1 files changed, 20 insertions, 0 deletions
diff --git a/node_modules/es-abstract/helpers/isSamePropertyDescriptor.js b/node_modules/es-abstract/helpers/isSamePropertyDescriptor.js
new file mode 100644
index 000000000..a6162a1d3
--- /dev/null
+++ b/node_modules/es-abstract/helpers/isSamePropertyDescriptor.js
@@ -0,0 +1,20 @@
+'use strict';
+
+var every = require('./every');
+
+module.exports = function isSamePropertyDescriptor(ES, D1, D2) {
+	var fields = [
+		'[[Configurable]]',
+		'[[Enumerable]]',
+		'[[Get]]',
+		'[[Set]]',
+		'[[Value]]',
+		'[[Writable]]'
+	];
+	return every(fields, function (field) {
+		if ((field in D1) !== (field in D2)) {
+			return false;
+		}
+		return ES.SameValue(D1[field], D2[field]);
+	});
+};