Commit

1 files changed, 43 insertions, 0 deletions

diff --git a/src/node_modules/es-abstract/2019/EnumerableOwnPropertyNames.js b/src/node_modules/es-abstract/2019/EnumerableOwnPropertyNames.js
new file mode 100644
index 0000000..e2ed722
--- /dev/null
+++ b/src/node_modules/es-abstract/2019/EnumerableOwnPropertyNames.js
@@ -0,0 +1,43 @@
+'use strict';
+
+var GetIntrinsic = require('../GetIntrinsic');
+
+var $TypeError = GetIntrinsic('%TypeError%');
+
+var objectKeys = require('object-keys');
+
+var callBound = require('../helpers/callBound');
+
+var callBind = require('../helpers/callBind');
+
+var $isEnumerable = callBound('Object.prototype.propertyIsEnumerable');
+var $pushApply = callBind.apply(GetIntrinsic('%Array.prototype.push%'));
+
+var forEach = require('../helpers/forEach');
+
+var Type = require('./Type');
+
+// https://www.ecma-international.org/ecma-262/8.0/#sec-enumerableownproperties
+
+module.exports = function EnumerableOwnProperties(O, kind) {
+	if (Type(O) !== 'Object') {
+		throw new $TypeError('Assertion failed: Type(O) is not Object');
+	}
+
+	var keys = objectKeys(O);
+	if (kind === 'key') {
+		return keys;
+	}
+	if (kind === 'value' || kind === 'key+value') {
+		var results = [];
+		forEach(keys, function (key) {
+			if ($isEnumerable(O, key)) {
+				$pushApply(results, [
+					kind === 'value' ? O[key] : [key, O[key]]
+				]);
+			}
+		});
+		return results;
+	}
+	throw new $TypeError('Assertion failed: "kind" is not "key", "value", or "key+value": ' + kind);
+};