e9f70293ac
Queries allow a directive to inject a live list of directives of a given type from its LightDom. The injected list is Iterable (in JS and Dart). It will be Observable when Observables are support in JS, for now it maintains a simple list of onChange callbacks API. To support queries, element injectors now maintain a list of child injectors in the correct DOM order (dynamically updated by viewports). For performance reasons we allow only 3 active queries in an injector subtree. The feature adds no overhead to the application when not used. Queries walk the injector tree only during dynamic view addition/removal as triggered by viewport directives. Syncs changes between viewContainer on the render and logic sides. Closes #792
Angular 
Angular is a development platform for building mobile and desktop web applications. This is the repository for Angular 2, both the JavaScript (JS) and Dart versions.
Angular 2 is currently in Alpha Preview. We recommend using Angular 1.X for production applications:
Setup & Install Angular 2
Follow the instructions given on the Angular download page.
Want to help?
Want to file a bug, or contribute some code or improve documentation? Excellent! Read up on our guidelines for contributing.
Examples
To see the examples, first build the project as described here.
Hello World Example
This example consists of three basic pieces - a component, a decorator and a
service. They are all constructed via injection. For more information see the
comments in the source modules/examples/src/hello_world/index.js.
You can build this example as either JS or Dart app:
- JS:
$(npm bin)/gulp build.js.dev, and$(npm bin)/gulp serve.js.dev, and- open
localhost:8000/examples/src/hello_world/in Chrome.
- Dart:
$(npm bin)/gulp serve/examples.dart, and- open
localhost:8080/src/hello_worldin Chrome (for dart2js) or Dartium (for Dart VM).