COMPASS-3811: Zoom works with CMD/CTRL+=

Author: durran

package-lock.json

@@ -339,6 +339,7 @@
     "debug": "mongodb-js/debug#v2.2.3",
     "debug-menu": "^0.3.0",
     "detect-coordinates": "^0.2.0",
+    "electron-localshortcut": "^3.1.0",
     "electron-squirrel-startup": "^1.0.0",
     "ensure-error": "^1.0.0",
     "font-awesome": "^4.7.0",

package.json

@@ -3,6 +3,7 @@
  * https://github.com/atom/electron/blob/master/docs/api/browser-window.md
  */
 var electron = require('electron');
+var electronLocalShortcut = require('electron-localshortcut');
 var AppMenu = require('./menu');
 var BrowserWindow = electron.BrowserWindow;
 
@@ -128,6 +129,10 @@ var createWindow = (module.exports.create = function(opts) {
     }
   });
 
+  electronLocalShortcut.register(_window, 'CmdOrCtrl+=', () => {
+    ipc.broadcast('window:zoom-in');
+  });
+
   /**
    * TODO (@imlucas) COMPASS-3134 to factor out 2 BrowserWindow's.
    */