node/tools/eslint/node_modules/es6-map/is-native-implemented.js
Michaël Zasso 2d441493a4 tools: update eslint to v1.10.3
PR-URL: https://github.com/nodejs/io.js/pull/2286
Reviewed-By: Roman Reiss <me@silverwind.io>
2016-01-13 23:15:39 +01:00

10 lines
263 B
JavaScript

// Exports true if environment provides native `Map` implementation,
// whatever that is.
'use strict';
module.exports = (function () {
if (typeof Map === 'undefined') return false;
return (Object.prototype.toString.call(new Map()) === '[object Map]');
}());