Method for peeking at the newest cache entry key

2017-10-07 10:04:19 -06:00
parent 10af59bfce
commit 177156c293
2 changed files with 33 additions and 0 deletions
--- a/src/ol/structs/lrucache.js
+++ b/src/ol/structs/lrucache.js
@@ -196,6 +196,15 @@ ol.structs.LRUCache.prototype.peekLastKey = function() {
 };


+/**
+ * Get the key of the newest item in the cache.  Throws if the cache is empty.
+ * @return {string} The newest key.
+ */
+ol.structs.LRUCache.prototype.peekFirstKey = function() {
+  return this.newest_.key_;
+};
+
+
 /**
 * @return {T} value Value.
 */