fix(macOS): Fix touchbar related crash on macOS 10.12.1 and lower

Closes #70

package.json

@@ -65,6 +65,7 @@
    "react-sortable-hoc": "^0.6.7",
    "react-tooltip": "^3.2.7",
    "route-parser": "^0.0.5",
    "semver": "^5.4.1",
    "smoothscroll-polyfill": "^0.3.4",
    "tar": "^4.0.2",
    "uuid": "^3.0.1"

src/lib/TouchBar.js

@@ -1,3 +1,5 @@
import os from 'os';
import semver from 'semver';
import { remote } from 'electron';
import { autorun } from 'mobx';

@@ -8,17 +10,23 @@ export default class FranzTouchBar {
    this.stores = stores;
    this.actions = actions;

    this._initializeReactions();
  }

  _initializeReactions() {
    this.build = autorun(this._build.bind(this));
    // Temporary fix for https://github.com/electron/electron/issues/10442
    // TODO: remove when we upgrade to electron 1.8.2 or later
    try {
      if (isMac && semver.gt(os.release(), '16.6.0')) {
        this.build = autorun(this._build.bind(this));
      }
    } catch (err) {
      console.error(err);
    }
  }

  _build() {
    const currentWindow = remote.getCurrentWindow();

    if (isMac && this.stores.user.isLoggedIn) {
    currentWindow._setEscapeTouchBarItem = () => {};

    if (this.stores.user.isLoggedIn) {
      const { TouchBar } = remote;
      const { TouchBarButton, TouchBarSpacer } = TouchBar;