[react-packager][streamline oss] Move open sourced JS source to react-native-github

Libraries/AppRegistry/AppRegistry.js

@@ -0,0 +1,68 @@
+/**
+ * Copyright 2004-present Facebook. All Rights Reserved.
+ *
+ * @providesModule AppRegistry
+ */
+'use strict';
+
+var invariant = require('invariant');
+var renderApplication = require('renderApplication');
+
+if (__DEV__) {
+  // In order to use Cmd+P to record/dump perf data, we need to make sure
+  // this module is available in the bundle
+  require('RCTRenderingPerf');
+}
+
+var runnables = {};
+
+/**
+ * `AppRegistry` is the JS entry point to running all React Native apps.  App
+ * root components should register themselves with
+ * `AppRegistry.registerComponent`, then the native system can load the bundle
+ * for the app and then actually run the app when it's ready by invoking
+ * `AppRegistry.runApplication`.
+ *
+ * `AppRegistry` should be `require`d early in the `require` sequence to make
+ * sure the JS execution environment is setup before other modules are
+ * `require`d.
+ */
+var AppRegistry = {
+  registerConfig: function(config) {
+    for (var i = 0; i < config.length; ++i) {
+      if (config[i].run) {
+        AppRegistry.registerRunnable(config[i].appKey, config[i].run);
+      } else {
+        AppRegistry.registerComponent(config[i].appKey, config[i].component);
+      }
+    }
+  },
+
+  registerComponent: function(appKey, getComponentFunc) {
+    runnables[appKey] = {
+      run: (appParameters) =>
+        renderApplication(getComponentFunc(), appParameters.initialProps, appParameters.rootTag)
+    };
+    return appKey;
+  },
+
+  registerRunnable: function(appKey, func) {
+    runnables[appKey] = {run: func};
+    return appKey;
+  },
+
+  runApplication: function(appKey, appParameters) {
+    console.log(
+      'Running application "' + appKey + '" with appParams: ',
+      appParameters
+    );
+
+    invariant(
+      runnables[appKey] && runnables[appKey].run,
+      'Application ' + appKey + ' has not been registered.'
+    );
+    runnables[appKey].run(appParameters);
+  },
+};
+
+module.exports = AppRegistry;