is-arrow-function

2.0.3

@ljharb

npm Home Repo Snyk Socket

Downloads:25025

Package Manager

Package Location

Remove

Workplace

$ npm install is-arrow-function

Daily Weekly Monthly Yearly

#is-arrow-function

npm module to determine if a function is an ES6 arrow function or not.

NOTE: Only works in Firefox at the moment.

Example

var isArrowFunction = require('is-arrow-function');
assert(!isArrowFunction(function () {}));
assert(!isArrowFunction(null));
assert(isArrowFunction((a, b) => a * b));
assert(isArrowFunction(() => 42));
assert(isArrowFunction(x => x * x));
assert(isArrowFunction(x => () => x * x));

Tests

Simply clone the repo, npm install, and run npm test