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478 BJavaScriptView Raw
1/** Used for built-in method references. */
2var objectProto = Object.prototype;
3
4/**
5 * Checks if `value` is likely a prototype object.
6 *
7 * @private
8 * @param {*} value The value to check.
9 * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
10 */
11function isPrototype(value) {
12 var Ctor = value && value.constructor,
13 proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;
14
15 return value === proto;
16}
17
18export default isPrototype;