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ESLint configuration

We like Airbnb styling conventions, and we try to follow them, with some exceptions.

Installation

Non-jsx projects:

$ npm install eslint eslint-plugin-import eslint-config-airbnb-base babel-eslint
$ curl -o .eslintrc.yml https://github.com/mikamai/dress-code/raw/master/eslint/js.eslintrc.yml
$ curl -O https://github.com/mikamai/dress-code/raw/master/eslint/.eslintignore

JSX projects:

$ npm install eslint eslint-plugin-import eslint-config-airbnb-base eslint-plugin-react eslint-plugin-jsx-a11y babel-eslint
$ curl -o .eslintrc.yml https://github.com/mikamai/dress-code/raw/master/eslint/jsx.eslintrc.yml
$ curl -O https://github.com/mikamai/dress-code/raw/master/eslint/.eslintignore

Customization

Remember to add an env property detailing your target env, so that eslint will not raise unexistent errors. For example, for a browser library, you would add:

env:
  browser: true

Tests

Tests may follow different rules, and usually it would be enough to just add some overrides. There are some cases (like with mocha and jest) when you also need to set a specific env (which cannot be set in overrides). In this case, define a new .eslintrc.yml file in your tests folder. It will inherit the file in the root folder by default. For example:

# tests/.eslintrc.yml
env:
  jest: true