twreporter-react
Version:
React-Redux site for The Reporter Foundation in Taiwan
30 lines (26 loc) • 611 B
JavaScript
import getTag from './_getTag.js';
import isObjectLike from './isObjectLike.js';
/** `Object#toString` result references. */
var mapTag = '[object Map]';
/**
* Checks if `value` is classified as a `Map` object.
*
* @static
* @memberOf _
* @since 4.3.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is correctly classified,
* else `false`.
* @example
*
* _.isMap(new Map);
* // => true
*
* _.isMap(new WeakMap);
* // => false
*/
function isMap(value) {
return isObjectLike(value) && getTag(value) == mapTag;
}
export default isMap;