| 1234567891011121314151617181920 | 'use strict';var isCallable = require('../internals/is-callable');var isObject = require('../internals/is-object');var definePropertyModule = require('../internals/object-define-property');var isPrototypeOf = require('../internals/object-is-prototype-of');var wellKnownSymbol = require('../internals/well-known-symbol');var makeBuiltIn = require('../internals/make-built-in');var HAS_INSTANCE = wellKnownSymbol('hasInstance');var FunctionPrototype = Function.prototype;// `Function.prototype[@@hasInstance]` method// https://tc39.es/ecma262/#sec-function.prototype-@@hasinstanceif (!(HAS_INSTANCE in FunctionPrototype)) {  definePropertyModule.f(FunctionPrototype, HAS_INSTANCE, { value: makeBuiltIn(function (O) {    if (!isCallable(this) || !isObject(O)) return false;    var P = this.prototype;    return isObject(P) ? isPrototypeOf(P, O) : O instanceof this;  }, HAS_INSTANCE) });}
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