Extract Cache class from AjaxCache

2 files changed, 23 insertions, 14 deletions

diff --git a/app/assets/javascripts/lib/utils/ajax_cache.js b/app/assets/javascripts/lib/utils/ajax_cache.js
index cf030d613df..f1fe95e12e8 100644
--- a/app/assets/javascripts/lib/utils/ajax_cache.js
+++ b/app/assets/javascripts/lib/utils/ajax_cache.js
@@ -1,21 +1,11 @@
-class AjaxCache {
+import Cache from './cache';
+
+class AjaxCache extends Cache {
   constructor() {
-    this.internalStorage = { };
+    super();
     this.pendingRequests = { };
   }
 
-  get(endpoint) {
-    return this.internalStorage[endpoint];
-  }
-
-  hasData(endpoint) {
-    return Object.prototype.hasOwnProperty.call(this.internalStorage, endpoint);
-  }
-
-  remove(endpoint) {
-    delete this.internalStorage[endpoint];
-  }
-
   retrieve(endpoint) {
     if (this.hasData(endpoint)) {
       return Promise.resolve(this.get(endpoint));
diff --git a/app/assets/javascripts/lib/utils/cache.js b/app/assets/javascripts/lib/utils/cache.js
new file mode 100644
index 00000000000..3141f1eeafc
--- /dev/null
+++ b/app/assets/javascripts/lib/utils/cache.js
@@ -0,0 +1,19 @@
+class Cache {
+  constructor() {
+    this.internalStorage = { };
+  }
+
+  get(key) {
+    return this.internalStorage[key];
+  }
+
+  hasData(key) {
+    return Object.prototype.hasOwnProperty.call(this.internalStorage, key);
+  }
+
+  remove(key) {
+    delete this.internalStorage[key];
+  }
+}
+
+export default Cache;