eslint-plugin-newline-before-paren

ESLint rule to disallow newlines before parenthesis on single lines.

Installation

After having installed ESLint, install the rule:

$ npm install eslint-plugin-newline-before-paren --save-dev

Configuration

Add newline-before-paren to your .eslintrc:

{
  "plugins": [
    "newline-before-paren"
  ],
  "rules": {
    "newline-before-paren/newline-before-paren": 2
  }
}

Fail

const result = someArray.map((item) => item.prop
);

Pass

const result = someArray.map((item) => item.prop);