Contents

'use strict';

var toStringTagSymbol = require('es6-symbol').toStringTag

  , toString = Object.prototype.toString
  , id = '[object Map]'
  , Global = (typeof Map === 'undefined') ? null : Map;

module.exports = function (x) {
	return (x && ((Global && (x instanceof Global)) ||
			(toString.call(x) === id) || (x[toStringTagSymbol] === 'Map'))) || false;
};

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
eslint_node_modules-1.6.0.1	vendor/node_modules/eslint/node_modules/escope/node_modules/es6-map/is-map.js
eslint_node_modules-1.6.0	vendor/node_modules/eslint/node_modules/escope/node_modules/es6-map/is-map.js