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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
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+'use strict';
+
+var GetIntrinsic = require('../GetIntrinsic');
+
+var $TypeError = GetIntrinsic('%TypeError%');
+
+var Get = require('./Get');
+var IsCallable = require('./IsCallable');
+var Type = require('./Type');
+
+// https://www.ecma-international.org/ecma-262/6.0/#sec-ordinaryhasinstance
+
+module.exports = function OrdinaryHasInstance(C, O) {
+ if (IsCallable(C) === false) {
+ return false;
+ }
+ if (Type(O) !== 'Object') {
+ return false;
+ }
+ var P = Get(C, 'prototype');
+ if (Type(P) !== 'Object') {
+ throw new $TypeError('OrdinaryHasInstance called on an object with an invalid prototype property.');
+ }
+ return O instanceof C;
+};