From 76e09c75127d86f4d32cb7fb31ffefc3fc021997 Mon Sep 17 00:00:00 2001
From: Shin'ya Ueoka <ueokande@i-beam.org>
Date: Sun, 6 May 2018 22:00:23 +0900
Subject: [PATCH] Get completion items as Promises

---
 src/background/shared/completions/index.js | 27 +++++++++++++++-------
 1 file changed, 19 insertions(+), 8 deletions(-)

diff --git a/src/background/shared/completions/index.js b/src/background/shared/completions/index.js
index 73b7b27..5bfdbfb 100644
--- a/src/background/shared/completions/index.js
+++ b/src/background/shared/completions/index.js
@@ -1,22 +1,33 @@
 import * as tabs from './tabs';
 import * as histories from './histories';
 
-const getOpenCompletions = (command, keywords, searchConfig) => {
+const getSearchCompletions = (command, keywords, searchConfig) => {
+  let engineNames = Object.keys(searchConfig.engines);
+  let engineItems = engineNames.filter(name => name.startsWith(keywords))
+    .map(name => ({
+      caption: name,
+      content: command + ' ' + name
+    }));
+  return Promise.resolve(engineItems);
+};
+
+const getHistoryCompletions = (command, keywords) => {
   return histories.getCompletions(keywords).then((pages) => {
-    let historyItems = pages.map((page) => {
+    return pages.map((page) => {
       return {
         caption: page.title,
         content: command + ' ' + page.url,
         url: page.url
       };
     });
-    let engineNames = Object.keys(searchConfig.engines);
-    let engineItems = engineNames.filter(name => name.startsWith(keywords))
-      .map(name => ({
-        caption: name,
-        content: command + ' ' + name
-      }));
+  });
+};
 
+const getOpenCompletions = (command, keywords, searchConfig) => {
+  return Promise.all([
+    getSearchCompletions(command, keywords, searchConfig),
+    getHistoryCompletions(command, keywords),
+  ]).then(([engineItems, historyItems]) => {
     let completions = [];
     if (engineItems.length > 0) {
       completions.push({