first commit

2026-09-23 17:31:02 +05:30
commit 69b4e68baf
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+'use strict';
+
+var $TypeError = require('es-errors/type');
+var isObject = require('es-object-atoms/isObject');
+
+var Get = require('./Get');
+var IsCallable = require('./IsCallable');
+
+// https://262.ecma-international.org/6.0/#sec-ordinaryhasinstance
+
+module.exports = function OrdinaryHasInstance(C, O) {
+	if (!IsCallable(C)) {
+		return false;
+	}
+	if (!isObject(O)) {
+		return false;
+	}
+	var P = Get(C, 'prototype');
+	if (!isObject(P)) {
+		throw new $TypeError('OrdinaryHasInstance called on an object with an invalid prototype property.');
+	}
+	return O instanceof C;
+};