1 files changed, 45 insertions, 0 deletions
diff --git a/src/js/SessionStorage.js b/src/js/SessionStorage.js
new file mode 100644
index 00000000..b25f395e
--- /dev/null
+++ b/src/js/SessionStorage.js
@@ -0,0 +1,45 @@
+'use strict';
+
+const SessionStorage = {
+    // key can be one string, or array of strings
+    get: function(key) {
+        let result = {};
+        if (Array.isArray(key)) {
+            key.forEach(function (element) {
+                try {
+                    result = {...result, ...JSON.parse(sessionStorage.getItem(element))};
+                } catch (e) {
+                    console.error(e);
+                }
+            });
+        } else {
+            const keyValue = sessionStorage.getItem(key);
+            if (keyValue) {
+                try {
+                    result = JSON.parse(keyValue);
+                } catch (e) {
+                    console.error(e);
+                }
+            }
+        }
+
+        return result;
+    },
+    set: function(input) {
+        Object.keys(input).forEach(function (element) {
+            const tmpObj = {};
+            tmpObj[element] = input[element];
+            try {
+                sessionStorage.setItem(element, JSON.stringify(tmpObj));
+            } catch (e) {
+                console.error(e);
+            }
+        });
+    },
+    remove: function(item) {
+        sessionStorage.removeItem(item);
+    },
+    clear: function() {
+        sessionStorage.clear();
+    },
+};