1 files changed, 28 insertions, 0 deletions
diff --git a/node_modules/es-abstract/2016/GetPrototypeFromConstructor.js b/node_modules/es-abstract/2016/GetPrototypeFromConstructor.js
new file mode 100644
index 000000000..62da8fb5f
--- /dev/null
+++ b/node_modules/es-abstract/2016/GetPrototypeFromConstructor.js
@@ -0,0 +1,28 @@
+'use strict';
+
+var GetIntrinsic = require('../GetIntrinsic');
+
+var $Function = GetIntrinsic('%Function%');
+var $TypeError = GetIntrinsic('%TypeError%');
+
+var Get = require('./Get');
+var IsConstructor = require('./IsConstructor');
+var Type = require('./Type');
+
+// https://ecma-international.org/ecma-262/6.0/#sec-getprototypefromconstructor
+
+module.exports = function GetPrototypeFromConstructor(constructor, intrinsicDefaultProto) {
+	var intrinsic = GetIntrinsic(intrinsicDefaultProto); // throws if not a valid intrinsic
+	if (!IsConstructor(constructor)) {
+		throw new $TypeError('Assertion failed: `constructor` must be a constructor');
+	}
+	var proto = Get(constructor, 'prototype');
+	if (Type(proto) !== 'Object') {
+		if (!(constructor instanceof $Function)) {
+			// ignore other realms, for now
+			throw new $TypeError('cross-realm constructors not currently supported');
+		}
+		proto = intrinsic;
+	}
+	return proto;
+};