1 files changed, 35 insertions, 0 deletions
diff --git a/packages/website/ts/local_storage/local_storage.ts b/packages/website/ts/local_storage/local_storage.ts
new file mode 100644
index 000000000..d94e6877b
--- /dev/null
+++ b/packages/website/ts/local_storage/local_storage.ts
@@ -0,0 +1,35 @@
+import * as _ from 'lodash';
+
+export const localStorage = {
+    doesExist() {
+        return !!window.localStorage;
+    },
+    getItemIfExists(key: string): string {
+        if (!this.doesExist) {
+            return undefined;
+        }
+        const item = window.localStorage.getItem(key);
+        if (_.isNull(item) || item === 'undefined') {
+            return '';
+        }
+        return item;
+    },
+    setItem(key: string, value: string) {
+        if (!this.doesExist || _.isUndefined(value)) {
+            return;
+        }
+        window.localStorage.setItem(key, value);
+    },
+    removeItem(key: string) {
+        if (!this.doesExist) {
+            return;
+        }
+        window.localStorage.removeItem(key);
+    },
+    getAllKeys(): string[] {
+        if (!this.doesExist) {
+            return [];
+        }
+        return _.keys(window.localStorage);
+    },
+};