1 files changed, 50 insertions, 0 deletions
diff --git a/node_modules/es-abstract/2018/DefinePropertyOrThrow.js b/node_modules/es-abstract/2018/DefinePropertyOrThrow.js
new file mode 100644
index 000000000..7977f6e18
--- /dev/null
+++ b/node_modules/es-abstract/2018/DefinePropertyOrThrow.js
@@ -0,0 +1,50 @@
+'use strict';
+
+var GetIntrinsic = require('../GetIntrinsic');
+
+var $TypeError = GetIntrinsic('%TypeError%');
+
+var isPropertyDescriptor = require('../helpers/isPropertyDescriptor');
+var DefineOwnProperty = require('../helpers/DefineOwnProperty');
+
+var FromPropertyDescriptor = require('./FromPropertyDescriptor');
+var IsAccessorDescriptor = require('./IsAccessorDescriptor');
+var IsDataDescriptor = require('./IsDataDescriptor');
+var IsPropertyKey = require('./IsPropertyKey');
+var SameValue = require('./SameValue');
+var ToPropertyDescriptor = require('./ToPropertyDescriptor');
+var Type = require('./Type');
+
+// https://www.ecma-international.org/ecma-262/6.0/#sec-definepropertyorthrow
+
+module.exports = function DefinePropertyOrThrow(O, P, desc) {
+	if (Type(O) !== 'Object') {
+		throw new $TypeError('Assertion failed: Type(O) is not Object');
+	}
+
+	if (!IsPropertyKey(P)) {
+		throw new $TypeError('Assertion failed: IsPropertyKey(P) is not true');
+	}
+
+	var Desc = isPropertyDescriptor({
+		Type: Type,
+		IsDataDescriptor: IsDataDescriptor,
+		IsAccessorDescriptor: IsAccessorDescriptor
+	}, desc) ? desc : ToPropertyDescriptor(desc);
+	if (!isPropertyDescriptor({
+		Type: Type,
+		IsDataDescriptor: IsDataDescriptor,
+		IsAccessorDescriptor: IsAccessorDescriptor
+	}, Desc)) {
+		throw new $TypeError('Assertion failed: Desc is not a valid Property Descriptor');
+	}
+
+	return DefineOwnProperty(
+		IsDataDescriptor,
+		SameValue,
+		FromPropertyDescriptor,
+		O,
+		P,
+		Desc
+	);
+};