1 files changed, 61 insertions, 0 deletions
diff --git a/node_modules/es-abstract/2017/OrdinaryDefineOwnProperty.js b/node_modules/es-abstract/2017/OrdinaryDefineOwnProperty.js
new file mode 100644
index 000000000..59780b3bb
--- /dev/null
+++ b/node_modules/es-abstract/2017/OrdinaryDefineOwnProperty.js
@@ -0,0 +1,61 @@
+'use strict';
+
+var GetIntrinsic = require('../GetIntrinsic');
+
+var $gOPD = require('../helpers/getOwnPropertyDescriptor');
+var $SyntaxError = GetIntrinsic('%SyntaxError%');
+var $TypeError = GetIntrinsic('%TypeError%');
+
+var isPropertyDescriptor = require('../helpers/isPropertyDescriptor');
+
+var IsAccessorDescriptor = require('./IsAccessorDescriptor');
+var IsDataDescriptor = require('./IsDataDescriptor');
+var IsExtensible = require('./IsExtensible');
+var IsPropertyKey = require('./IsPropertyKey');
+var ToPropertyDescriptor = require('./ToPropertyDescriptor');
+var SameValue = require('./SameValue');
+var Type = require('./Type');
+var ValidateAndApplyPropertyDescriptor = require('./ValidateAndApplyPropertyDescriptor');
+
+// https://www.ecma-international.org/ecma-262/6.0/#sec-ordinarydefineownproperty
+
+module.exports = function OrdinaryDefineOwnProperty(O, P, Desc) {
+	if (Type(O) !== 'Object') {
+		throw new $TypeError('Assertion failed: O must be an Object');
+	}
+	if (!IsPropertyKey(P)) {
+		throw new $TypeError('Assertion failed: P must be a Property Key');
+	}
+	if (!isPropertyDescriptor({
+		Type: Type,
+		IsDataDescriptor: IsDataDescriptor,
+		IsAccessorDescriptor: IsAccessorDescriptor
+	}, Desc)) {
+		throw new $TypeError('Assertion failed: Desc must be a Property Descriptor');
+	}
+	if (!$gOPD) {
+		// ES3/IE 8 fallback
+		if (IsAccessorDescriptor(Desc)) {
+			throw new $SyntaxError('This environment does not support accessor property descriptors.');
+		}
+		var creatingNormalDataProperty = !(P in O)
+			&& Desc['[[Writable]]']
+			&& Desc['[[Enumerable]]']
+			&& Desc['[[Configurable]]']
+			&& '[[Value]]' in Desc;
+		var settingExistingDataProperty = (P in O)
+			&& (!('[[Configurable]]' in Desc) || Desc['[[Configurable]]'])
+			&& (!('[[Enumerable]]' in Desc) || Desc['[[Enumerable]]'])
+			&& (!('[[Writable]]' in Desc) || Desc['[[Writable]]'])
+			&& '[[Value]]' in Desc;
+		if (creatingNormalDataProperty || settingExistingDataProperty) {
+			O[P] = Desc['[[Value]]']; // eslint-disable-line no-param-reassign
+			return SameValue(O[P], Desc['[[Value]]']);
+		}
+		throw new $SyntaxError('This environment does not support defining non-writable, non-enumerable, or non-configurable properties');
+	}
+	var desc = $gOPD(O, P);
+	var current = desc && ToPropertyDescriptor(desc);
+	var extensible = IsExtensible(O);
+	return ValidateAndApplyPropertyDescriptor(O, P, extensible, Desc, current);
+};