such as before or after a commit, push, or merge. Git hooks can be used to automate tasks and enforce policies throughout the Git workflow.

Benefits of using Husky over other automation tools:

  • Lightweight and easy to use: Husky is a lightweight tool with zero dependencies, making it easy to install and use.
  • Supports all client-side Git hooks: Husky supports all client-side Git hooks, making it a versatile tool for automating code tasks.
  • Follows best practices: Husky follows npm and Yarn best practices regarding auto-install, making it easy to integrate with existing workflows.
  • User-friendly messages: Husky provides user-friendly messages, making it easy to understand what is happening during the Git lifecycle.
  • Custom hooks directory: Husky allows developers to specify a custom hooks directory, making it easy to organize and manage Git hooks.
  • Nested projects and monorepos: Husky supports nested projects and monorepos, making it a great tool for large-scale projects.
  •  

Prerequisites:

Ensure you have the following installed:

				
					npm install -g react-native-cli
				
			

Step 1: Install ESLint, Prettier, Husky, and lint-staged as dev dependencies using npm or yarn

				
					npm install --save-dev eslint prettier husky lint-staged
				
			

Step 2: Configure ESLint and Prettier by creating a .eslintrc.json file in the root directory of the project and adding the necessary rules and plugins

				
					{
  "extends": ["@react-native-community","plugin:prettier/recommended"],
  "plugins": ["prettier"], 
  "rules": { 
    "prettier/prettier": "error"
    } 
}
				
			

Step 3: Configure Husky by adding a “husky” object to the package.json file and specifying the pre-commit hook to run lint-staged.

				
					"husky": { 
   "hooks": { 
      "pre-commit": "lint-staged"
        }
      }
				
			

Step 4: Configure lint-staged by adding a “lint-staged” object to the package.json file and specifying the files to be checked by ESLint and formatted by Prettier.

				
					"lint-staged": 
    { "*.{js,jsx,ts,tsx}": [ 
        "eslint --fix",
        "prettier --write"
       ] 
   }

				
			

Best practices in React Native:

  • Use Husky to automate code tasks and enforce standards throughout the Git workflow.
  • Use Husky to run scripts at key points in the Git lifecycle, such as before or after a commit, to ensure code quality and consistency.
  • Use Husky to enforce policies, such as preventing pushes to certain branches or requiring issue numbers in commit messages.
  • Use Husky in conjunction with other tools, such as ESLint and Prettier, to automate code formatting and ensure code quality.
  • Use Husky to streamline workflows and improve productivity by automating repetitive tasks.

Common mistakes in React Native:

  • Configuration errors: If the configuration of Husky is incorrect, it may not run the desired scripts or may cause errors during the Git lifecycle.
  • Compatibility issues: Husky may not be compatible with certain versions of Git or other tools used in the development process.
  • Performance issues: Running scripts at key points in the Git lifecycle can slow down the development process, especially if the scripts are resource-intensive.
  • False positives: If the scripts run by Husky are too strict, they may flag code that is not actually problematic, leading to false positives.
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Conclusion:

In conclusion, Husky is a powerful tool that empowers developers to automate code tasks and enforce standards seamlessly within the Git workflow. By executing scripts at crucial stages of the Git lifecycle, it ensures code quality and consistency. For seamless integration and expert utilization of tools like Husky, Hire experts React Native Developers who can save time, reduce costs, and enhance the efficiency of your development process.

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