angular2
Version:
Angular 2 - a web framework for modern web apps
37 lines (36 loc) • 1.73 kB
JavaScript
import { CONST_EXPR, assertionsEnabled } from 'angular2/src/facade/lang';
import { Provider } from 'angular2/src/core/di';
import { DOM } from 'angular2/src/platform/dom/dom_adapter';
import { getDebugNode } from 'angular2/src/core/debug/debug_node';
import { DomRootRenderer } from 'angular2/src/platform/dom/dom_renderer';
import { RootRenderer, NgZone, ApplicationRef } from 'angular2/core';
import { DebugDomRootRenderer } from 'angular2/src/core/debug/debug_renderer';
const CORE_TOKENS = CONST_EXPR({ 'ApplicationRef': ApplicationRef, 'NgZone': NgZone });
const INSPECT_GLOBAL_NAME = 'ng.probe';
const CORE_TOKENS_GLOBAL_NAME = 'ng.coreTokens';
/**
* Returns a {@link DebugElement} for the given native DOM element, or
* null if the given native element does not have an Angular view associated
* with it.
*/
export function inspectNativeElement(element) {
return getDebugNode(element);
}
function _createConditionalRootRenderer(rootRenderer) {
if (assertionsEnabled()) {
return _createRootRenderer(rootRenderer);
}
return rootRenderer;
}
function _createRootRenderer(rootRenderer) {
DOM.setGlobalVar(INSPECT_GLOBAL_NAME, inspectNativeElement);
DOM.setGlobalVar(CORE_TOKENS_GLOBAL_NAME, CORE_TOKENS);
return new DebugDomRootRenderer(rootRenderer);
}
/**
* Providers which support debugging Angular applications (e.g. via `ng.probe`).
*/
export const ELEMENT_PROBE_PROVIDERS = CONST_EXPR([
new Provider(RootRenderer, { useFactory: _createConditionalRootRenderer, deps: [DomRootRenderer] })
]);
export const ELEMENT_PROBE_PROVIDERS_PROD_MODE = CONST_EXPR([new Provider(RootRenderer, { useFactory: _createRootRenderer, deps: [DomRootRenderer] })]);