![]() Quick Demo: Photo by Andreas Gücklhorn on Unsplash. You can find a full list of ESLint rules here. You can enable/disable/modify any ESLint rules within the rules section of your. eslintrc.json file should look like this. eslintrc.json file in the root of your project, which looks like so (we’ll modify it a little bit later on): ] ? Would you like to install them now with npm? › No / YesĪs a result, you’ll end up having a. Select "Yes" and hit enter:Ĭhecking peerDependencies of config that you have selected requires the following || ^6.8.0 || ^7.2.0 || ^3 || ^2.3.0 || ^1.7.0 # the final prompt here is where eslint will ask you if you want to install all the necessary dependencies. ? What format do you want your config file to be in? … ? Which style guide do you want to follow? … # question 7 (we'll rely on Airbnb's JavaScript style guide here): ? How would you like to define a style for your project? … ![]() ? Does your project use TypeScript? › No / Yes # question 4 (select "No", because we won't add TypeScript support for this project): ? Which framework does your project use? … ? What type of modules does your project use? … ❯ To check syntax, find problems, and enforce code style Here’s a list of them, and the answers we’ll need to choose ( ✔ and ❯ symbols indicate the selected answers): npx eslint -init # question 1: This command will ask you a few questions via CLI. ![]() # install the latest eslint package versionĤ. npm uninstall React Native 0.64 (at the moment of this writing) doesn’t come with the latest eslint version, so we’ll simply uninstall it and then install it again to pull the latest version. Choose that one Perhaps counterintuitively, you need to format with Vetur not. You should see an option Format Document With. React Native 0.64 (at the moment of this writing) comes with a predefined eslint config, but we’ll remove that package because we’ll create our own config. Make sure that your HTML, CSS, and JS are all set to use Prettier like this: Now inside your HelloWorld.vue you can open your command pallet with ctrl + shift + p or cmd + shift + p and type format. Npx react-native init ReactNativeEslintPrettierĢ. Start a new React Native app using React Native CLI: # follow the steps from the link above to setup your development environment Here are the steps to get started with ESLint in your React Native project.ġ. In fact, when you bootstrap a brand new React Native app using the React Native CLI, the final base project will come with ESLint and Prettier configs built-in, but we’ll delete those and start from scratch. When you write React Native apps you basically write JavaScript, which means we can easily make use of ESLint’s and Prettier’s awesomeness here as well. This will also ensure that the code will be formatted in a consistent manner when two or more developers collaborate together.Įnough with the theory, let’s get to real work, right?! Being able to simply save your file and then have the code being auto-formatted for you, it’s simply amazing. Prettier is a tool that will format the code for you based on some defined rules. You’re trying to use a variable that wasn’t previously declared (leads to code execution errors). You declared a variable, but you never used it (leads to dead code) Ģ. What is ESLint?ĮSLint is a linting tool for JavaScript that allows developers to find problematic patterns or code that doesn’t adhere to certain style guidelines.ġ. ![]() You can make sure this module lints with itself using npm run lint.When writing clean and well-formatted JavaScript code, you can save quite some time if you’ll make use of tools like ESLint and Prettier. Perhaps in a distant future, we could use literate programming to structure our README as test cases for our. Improving this configĬonsider adding test cases if you're making complicated rules changes, like anything involving regexes. ![]() See eslint-config-airbnb-base.įor more information. This entry point only errors on whitespace rules and sets all other rules to warnings. This entry point enables the linting rules for React hooks (requires v16.8+). Npm install -save-dev eslint-config-airbnb #.#.# Add "extends": "airbnb" to your. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |