1 files changed, 29 insertions, 0 deletions
diff --git a/js/ArticleCache.js b/js/ArticleCache.js
new file mode 100644
index 000000000..ce34d00d9
--- /dev/null
+++ b/js/ArticleCache.js
@@ -0,0 +1,29 @@
+'use strict'
+/* global __, ngettext */
+define(["dojo/_base/declare"], function (declare) {
+	ArticleCache = {
+		has_storage: 'sessionStorage' in window && window['sessionStorage'] !== null,
+		set: function (id, obj) {
+			if (this.has_storage)
+				try {
+					sessionStorage["article:" + id] = obj;
+				} catch (e) {
+					sessionStorage.clear();
+				}
+		},
+		get: function (id) {
+			if (this.has_storage)
+				return sessionStorage["article:" + id];
+		},
+		clear: function () {
+			if (this.has_storage)
+				sessionStorage.clear();
+		},
+		del: function (id) {
+			if (this.has_storage)
+				sessionStorage.removeItem("article:" + id);
+		},
+	}
+
+	return ArticleCache;
+});