Setting up Vim for React.js

Original blog: https://jaxbot.me/articles/setting-up-vim-for-react-js-jsx-02-03-2015

React.js is gaining a lot of traction lately,but developing with its inline-XML-in-JS requires a few tweaks to Vim for a smooth experience.

Syntax highlighting

To get the syntax highlighting to look right,use mxw’s Vim JSX highlighting.

If you use Vundle,add:

Plugin 'mxw/vim-jsx'

Other plugin loaders,see the GitHub page.

If you use JSX syntax in .js files,which is now becoming standard,add:

let g:jsx_ext_required = 0 " Allow JSX in normal JS files

to your vimrc.

Syntax checking

If you use Syntastic,you’ll notice immediate errors wherever XML nodes appear,which is to be expected. Here’s a work around.

Update 3/30/15: I’ve added instructions on using ESLint instead of the old wrapper package.

Install eslint,babel-eslint (for ES6 support),and eslint-plugin-react:

npm install -g eslint
npm install -g babel-eslint
npm install -g eslint-plugin-react

Create a config like this in your project’s .eslintrc,or do so globally by placing it in ~/.eslintrc:

{
    "parser": "babel-eslint","env": { "browser": true,"node": true },"settings": { "ecmascript": 6,"jsx": true },"plugins": [ "react" ],"rules": { "strict": 0,"quotes": 0,"no-unused-vars": 0,"camelcase": 0,"no-underscore-dangle": 0 } }

Finally,configure Syntastic to use ESLint:

let g:syntastic_javascript_checkers = ['eslint']

You should be good to go,and JSX with ES6 features will syntax check correctly! See this issue for more info.