ES2015 first look / babeljs

dev/Common/ClientStorageDriver/LocalStorage.jsx

@@ -0,0 +1,69 @@
+
+import {window, JSON} from 'common';
+import Utils from 'Common/Utils';
+import {CLIENT_SIDE_STORAGE_INDEX_NAME} from 'Common/Consts';
+
+class LocalStorageDriver
+{
+	/**
+	 * @param {string} key
+	 * @param {*} data
+	 * @return {boolean}
+	 */
+	set(key, data) {
+
+		let
+			result = false,
+			storageResult = null
+		;
+
+		try
+		{
+			const storageValue = window.localStorage[CLIENT_SIDE_STORAGE_INDEX_NAME] || null;
+			storageResult = null === storageValue ? null : JSON.parse(storageValue);
+		}
+		catch (e) {}
+
+		(storageResult || (storageResult = {}))[key] = data;
+
+		try
+		{
+			window.localStorage[CLIENT_SIDE_STORAGE_INDEX_NAME] = JSON.stringify(storageResult);
+			result = true;
+		}
+		catch (e) {}
+
+		return result;
+	}
+
+	/**
+	 * @param {string} key
+	 * @return {*}
+	 */
+	get(key) {
+		
+		let result = null;
+		
+		try
+		{
+			const 
+				storageValue = window.localStorage[CLIENT_SIDE_STORAGE_INDEX_NAME] || null,
+				storageResult = null === storageValue ? null : JSON.parse(storageValue)
+			;
+
+			result = (storageResult && !Utils.isUnd(storageResult[key])) ? storageResult[key] : null
+		}
+		catch (e) {}
+
+		return result;
+	}
+
+	/**
+	 * @return {boolean}
+	 */
+	static supported() {
+		return !!window.localStorage;
+	}
+}
+
+export {LocalStorageDriver, LocalStorageDriver as default};