Move JavaScript to root lib/ folder

lib/common/init.js

@@ -0,0 +1,47 @@
+const path = require('path');
+const timers = require('timers');
+const Module = require('module');
+
+process.atomBinding = function(name) {
+  try {
+    return process.binding("atom_" + process.type + "_" + name);
+  } catch (error) {
+    if (/No such module/.test(error.message)) {
+      return process.binding("atom_common_" + name);
+    }
+  }
+};
+
+if (!process.env.ELECTRON_HIDE_INTERNAL_MODULES) {
+  // Add common/api/lib to module search paths.
+  Module.globalPaths.push(path.resolve(__dirname, '..', 'api', 'lib'));
+}
+
+
+// setImmediate and process.nextTick makes use of uv_check and uv_prepare to
+// run the callbacks, however since we only run uv loop on requests, the
+// callbacks wouldn't be called until something else activated the uv loop,
+// which would delay the callbacks for arbitrary long time. So we should
+// initiatively activate the uv loop once setImmediate and process.nextTick is
+// called.
+var wrapWithActivateUvLoop = function(func) {
+  return function() {
+    process.activateUvLoop();
+    return func.apply(this, arguments);
+  };
+};
+
+process.nextTick = wrapWithActivateUvLoop(process.nextTick);
+
+global.setImmediate = wrapWithActivateUvLoop(timers.setImmediate);
+
+global.clearImmediate = timers.clearImmediate;
+
+if (process.type === '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);
+}