eslint: react/prefer-es6-class react/prefer-stateless-function. Always include a single space in your self-closing tag. Do not use displayName for naming components. View the list of whitespace rules here. Most use cases for mixins can be accomplished in better ways via components, higher-order components, or utility modules. The ratio of time spent reading (code) versus writing is well over 10 to 1 … (therefore) making it easy to read makes it easier to write. Previously, you have read that there are pre-configured ESLint configurations out there. Why?
Regular HTML attributes also typically use double quotes instead of single, so JSX attributes mirror this convention. Airbnb React/JSX Style Guide | Airbnb JavaScript Style Guide Our goal will be to disable all formatting rules inside ESLint so that we will only use it … Our basic configuration contains just one such rule: strings should be written inside single quotes rather than double quotes. Props Naming: Avoid using DOM component prop names for different purposes. I would also like to preface that at the time of this writing (June 2018), this will not work if you install the libraries globally. This package provides Airbnb's .eslintrc as an extensible shared config. It supports many languages and integrates with most code editors. eslint: react/jsx-closing-bracket-location react/jsx-closing-tag-location, Always use double quotes (") for JSX attributes, but single quotes (') for all other JS. Some of the options include tab width, trailing commas, bracket spacing, etc. We would like to show you a description here but the site won’t allow us.
This package provides Airbnb's .eslintrc as an extensible shared config. Filter out unnecessary props when possible. If using yarn, you can also use the shortcut described above if you have npm 5+ installed on your machine, as the command will detect that you are using yarn and will act accordingly. eslint: jsx-a11y/img-redundant-alt. Why? eslint: jsx-a11y/no-access-key. Always use ref callbacks. Prettier is an opinionated code formatter. If you have internal state and/or refs, prefer class extends React.Component over React.createClass. . People expect props like style and className to mean one specific thing. 11/11/2018 UPDATE: Paulo Ramos created an awesome shell script for this: https://github.com/paulolramos/eslint-prettier-airbnb-react. eslint-config-airbnb. Component Naming: Use the filename as the component name. isMounted is an anti-pattern, is not available when using ES6 classes, and is on its way to being officially deprecated. Our goal will be to disable all formatting rules inside ESLint so that we will only use it for errors, and have Prettier format all our code instead. We will set this up so that Prettier will be our main extension for code formatting (based on the ESLint rules we define). Also, use prop-types-exact to help prevent bugs. Varying this API for a subset of your app makes the code less readable and less maintainable, and may cause bugs. See issues #1024, and #490 for a more in-depth discussion. See Airbnb's JavaScript styleguide and I have found two well-known extensions that can scan your code and reformat it to a very legible and attractive style. Only include one React component per file. In your project’s root directory, you will want to run. Use arrow functions to close over local variables.
Notes for use: ESLint Rules for React. Be sure to return a value in your render methods. Why? 6. Linting React using Airbnb's ESLint Rules. It can highlight errors while you type in your editor, as well as display an itemized list of errors in your console. eslint: jsx-quotes. You can also set your preferences in the options. Follow these alignment styles for JSX syntax. Perhaps you have used the Airbnb configuration which already comes with rules for React. We export three ESLint configurations for your usage. See eslint-config-airbnb-base. This can be particularly useful when testing React components with Mocha’s beforeEach construct. Screenreaders already announce img elements as images, so there is no need to include this information in the alt text.
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