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Determine if a function is an ES6 arrow function or not.

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inspect-js/is-arrow-function

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is-arrow-function Version Badge

dependency status dev dependency status

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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