Commit

1 files changed, 44 insertions, 0 deletions

diff --git a/src/node_modules/es-abstract/2018/OrdinaryGetOwnProperty.js b/src/node_modules/es-abstract/2018/OrdinaryGetOwnProperty.js
new file mode 100644
index 0000000..b9882e5
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+++ b/src/node_modules/es-abstract/2018/OrdinaryGetOwnProperty.js
@@ -0,0 +1,44 @@
+'use strict';
+
+var GetIntrinsic = require('../GetIntrinsic');
+
+var $gOPD = require('../helpers/getOwnPropertyDescriptor');
+var $TypeError = GetIntrinsic('%TypeError%');
+
+var callBound = require('../helpers/callBound');
+
+var $isEnumerable = callBound('Object.prototype.propertyIsEnumerable');
+
+var has = require('has');
+
+var IsArray = require('./IsArray');
+var IsPropertyKey = require('./IsPropertyKey');
+var IsRegExp = require('./IsRegExp');
+var ToPropertyDescriptor = require('./ToPropertyDescriptor');
+var Type = require('./Type');
+
+// https://www.ecma-international.org/ecma-262/6.0/#sec-ordinarygetownproperty
+
+module.exports = function OrdinaryGetOwnProperty(O, P) {
+	if (Type(O) !== 'Object') {
+		throw new $TypeError('Assertion failed: O must be an Object');
+	}
+	if (!IsPropertyKey(P)) {
+		throw new $TypeError('Assertion failed: P must be a Property Key');
+	}
+	if (!has(O, P)) {
+		return void 0;
+	}
+	if (!$gOPD) {
+		// ES3 / IE 8 fallback
+		var arrayLength = IsArray(O) && P === 'length';
+		var regexLastIndex = IsRegExp(O) && P === 'lastIndex';
+		return {
+			'[[Configurable]]': !(arrayLength || regexLastIndex),
+			'[[Enumerable]]': $isEnumerable(O, P),
+			'[[Value]]': O[P],
+			'[[Writable]]': true
+		};
+	}
+	return ToPropertyDescriptor($gOPD(O, P));
+};