3 files changed, 40 insertions, 34 deletions
diff --git a/src/background/index.js b/src/background/index.js
index ef1b881..a4217c1 100644
--- a/src/background/index.js
+++ b/src/background/index.js
@@ -5,9 +5,10 @@ import * as commandActions from '../actions/command';
 import * as consoleActions from '../actions/console';
 import reducers from '../reducers';
 import messages from '../messages';
-import * as store from '../store'
+import * as store from '../store';
 
 let prevInput = [];
+
 const backgroundStore = store.createStore(reducers, (e, sender) => {
   console.error('Vim-Vixen:', e);
   if (sender) {
@@ -15,9 +16,9 @@ const backgroundStore = store.createStore(reducers, (e, sender) => {
   }
 });
 backgroundStore.subscribe((sender) => {
-  let currentInput = backgroundStore.getState().input
+  let currentInput = backgroundStore.getState().input;
   if (JSON.stringify(prevInput) === JSON.stringify(currentInput)) {
-    return
+    return;
   }
   prevInput = currentInput;
 
@@ -39,13 +40,14 @@ backgroundStore.subscribe((sender) => {
 
 const keyQueueChanged = (state, sender) => {
   let prefix = keys.asKeymapChars(state.input.keys);
-  let matched = Object.keys(keys.defaultKeymap).filter((keys) => {
-    return keys.startsWith(prefix);
+  let matched = Object.keys(keys.defaultKeymap).filter((keyStr) => {
+    return keyStr.startsWith(prefix);
   });
-  if (matched.length == 0) {
+  if (matched.length === 0) {
     backgroundStore.dispatch(inputActions.clearKeys(), sender);
     return Promise.resolve();
-  } else if (matched.length > 1 || matched.length === 1 && prefix !== matched[0]) {
+  } else if (matched.length > 1 ||
+    matched.length === 1 && prefix !== matched[0]) {
     return Promise.resolve();
   }
   let action = keys.defaultKeymap[matched];
@@ -56,15 +58,19 @@ const keyQueueChanged = (state, sender) => {
 const handleMessage = (message, sender) => {
   switch (message.type) {
   case messages.KEYDOWN:
-    return backgroundStore.dispatch(inputActions.keyPress(message.code, message.ctrl), sender);
+    return backgroundStore.dispatch(
+      inputActions.keyPress(message.code, message.ctrl), sender);
   case messages.CONSOLE_BLURRED:
-    return backgroundStore.dispatch(consoleActions.hide(), sender);
+    return backgroundStore.dispatch(
+      consoleActions.hide(), sender);
   case messages.CONSOLE_ENTERED:
-    return backgroundStore.dispatch(commandActions.exec(message.text), sender);
+    return backgroundStore.dispatch(
+      commandActions.exec(message.text), sender);
   case messages.CONSOLE_CHANGEED:
-    return backgroundStore.dispatch(commandActions.complete(message.text), sender);
+    return backgroundStore.dispatch(
+      commandActions.complete(message.text), sender);
   }
-}
+};
 
 browser.runtime.onMessage.addListener((message, sender) => {
   try {
diff --git a/src/background/keys.js b/src/background/keys.js
index 8d75aba..9121e0f 100644
--- a/src/background/keys.js
+++ b/src/background/keys.js
@@ -30,28 +30,26 @@ const defaultKeymap = {
   'F': { type: operations.FOLLOW_START, newTab: true },
   'H': { type: operations.HISTORY_PREV },
   'L': { type: operations.HISTORY_NEXT },
-}
+};
 
 const asKeymapChars = (keys) => {
   return keys.map((k) => {
     let c = String.fromCharCode(k.code);
     if (k.ctrl) {
       return '<C-' + c.toUpperCase() + '>';
-    } else {
-      return c
     }
+    return c;
   }).join('');
-}
+};
 
 const asCaretChars = (keys) => {
   return keys.map((k) => {
     let c = String.fromCharCode(k.code);
     if (k.ctrl) {
       return '^' + c.toUpperCase();
-    } else {
-      return c;
     }
+    return c;
   }).join('');
-}
+};
 
 export { defaultKeymap, asKeymapChars, asCaretChars };
diff --git a/src/background/tabs.js b/src/background/tabs.js
index bd69b4b..32f71ba 100644
--- a/src/background/tabs.js
+++ b/src/background/tabs.js
@@ -12,9 +12,8 @@ const reopenTab = () => {
     let session = sessions[0];
     if (session.tab) {
       return browser.sessions.restore(session.tab.sessionId);
-    } else {
-      return browser.sessions.restore(session.window.sessionId);
     }
+    return browser.sessions.restore(session.window.sessionId);
   });
 };
 
@@ -24,20 +23,20 @@ const selectAt = (index) => {
       return;
     }
     if (index < 0 || tabs.length <= index) {
-      throw new RangeError(`tab ${index} does not exist`)
+      throw new RangeError(`tab ${index} does not exist`);
     }
     let id = tabs[index].id;
-    return browser.tabs.update(id, { active: true })
+    return browser.tabs.update(id, { active: true });
   });
 };
 
 const selectByKeyword = (current, keyword) => {
   return browser.tabs.query({ currentWindow: true }).then((tabs) => {
     let matched = tabs.filter((t) => {
-      return t.url.includes(keyword) || t.title.includes(keyword)
-    })
+      return t.url.includes(keyword) || t.title.includes(keyword);
+    });
 
-    if (matched.length == 0) {
+    if (matched.length === 0) {
       throw new RangeError('No matching buffer for ' + keyword);
     }
     for (let tab of matched) {
@@ -47,13 +46,13 @@ const selectByKeyword = (current, keyword) => {
     }
     return browser.tabs.update(matched[0].id, { active: true });
   });
-}
+};
 
 const getCompletions = (keyword) => {
   return browser.tabs.query({ currentWindow: true }).then((tabs) => {
     let matched = tabs.filter((t) => {
-      return t.url.includes(keyword) || t.title.includes(keyword)
-    })
+      return t.url.includes(keyword) || t.title.includes(keyword);
+    });
     return matched;
   });
 };
@@ -63,9 +62,9 @@ const selectPrevTab = (current, count) => {
     if (tabs.length < 2) {
       return;
     }
-    let select = (current - count) % tabs.length
+    let select = (current - count) % tabs.length;
     let id = tabs[select].id;
-    return browser.tabs.update(id, { active: true })
+    return browser.tabs.update(id, { active: true });
   });
 };
 
@@ -74,9 +73,9 @@ const selectNextTab = (current, count) => {
     if (tabs.length < 2) {
       return;
     }
-    let select = (current + count + tabs.length) % tabs.length
+    let select = (current + count + tabs.length) % tabs.length;
     let id = tabs[select].id;
-    return browser.tabs.update(id, { active: true })
+    return browser.tabs.update(id, { active: true });
   });
 };
 
@@ -87,4 +86,7 @@ const reload = (current, cache) => {
   );
 };
 
-export { closeTab, reopenTab, selectAt, selectByKeyword, getCompletions, selectPrevTab, selectNextTab, reload };
+export {
+  closeTab, reopenTab, selectAt, selectByKeyword, getCompletions,
+  selectPrevTab, selectNextTab, reload
+};