load default settings

src/actions/setting.js

@@ -1,9 +1,13 @@
 import actions from '../actions';
 import messages from '../content/messages';
+import DefaultSettings from '../shared/default-settings';
 
 const load = () => {
   return browser.storage.local.get('settings').then((value) => {
-    return set(value.settings);
+    if (value.settings) {
+      return set(value.settings);
+    }
+    return set(DefaultSettings);
   }, console.error);
 };
 

src/background/index.js

@@ -6,6 +6,7 @@ import * as consoleActions from '../actions/console';
 import * as tabActions from '../actions/tab';
 import reducers from '../reducers';
 import messages from '../content/messages';
+import DefaultSettings from '../shared/default-settings';
 import * as store from '../store';
 
 let prevInput = [];
@@ -58,7 +59,12 @@ const keyQueueChanged = (state, sender) => {
 
 const reloadSettings = () => {
   browser.storage.local.get('settings').then((value) => {
-    let settings = JSON.parse(value.settings.json);
+    let settings = null;
+    if (value.settings) {
+      settings = JSON.parse(value.settings.json);
+    } else {
+      settings = JSON.parse(DefaultSettings.json);
+    }
     let action = inputActions.setKeymaps(settings.keymaps);
     backgroundStore.dispatch(action);
   }, console.error);

src/shared/default-settings.js

@@ -1,4 +1,5 @@
-export default `{
+export default {
+  json: `{
   "keymaps": {
     "0": { "type": "scroll.home" },
     ":": { "type": "command.show" },
@@ -36,4 +37,5 @@ export default `{
     "gu": { "type": "navigate.parent" },
     "gU": { "type": "navigate.root" }
   }
-}`;
+}`
+};