1 files changed, 13 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/array/#/diff.js b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/array/#/diff.js
new file mode 100644
index 0000000000..a1f95419d4
--- /dev/null
+++ b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/array/#/diff.js
@@ -0,0 +1,13 @@
+'use strict';
+
+var value    = require('../../object/valid-value')
+  , contains = require('./contains')
+
+  , filter = Array.prototype.filter;
+
+module.exports = function (other) {
+	(value(this) && value(other));
+	return filter.call(this, function (item) {
+		return !contains.call(other, item);
+	});
+};