local-store - check for error from extension.runtime

app/scripts/lib/local-store.js

@@ -10,9 +10,6 @@ module.exports = class ExtensionStore {
     if (!this.isSupported) {
       log.error('Storage local API not available.')
     }
-    const local = extension.storage.local
-    this._get = function() { return new Promise((resolve) => local.get(resolve)) }
-    this._set = function(state) { return new Promise((resolve) => local.set(state, resolve)) }
   }
 
   async get() {
@@ -30,6 +27,34 @@ module.exports = class ExtensionStore {
   async set(state) {
     return this._set(state)
   }
+
+  function _get() {
+    const local = extension.storage.local
+    return new Promise((resolve, reject) => {
+      local.get(null, (result) => {
+        const err = extension.runtime.lastError
+        if (err) {
+          reject(err)
+        } else {
+          resolve(result)
+        }
+      })
+    })
+  }
+
+  function _set(obj) {
+    const local = extension.storage.local
+    return new Promise((resolve, reject) => {
+      local.set(obj, () => {
+        const err = extension.runtime.lastError
+        if (err) {
+          reject(err)
+        } else {
+          resolve()
+        }
+      })
+    })
+  }
 }
 
 function isEmpty(obj) {