fix : Changed to work only in browser(storageKey)

README.md

@@ -247,7 +247,7 @@ The component accepts the following props:
 |**`tableBodyMaxHeight`**|string||CSS string for the height of the table (ex: '500px', '100%', 'auto').
 |**`textLabels`**|object||User provided labels to localize text.
 |**`viewColumns`**|boolean or string|true|Show/hide viewColumns icon from toolbar. Possible values:<p><ul><li>true: Button is visiable and clickable.</li><li>false: Button is not visible.</li><li>disabled: Button is visible, but not clickable.</li></ul></p>
-|**`storageKey`**|string|| save current state to local storage.
+|**`storageKey`**|string|| save current state to local storage(Only browser).
 
 ## Customize Columns
 

src/localStorage/load.js

@@ -1 +1,10 @@
-export const load = storageKey => JSON.parse(window.localStorage.getItem(storageKey));
+const isBrowser = typeof window !== 'undefined' && typeof window.document !== 'undefined';
+
+export const load = storageKey => {
+  if (isBrowser) {
+    return JSON.parse(window.localStorage.getItem(storageKey));
+  } else if (storageKey !== undefined) {
+    console.warn('storageKey support only on browser');
+    return undefined;
+  }
+};