Use async/await on background

src/background/actions/command.js

@@ -5,56 +5,63 @@ import * as bookmarks from '../shared/bookmarks';
 import * as parsers from 'shared/commands/parsers';
 import * as properties from 'shared/settings/properties';
 
-const openCommand = (url) => {
+const openCommand = async(url) => {
-  return browser.tabs.query({
+  let got = await browser.tabs.query({
     active: true, currentWindow: true
-  }).then((gotTabs) => {
-    if (gotTabs.length > 0) {
-      return browser.tabs.update(gotTabs[0].id, { url: url });
-    }
   });
+  if (got.length > 0) {
+    return browser.tabs.update(got[0].id, { url: url });
+  }
 };
 
 const tabopenCommand = (url) => {
   return browser.tabs.create({ url: url });
 };
 
-const tabcloseCommand = () => {
+const tabcloseCommand = async() => {
-  return browser.tabs.query({
+  let got = await browser.tabs.query({
     active: true, currentWindow: true
-  }).then((tabList) => {
-    return browser.tabs.remove(tabList.map(tab => tab.id));
   });
+  return browser.tabs.remove(got.map(tab => tab.id));
 };
 
 const winopenCommand = (url) => {
   return browser.windows.create({ url });
 };
 
-const bufferCommand = (keywords) => {
+const bufferCommand = async(keywords) => {
   if (keywords.length === 0) {
     return Promise.resolve([]);
   }
   let keywordsStr = keywords.join(' ');
-  return browser.tabs.query({
+  let got = await browser.tabs.query({
     active: true, currentWindow: true
-  }).then((gotTabs) => {
+  });
-    if (gotTabs.length > 0) {
+  if (got.length === 0) {
+    return;
+  }
   if (isNaN(keywordsStr)) {
-        return tabs.selectByKeyword(gotTabs[0], keywordsStr);
+    return tabs.selectByKeyword(got[0], keywordsStr);
   }
   let index = parseInt(keywordsStr, 10) - 1;
   return tabs.selectAt(index);
-    }
-  });
 };
 
-const addBookmarkCommand = (tab, args) => {
+const addbookmarkCommand = async(tab, args) => {
   if (!args[0]) {
-    return Promise.resolve();
+    return;
   }
-
+  let item = await bookmarks.create(args.join(' '), tab.url);
-  return bookmarks.create(args.join(' '), tab.url);
+  if (!item) {
+    return browser.tabs.sendMessage(tab.id, {
+      type: messages.CONSOLE_SHOW_ERROR,
+      text: 'Could not create a bookmark',
+    });
+  }
+  return browser.tabs.sendMessage(tab.id, {
+    type: messages.CONSOLE_SHOW_INFO,
+    text: 'Saved current page: ' + item.url,
+  });
 };
 
 const setCommand = (args) => {
@@ -100,18 +107,7 @@ const exec = (tab, line, settings) => {
   case 'bdeletes!':
     return tabs.closeTabsByKeywordsForce(args.join(' '));
   case 'addbookmark':
-    return addBookmarkCommand(tab, args).then((item) => {
+    return addbookmarkCommand(tab, args);
-      if (!item) {
-        return browser.tabs.sendMessage(tab.id, {
-          type: messages.CONSOLE_SHOW_ERROR,
-          text: 'Could not create a bookmark',
-        });
-      }
-      return browser.tabs.sendMessage(tab.id, {
-        type: messages.CONSOLE_SHOW_INFO,
-        text: 'Saved current page: ' + item.url,
-      });
-    });
   case 'set':
     return setCommand(args);
   case 'q':

src/background/actions/setting.js

@@ -1,13 +1,12 @@
 import actions from '../actions';
 import * as settingsStorage from 'shared/settings/storage';
 
-const load = () => {
+const load = async() => {
-  return settingsStorage.loadValue().then((value) => {
+  let value = await settingsStorage.loadValue();
   return {
     type: actions.SETTING_SET_SETTINGS,
     value,
   };
-  });
 };
 
 const setProperty = (name, value) => {

src/background/actions/tab.js

@@ -1,19 +1,20 @@
 import actions from './index';
 
-const openNewTab = (url, openerTabId, background = false, adjacent = false) => {
+const openNewTab = async(
-  if (adjacent) {
+  url, openerTabId, background = false, adjacent = false
-    return browser.tabs.query({
+) => {
+  if (!adjacent) {
+    return browser.tabs.create({ url, active: !background });
+  }
+  let tabs = await browser.tabs.query({
     active: true, currentWindow: true
-    }).then((tabs) => {
+  });
   return browser.tabs.create({
     url,
     openerTabId,
     active: !background,
     index: tabs[0].index + 1
   });
-    });
-  }
-  return browser.tabs.create({ url, active: !background });
 };
 
 const openToTab = (url, tab) => {

src/background/components/background.js

@@ -56,13 +56,12 @@ export default class BackgroundComponent {
     }
   }
 
-  broadcastSettingsChanged() {
+  async broadcastSettingsChanged() {
-    return browser.tabs.query({}).then((tabs) => {
+    let tabs = await browser.tabs.query({});
     for (let tab of tabs) {
       browser.tabs.sendMessage(tab.id, {
         type: messages.SETTINGS_CHANGED,
       });
     }
-    });
   }
 }

src/background/components/indicator.js

@@ -8,19 +8,17 @@ export default class IndicatorComponent {
     messages.onMessage(this.onMessage.bind(this));
 
     browser.browserAction.onClicked.addListener(this.onClicked);
-    browser.tabs.onActivated.addListener((info) => {
+    browser.tabs.onActivated.addListener(async(info) => {
-      return browser.tabs.query({ currentWindow: true }).then(() => {
+      await browser.tabs.query({ currentWindow: true });
       return this.onTabActivated(info);
     });
-    });
   }
 
-  onTabActivated(info) {
+  async onTabActivated(info) {
-    return browser.tabs.sendMessage(info.tabId, {
+    let { enabled } = await browser.tabs.sendMessage(info.tabId, {
       type: messages.ADDON_ENABLED_QUERY,
-    }).then((resp) => {
-      return this.updateIndicator(resp.enabled);
     });
+    return this.updateIndicator(enabled);
   }
 
   onClicked(tab) {

src/background/components/tab.js

@@ -4,11 +4,10 @@ export default class TabComponent {
   constructor(store) {
     this.store = store;
 
-    browser.tabs.onActivated.addListener((info) => {
+    browser.tabs.onActivated.addListener(async(info) => {
-      return browser.tabs.query({ currentWindow: true }).then(() => {
+      await browser.tabs.query({ currentWindow: true });
       return this.onTabActivated(info);
     });
-    });
   }
 
   onTabActivated(info) {

src/background/index.js

@@ -18,6 +18,15 @@ const store = createStore(reducers, (e, sender) => {
   }
 });
 
+const checkAndNotifyUpdated = async() => {
+  let updated = await versions.checkUpdated();
+  if (!updated) {
+    return;
+  }
+  await versions.notify();
+  await versions.commit();
+};
+
 /* eslint-disable no-unused-vars */
 const backgroundComponent = new BackgroundComponent(store);
 const operationComponent = new OperationComponent(store);
@@ -27,11 +36,4 @@ const indicatorComponent = new IndicatorComponent(store);
 
 store.dispatch(settingActions.load());
 
-versions.checkUpdated().then((updated) => {
+checkAndNotifyUpdated();
-  if (!updated) {
-    return;
-  }
-  return versions.notify();
-}).then(() => {
-  return versions.commit();
-});

src/background/shared/completions/bookmarks.js

@@ -1,5 +1,5 @@
-const getCompletions = (keywords) => {
+const getCompletions = async(keywords) => {
-  return browser.bookmarks.search({ query: keywords }).then((items) => {
+  let items = await browser.bookmarks.search({ query: keywords });
   return items.filter((item) => {
     let url = undefined;
     try {
@@ -9,7 +9,6 @@ const getCompletions = (keywords) => {
     }
     return item.type === 'bookmark' && url.protocol !== 'place:';
   }).slice(0, 10);
-  });
 };
 
 export { getCompletions };

src/background/shared/completions/histories.js

@@ -61,11 +61,11 @@ const reduceByOrigin = (items, min) => {
   return filtered;
 };
 
-const getCompletions = (keyword) => {
+const getCompletions = async(keyword) => {
-  return browser.history.search({
+  let historyItems = await browser.history.search({
     text: keyword,
     startTime: 0,
-  }).then((historyItems) => {
+  });
   return [historyItems.map(item => [item, new URL(item.url)])]
     .map(filterEmptyTitle)
     .map(filterHttp)
@@ -77,7 +77,6 @@ const getCompletions = (keyword) => {
       .slice(0, 10)
       .map(item => item[0])
     )[0];
-  });
 };
 
 export { getCompletions };

src/background/shared/completions/index.js

@@ -12,36 +12,30 @@ const getSearchCompletions = (command, keywords, searchConfig) => {
   return Promise.resolve(engineItems);
 };
 
-const getHistoryCompletions = (command, keywords) => {
+const getHistoryCompletions = async(command, keywords) => {
-  return histories.getCompletions(keywords).then((pages) => {
+  let items = await histories.getCompletions(keywords);
-    return pages.map((page) => {
+  return items.map((page) => {
     return {
       caption: page.title,
       content: command + ' ' + page.url,
       url: page.url
     };
   });
-  });
 };
 
-const getBookmarksCompletions = (command, keywords) => {
+const getBookmarksCompletions = async(command, keywords) => {
-  return bookmarks.getCompletions(keywords).then((items) => {
+  let items = await bookmarks.getCompletions(keywords);
-    return items.map((item) => {
+  return items.map(item => ({
-      return {
     caption: item.title,
     content: command + ' ' + item.url,
     url: item.url,
-      };
+  }));
-    });
-  });
 };
 
-const getOpenCompletions = (command, keywords, searchConfig) => {
+const getOpenCompletions = async(command, keywords, searchConfig) => {
-  return Promise.all([
+  let engineItems = await getSearchCompletions(command, keywords, searchConfig);
-    getSearchCompletions(command, keywords, searchConfig),
+  let historyItems = await getHistoryCompletions(command, keywords);
-    getHistoryCompletions(command, keywords),
+  let bookmarkItems = await getBookmarksCompletions(command, keywords);
-    getBookmarksCompletions(command, keywords),
-  ]).then(([engineItems, historyItems, bookmarkItems]) => {
   let completions = [];
   if (engineItems.length > 0) {
     completions.push({
@@ -62,26 +56,22 @@ const getOpenCompletions = (command, keywords, searchConfig) => {
     });
   }
   return completions;
-  });
 };
 
-const getBufferCompletions = (command, keywords, excludePinned) => {
+const getBufferCompletions = async(command, keywords, excludePinned) => {
-  return tabs.getCompletions(keywords, excludePinned).then((got) => {
+  let items = await tabs.getCompletions(keywords, excludePinned);
-    let items = got.map((tab) => {
+  items = items.map(tab => ({
-      return {
     caption: tab.title,
     content: command + ' ' + tab.title,
     url: tab.url,
     icon: tab.favIconUrl
-      };
+  }));
-    });
   return [
     {
       name: 'Buffers',
       items: items
     }
   ];
-  });
 };
 
 const getCompletions = (line, settings) => {

src/background/shared/tabs.js

@@ -1,69 +1,60 @@
 import * as tabCompletions from './completions/tabs';
 
-const closeTab = (id) => {
+const closeTab = async(id) => {
-  return browser.tabs.get(id).then((tab) => {
+  let tab = await browser.tabs.get(id);
   if (!tab.pinned) {
     return browser.tabs.remove(id);
   }
-  });
 };
 
 const closeTabForce = (id) => {
   return browser.tabs.remove(id);
 };
 
-const queryByKeyword = (keyword, excludePinned = false) => {
+const queryByKeyword = async(keyword, excludePinned = false) => {
-  return browser.tabs.query({ currentWindow: true }).then((tabs) => {
+  let tabs = await browser.tabs.query({ currentWindow: true });
   return tabs.filter((t) => {
     return t.url.toLowerCase().includes(keyword.toLowerCase()) ||
       t.title && t.title.toLowerCase().includes(keyword.toLowerCase());
   }).filter((t) => {
     return !(excludePinned && t.pinned);
   });
-  });
 };
 
-const closeTabByKeywords = (keyword) => {
+const closeTabByKeywords = async(keyword) => {
-  return queryByKeyword(keyword, false).then((tabs) => {
+  let tabs = await queryByKeyword(keyword, false);
   if (tabs.length === 0) {
     throw new Error('No matching buffer for ' + keyword);
   } else if (tabs.length > 1) {
     throw new Error('More than one match for ' + keyword);
   }
-    browser.tabs.remove(tabs[0].id);
+  return browser.tabs.remove(tabs[0].id);
-  });
 };
 
-const closeTabByKeywordsForce = (keyword) => {
+const closeTabByKeywordsForce = async(keyword) => {
-  return queryByKeyword(keyword, true).then((tabs) => {
+  let tabs = await queryByKeyword(keyword, true);
   if (tabs.length === 0) {
     throw new Error('No matching buffer for ' + keyword);
   } else if (tabs.length > 1) {
     throw new Error('More than one match for ' + keyword);
   }
-    browser.tabs.remove(tabs[0].id);
+  return browser.tabs.remove(tabs[0].id);
-  });
 };
 
-const closeTabsByKeywords = (keyword) => {
+const closeTabsByKeywords = async(keyword) => {
-  tabCompletions.getCompletions(keyword).then((tabs) => {
+  let tabs = await tabCompletions.getCompletions(keyword);
-    let tabs2 = tabs.filter(tab => !tab.pinned);
+  tabs = tabs.filter(tab => !tab.pinned);
-    browser.tabs.remove(tabs2.map(tab => tab.id));
+  return browser.tabs.remove(tabs.map(tab => tab.id));
-  });
 };
 
-const closeTabsByKeywordsForce = (keyword) => {
+const closeTabsByKeywordsForce = async(keyword) => {
-  tabCompletions.getCompletions(keyword).then((tabs) => {
+  let tabs = await tabCompletions.getCompletions(keyword);
-    browser.tabs.remove(tabs.map(tab => tab.id));
+  return browser.tabs.remove(tabs.map(tab => tab.id));
-  });
 };
 
-const reopenTab = () => {
+const reopenTab = async() => {
-  let window = null;
+  let window = await browser.windows.getCurrent();
-  return browser.windows.getCurrent().then().then((w) => {
+  let sessions = await browser.sessions.getRecentlyClosed();
-    window = w;
-    return browser.sessions.getRecentlyClosed();
-  }).then((sessions) => {
   let session = sessions.find((s) => {
     return s.tab && s.tab.windowId === window.id;
   });
@@ -74,11 +65,10 @@ const reopenTab = () => {
     return browser.sessions.restore(session.tab.sessionId);
   }
   return browser.sessions.restore(session.window.sessionId);
-  });
 };
 
-const selectAt = (index) => {
+const selectAt = async(index) => {
-  return browser.tabs.query({ currentWindow: true }).then((tabs) => {
+  let tabs = await browser.tabs.query({ currentWindow: true });
   if (tabs.length < 2) {
     return;
   }
@@ -87,11 +77,10 @@ const selectAt = (index) => {
   }
   let id = tabs[index].id;
   return browser.tabs.update(id, { active: true });
-  });
 };
 
-const selectByKeyword = (current, keyword) => {
+const selectByKeyword = async(current, keyword) => {
-  return queryByKeyword(keyword).then((tabs) => {
+  let tabs = await queryByKeyword(keyword);
   if (tabs.length === 0) {
     throw new RangeError('No matching buffer for ' + keyword);
   }
@@ -101,43 +90,38 @@ const selectByKeyword = (current, keyword) => {
     }
   }
   return browser.tabs.update(tabs[0].id, { active: true });
-  });
 };
 
-const selectPrevTab = (current, count) => {
+const selectPrevTab = async(current, count) => {
-  return browser.tabs.query({ currentWindow: true }).then((tabs) => {
+  let tabs = await browser.tabs.query({ currentWindow: true });
   if (tabs.length < 2) {
     return;
   }
   let select = (current - count + tabs.length) % tabs.length;
   let id = tabs[select].id;
   return browser.tabs.update(id, { active: true });
-  });
 };
 
-const selectNextTab = (current, count) => {
+const selectNextTab = async(current, count) => {
-  return browser.tabs.query({ currentWindow: true }).then((tabs) => {
+  let tabs = await browser.tabs.query({ currentWindow: true });
   if (tabs.length < 2) {
     return;
   }
   let select = (current + count) % tabs.length;
   let id = tabs[select].id;
   return browser.tabs.update(id, { active: true });
-  });
 };
 
-const selectFirstTab = () => {
+const selectFirstTab = async() => {
-  return browser.tabs.query({ currentWindow: true }).then((tabs) => {
+  let tabs = await browser.tabs.query({ currentWindow: true });
   let id = tabs[0].id;
   return browser.tabs.update(id, { active: true });
-  });
 };
 
-const selectLastTab = () => {
+const selectLastTab = async() => {
-  return browser.tabs.query({ currentWindow: true }).then((tabs) => {
+  let tabs = await browser.tabs.query({ currentWindow: true });
   let id = tabs[tabs.length - 1].id;
   return browser.tabs.update(id, { active: true });
-  });
 };
 
 const selectTab = (id) => {
@@ -152,14 +136,11 @@ const reload = (current, cache) => {
 };
 
 const updateTabPinned = (current, pinned) => {
-  return browser.tabs.query({ currentWindow: true, active: true })
+  return browser.tabs.update(current.id, { pinned });
-    .then(() => {
-      return browser.tabs.update(current.id, { pinned: pinned });
-    });
 };
 
 const toggleTabPinned = (current) => {
-  updateTabPinned(current, !current.pinned);
+  return updateTabPinned(current, !current.pinned);
 };
 
 const duplicate = (id) => {

src/background/shared/zooms.js

@@ -9,26 +9,20 @@ const ZOOM_SETTINGS = [
   1.10, 1.25, 1.50, 1.75, 2.00, 2.50, 3.00
 ];
 
-const zoomIn = (tabId = undefined) => {
+const zoomIn = async(tabId = undefined) => {
-  return browser.tabs.getZoom(tabId).then((factor) => {
+  let current = await browser.tabs.getZoom(tabId);
-    for (let f of ZOOM_SETTINGS) {
+  let factor = ZOOM_SETTINGS.find(f => f > current);
-      if (f > factor) {
+  if (factor) {
-        browser.tabs.setZoom(tabId, f);
+    return browser.tabs.setZoom(tabId, factor);
-        break;
   }
-    }
-  });
 };
 
-const zoomOut = (tabId = undefined) => {
+const zoomOut = async(tabId = undefined) => {
-  return browser.tabs.getZoom(tabId).then((factor) => {
+  let current = await browser.tabs.getZoom(tabId);
-    for (let f of [].concat(ZOOM_SETTINGS).reverse()) {
+  let factor = [].concat(ZOOM_SETTINGS).reverse().find(f => f < current);
-      if (f < factor) {
+  if (factor) {
-        browser.tabs.setZoom(tabId, f);
+    return browser.tabs.setZoom(tabId, factor);
-        break;
-      }
   }
-  });
 };
 
 const neutral = (tabId = undefined) => {