75 lines
2.3 KiB
TypeScript

/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {ApplicationRef, DebugNode, NgZone, Optional, Provider, RootRenderer, getDebugNode, isDevMode} from '@angular/core';
import {DebugDomRootRenderer} from '../../../core_private';
import {StringMapWrapper} from '../../facade/collection';
import {getDOM} from '../dom_adapter';
import {DomRootRenderer} from '../dom_renderer';
const CORE_TOKENS = {
'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: any /** TODO #9100 */): DebugNode {
return getDebugNode(element);
}
/**
* @experimental
*/
export class NgProbeToken {
constructor(private name: string, private token: any) {}
}
export function _createConditionalRootRenderer(
rootRenderer: any /** TODO #9100 */, extraTokens: NgProbeToken[]) {
if (isDevMode()) {
return _createRootRenderer(rootRenderer, extraTokens);
}
return rootRenderer;
}
function _createRootRenderer(rootRenderer: any /** TODO #9100 */, extraTokens: NgProbeToken[]) {
getDOM().setGlobalVar(INSPECT_GLOBAL_NAME, inspectNativeElement);
getDOM().setGlobalVar(
CORE_TOKENS_GLOBAL_NAME,
StringMapWrapper.merge(CORE_TOKENS, _ngProbeTokensToMap(extraTokens || [])));
return new DebugDomRootRenderer(rootRenderer);
}
function _ngProbeTokensToMap(tokens: NgProbeToken[]): {[name: string]: any} {
return tokens.reduce((prev: any, t: any) => (prev[t.name] = t.token, prev), {});
}
/**
* Providers which support debugging Angular applications (e.g. via `ng.probe`).
*/
export const ELEMENT_PROBE_PROVIDERS: Provider[] = [{
provide: RootRenderer,
useFactory: _createConditionalRootRenderer,
deps: [DomRootRenderer, [NgProbeToken, new Optional()]]
}];
export const ELEMENT_PROBE_PROVIDERS_PROD_MODE: any[] = [{
provide: RootRenderer,
useFactory: _createRootRenderer,
deps: [DomRootRenderer, [NgProbeToken, new Optional()]]
}];