first commit

app/utils/no_cache.js

@@ -0,0 +1,49 @@
+'use strict';
+
+/**
+ * This module provides an object with the interface of an LRU cache
+ * but that actually does not store anything.
+ *
+ * See https://github.com/isaacs/node-lru-cache/tree/v2.5.0
+ */
+
+function NoCache() {
+}
+
+module.exports = NoCache;
+
+NoCache.prototype.set = function (/* key, value */) {
+    return true;
+};
+
+NoCache.prototype.get = function (/* key */) {
+    return undefined;
+};
+
+NoCache.prototype.peek = function (/* key */) {
+    return undefined;
+};
+
+NoCache.prototype.del = function (/* key */) {
+    return undefined;
+};
+
+NoCache.prototype.reset = function () {
+    return undefined;
+};
+
+NoCache.prototype.has = function (/* key */) {
+    return false;
+};
+
+NoCache.prototype.forEach = function (/* fn, thisp */) {
+    return undefined;
+};
+
+NoCache.prototype.keys = function () {
+    return [];
+};
+
+NoCache.prototype.values = function () {
+    return [];
+};