#is-arrow-function ^{[![Version Badge][npm-version-svg]][npm-url]} [![Build Status][travis-svg]][travis-url] [![dependency status][deps-svg]][deps-url] [![dev dependency status][dev-deps-svg]][dev-deps-url] [![npm badge][npm-badge-png]][npm-url] [![browser support][testling-png]][testling-url] npm module to determine if a function is an ES6 arrow function or not. NOTE: Only works in Firefox at the moment. ## Example ```js 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` [npm-url]: https://npmjs.org/package/is-arrow-function [npm-version-svg]: http://versionbadg.es/ljharb/is-arrow-function.svg [travis-svg]: https://travis-ci.org/ljharb/is-arrow-function.svg [travis-url]: https://travis-ci.org/ljharb/is-arrow-function [deps-svg]: https://david-dm.org/ljharb/is-arrow-function.svg [deps-url]: https://david-dm.org/ljharb/is-arrow-function [dev-deps-svg]: https://david-dm.org/ljharb/is-arrow-function/dev-status.svg [dev-deps-url]: https://david-dm.org/ljharb/is-arrow-function#info=devDependencies [testling-png]: https://ci.testling.com/ljharb/is-arrow-function.png [testling-url]: https://ci.testling.com/ljharb/is-arrow-function [npm-badge-png]: https://nodei.co/npm/is-arrow-function.png?downloads=true&stars=true