Upgrade to Electron 4

package.json

@@ -12,7 +12,7 @@
     "url": "https://github.com/atom/atom/issues"
   },
   "license": "MIT",
-  "electronVersion": "3.1.10",
+  "electronVersion": "4.2.5",
   "dependencies": {
     "@atom/nsfw": "1.0.25",
     "@atom/source-map-support": "^0.3.4",

script/package.json

@@ -10,9 +10,9 @@
     "coffeelint": "1.15.7",
     "colors": "1.1.2",
     "donna": "1.0.16",
-    "electron-chromedriver": "^3.0.0",
+    "electron-chromedriver": "^4.2.0",
     "electron-link": "0.4.0",
-    "electron-mksnapshot": "^3.1.10",
+    "electron-mksnapshot": "^4.2.0",
     "electron-packager": "12.2.0",
     "@atom/electron-winstaller": "0.0.1",
     "eslint": "^5.16.0",

spec/integration/helpers/start-atom.js

@@ -53,6 +53,16 @@ const chromeDriverDown = done => {
 };
 
 const buildAtomClient = async (args, env) => {
+  // Since ChromeDriver v2.41, ChromeDriver will only connect if, either we precise a port
+  // for remote debugging, either the embedder (ie electron) made sure to pass `USER_DATA_DIR`
+  // to the remote debugging server.
+  // So, for now, we'll just use a random port (we don't care about its value since we're not
+  // connecting through it).
+  // (inspired by https://github.com/electron/spectron/pull/361/commits/737db138bd8a6daaf80f9c2bff710ce4a5fff39b).
+  // TodoElectronIssue: Remove the whole remote-debugging-port param once we upgrade
+  // to Electron v5, since this was fixes there (see electron/electron#17800).
+  const randomPort = Math.floor(Math.random() * (9999 - 9000) + 9000);
+
   const userDataDir = temp.mkdirSync('atom-user-data-dir');
   const client = await webdriverio.remote({
     host: 'localhost',
@@ -69,7 +79,8 @@ const buildAtomClient = async (args, env) => {
             .join(' ')}`,
           'dev',
           'safe',
-          `user-data-dir=${userDataDir}`
+          `user-data-dir=${userDataDir}`,
+          `remote-debugging-port=${randomPort}`
         ]
       }
     }

src/menu-manager.coffee

@@ -93,7 +93,11 @@ class MenuManager
   # added menu items.
   add: (items) ->
     items = _.deepClone(items)
-    @merge(@template, item) for item in items
+
+    for item in items
+      continue unless item.label? # TODO: Should we emit a warning here?
+      @merge(@template, item)
+
     @update()
     new Disposable => @remove(items)
 

src/module-cache.js

@@ -285,18 +285,18 @@ function registerBuiltins(devMode) {
   const electronAsarRoot = path.join(process.resourcesPath, 'electron.asar');
 
   const commonRoot = path.join(electronAsarRoot, 'common', 'api');
-  const commonBuiltins = [
-    'callbacks-registry',
-    'clipboard',
-    'crash-reporter',
-    'shell'
-  ];
+  const commonBuiltins = ['clipboard', 'shell'];
   for (const builtin of commonBuiltins) {
     cache.builtins[builtin] = path.join(commonRoot, `${builtin}.js`);
   }
 
   const rendererRoot = path.join(electronAsarRoot, 'renderer', 'api');
-  const rendererBuiltins = ['ipc-renderer', 'remote', 'screen'];
+  const rendererBuiltins = [
+    'crash-reporter',
+    'ipc-renderer',
+    'remote',
+    'screen'
+  ];
   for (const builtin of rendererBuiltins) {
     cache.builtins[builtin] = path.join(rendererRoot, `${builtin}.js`);
   }