Fix xo 0.17 errors and use root xo config for app (#859)

* Use parent xo config in app/

* lint: Fix xo 0.17 errors

* app: add missing semver dependency

lib/actions/sessions.js

@@ -88,7 +88,7 @@ function createExitAction(type) {
         }
 
         const sessions = keys(getState().sessions.sessions);
-        if (!sessions.length) {
+        if (sessions.length === 0) {
           window.close();
         }
       }

lib/components/split-pane.js

@@ -1,3 +1,4 @@
+/* eslint-disable quote-props */
 import React from 'react';
 import Component from '../component';
 

lib/components/term-group.js

@@ -29,7 +29,7 @@ class TermGroup_ extends Component {
 
   renderSplit(groups) {
     const [first, ...rest] = groups;
-    if (!rest.length) {
+    if (rest.length === 0) {
       return first;
     }
 

lib/components/term.js

@@ -299,11 +299,11 @@ export default class Term extends Component {
             height: '100%'
           }}
           /> :
-        <div
-          className={css('scrollbarShim')}
-          onMouseEnter={this.handleScrollEnter}
-          onMouseLeave={this.handleScrollLeave}
-          />
+            <div
+              className={css('scrollbarShim')}
+              onMouseEnter={this.handleScrollEnter}
+              onMouseLeave={this.handleScrollLeave}
+              />
       }
       { this.props.customChildren }
     </div>);

lib/index.js

@@ -1,8 +1,8 @@
+import {webFrame} from 'electron';
 import forceUpdate from 'react-deep-force-update';
 import {Provider} from 'react-redux';
 import React from 'react';
 import {render} from 'react-dom';
-import {webFrame} from 'electron';
 
 import rpc from './rpc';
 import {init} from './actions/index';

lib/utils/file.js

@@ -16,8 +16,8 @@ export function isExecutable(fileStat) {
   }
 
   return Boolean(
-    (fileStat.mode & parseInt('0001', 8)) ||
-    (fileStat.mode & parseInt('0010', 8)) ||
-    (fileStat.mode & parseInt('0100', 8))
+    (fileStat.mode & 0o0001) ||
+    (fileStat.mode & 0o0010) ||
+    (fileStat.mode & 0o0100)
   );
 }

lib/utils/key-code.js

@@ -5,50 +5,50 @@
  */
 
 const _toAscii = {
-  '188': '44',
-  '109': '45',
-  '190': '46',
-  '191': '47',
-  '192': '96',
-  '220': '92',
-  '222': '39',
-  '221': '93',
-  '219': '91',
-  '173': '45',
-  '187': '61', // IE Key codes
-  '186': '59', // IE Key codes
-  '189': '45'  // IE Key codes
+  188: '44',
+  109: '45',
+  190: '46',
+  191: '47',
+  192: '96',
+  220: '92',
+  222: '39',
+  221: '93',
+  219: '91',
+  173: '45',
+  187: '61', // IE Key codes
+  186: '59', // IE Key codes
+  189: '45'  // IE Key codes
 };
 
 const _shiftUps = {
-  '96': '~',
-  '49': '!',
-  '50': '@',
-  '51': '#',
-  '52': '$',
-  '53': '%',
-  '54': '^',
-  '55': '&',
-  '56': '*',
-  '57': '(',
-  '48': ')',
-  '45': '_',
-  '61': '+',
-  '91': '{',
-  '93': '}',
-  '92': '|',
-  '59': ':',
-  '39': '\'',
-  '44': '<',
-  '46': '>',
-  '47': '?'
+  96: '~',
+  49: '!',
+  50: '@',
+  51: '#',
+  52: '$',
+  53: '%',
+  54: '^',
+  55: '&',
+  56: '*',
+  57: '(',
+  48: ')',
+  45: '_',
+  61: '+',
+  91: '{',
+  93: '}',
+  92: '|',
+  59: ':',
+  39: '\'',
+  44: '<',
+  46: '>',
+  47: '?'
 };
 
 const _arrowKeys = {
-  '38': '',
-  '40': '',
-  '39': '',
-  '37': ''
+  38: '',
+  40: '',
+  39: '',
+  37: ''
 };
 
 /**