Merge pull request #2773 from atom/require-global

Make sure global symbols of Node.js is always available in preload script

atom/common/lib/init.coffee

@@ -37,13 +37,18 @@ wrapWithActivateUvLoop = (func) ->
     process.activateUvLoop()
     func.apply this, arguments
 process.nextTick = wrapWithActivateUvLoop process.nextTick
-global.setImmediate = wrapWithActivateUvLoop timers.setImmediate
-global.clearImmediate = timers.clearImmediate
 
-# setTimeout needs to update the polling timeout of the event loop, when called
-# under Chromium's event loop the node's event loop won't get a chance to update
-# the timeout, so we have to force the node's event loop to recalculate the
-# timeout in browser process.
 if process.type is 'browser'
+  # setTimeout needs to update the polling timeout of the event loop, when
+  # called under Chromium's event loop the node's event loop won't get a chance
+  # to update the timeout, so we have to force the node's event loop to
+  # recalculate the timeout in browser process.
   global.setTimeout = wrapWithActivateUvLoop timers.setTimeout
   global.setInterval = wrapWithActivateUvLoop timers.setInterval
+  global.setImmediate = wrapWithActivateUvLoop timers.setImmediate
+  global.clearImmediate = wrapWithActivateUvLoop timers.clearImmediate
+else
+  # There are no setImmediate under renderer process by default, so we need to
+  # manually setup them here.
+  global.setImmediate = setImmediate
+  global.clearImmediate = clearImmediate

spec/fixtures/module/preload-node-off.js

@@ -0,0 +1,7 @@
+setImmediate(function() {
+  try {
+    console.log([typeof process, typeof setImmediate, typeof global].join(' '));
+  } catch (e) {
+    console.log(e.message);
+  }
+});

spec/webview-spec.coffee

@@ -84,6 +84,14 @@ describe '<webview> tag', ->
       webview.src = "file://#{fixtures}/pages/e.html"
       document.body.appendChild webview
 
+    it 'preload script can still use "process" in required modules when nodeintegration is off', (done) ->
+      webview.addEventListener 'console-message', (e) ->
+        assert.equal e.message, 'object function object'
+        done()
+      webview.setAttribute 'preload', "#{fixtures}/module/preload-node-off.js"
+      webview.src = "file://#{fixtures}/api/blank.html"
+      document.body.appendChild webview
+
     it 'receives ipc message in preload script', (done) ->
       message = 'boom!'
       listener = (e) ->