eslint-plugin-pure-module

An Eslint plugin that will determine if an ES6 module is pure

Requirements

ESLint >= v5.10.0

Installation

You'll first need to install ESLint:

$ npm i eslint --save-dev

Next, install eslint-plugin-pure-module:

// not yet published on NPM
$ npm install eslint-plugin-pure-module --save-dev


// use 
npm install https://github.com/dejang/eslint-plugin-pure-module/tarball/master --save-dev

Note: If you installed ESLint globally (using the -g flag) then you must also install eslint-plugin-pure-module globally.

Usage

Add pure-module to the plugins section of your .eslintrc configuration file. You can omit the eslint-plugin- prefix:

{
    "parserOptions": {
        "ecmaVersion": 6,
        "sourceType": "module"
    },
    "plugins": [
        "pure-module"
    ],
    "rules": {
        "pure-module/no-export-imported": 2,
        "pure-module/no-undeclared-export": 2,
        "pure-module/no-closure-function": 2
    }
}

Supported Rules

• no-export-imported
• no-undeclared-export