mirror of
https://github.com/JasonYANG170/IOTConnect-Web.git
synced 2024-11-23 20:26:28 +00:00
13 lines
390 B
JavaScript
13 lines
390 B
JavaScript
|
'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) || (x === Global.prototype))) ||
|
||
|
|
(toString.call(x) === id) || (x[toStringTagSymbol] === 'Map'))) || false;
|
||
|
|
};
|