fix(store): reject wait sync if error occurs

Closes: #137

package.json

@@ -42,7 +42,7 @@
   },
   "dependencies": {
     "algoliasearch": "^3.18.1",
-    "algoliasearch-helper": "^2.14.0",
+    "algoliasearch-helper": "^2.21.1",
     "escape-html": "^1.0.3"
   },
   "peerDependencies": {

src/store.js

@@ -376,22 +376,24 @@ export class Store {
   }
 
   waitUntilInSync() {
-    return new Promise(resolve => {
+    return new Promise((resolve, reject) => {
       if (this._helper.hasPendingRequests() === false) {
         resolve();
         return;
       }
 
-      // Todo: we need to de-register the one that is not being triggered.
-      this._helper.once('searchQueueEmpty', () => {
+      const resolvePromise = () => {
+        this._helper.removeListener('error', rejectPromise);
         resolve();
-      });
-      this._helper.once('error', error => {
-        throw new Error(error.message);
-        // Todo: implement rejection once this has a solution
-        // https://github.com/algolia/algoliasearch-helper-js/issues/502
-        // reject(error);
-      });
+      };
+
+      const rejectPromise = error => {
+        this._helper.removeListener('searchQueueEmpty', resolvePromise);
+        reject(error);
+      };
+
+      this._helper.once('searchQueueEmpty', resolvePromise);
+      this._helper.once('error', rejectPromise);
     });
   }
 }

yarn.lock

@@ -66,13 +66,12 @@ ajv@^4.7.0, ajv@^4.9.1:
     co "^4.6.0"
     json-stable-stringify "^1.0.1"
 
-algoliasearch-helper@^2.14.0:
-  version "2.20.1"
-  resolved "https://registry.yarnpkg.com/algoliasearch-helper/-/algoliasearch-helper-2.20.1.tgz#140bfd5e9059f2982907c02a99634c647396a590"
+algoliasearch-helper@^2.21.1:
+  version "2.21.1"
+  resolved "https://registry.yarnpkg.com/algoliasearch-helper/-/algoliasearch-helper-2.21.1.tgz#577262ad3118e3ba00cd37ae19202878932da25d"
   dependencies:
     events "^1.1.0"
     lodash "^4.13.1"
-    marked "^0.3.5"
     qs "^6.2.1"
     util "^0.10.3"
 
@@ -3513,10 +3512,6 @@ map-obj@^1.0.0, map-obj@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/map-obj/-/map-obj-1.0.1.tgz#d933ceb9205d82bdcf4886f6742bdc2b4dea146d"
 
-marked@^0.3.5:
-  version "0.3.6"
-  resolved "https://registry.yarnpkg.com/marked/-/marked-0.3.6.tgz#b2c6c618fccece4ef86c4fc6cb8a7cbf5aeda8d7"
-
 meow@^3.3.0, meow@^3.7.0:
   version "3.7.0"
   resolved "https://registry.yarnpkg.com/meow/-/meow-3.7.0.tgz#72cb668b425228290abbfa856892587308a801fb"