@angular/core
Version:
Angular - the core framework
41 lines • 5.15 kB
JavaScript
/**
* @license
* Copyright Google LLC 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 { stringify } from '../util/stringify';
export function noComponentFactoryError(component) {
const error = Error(`No component factory found for ${stringify(component)}.`);
error[ERROR_COMPONENT] = component;
return error;
}
const ERROR_COMPONENT = 'ngComponent';
export function getComponent(error) {
return error[ERROR_COMPONENT];
}
class _NullComponentFactoryResolver {
resolveComponentFactory(component) {
throw noComponentFactoryError(component);
}
}
/**
* A simple registry that maps `Components` to generated `ComponentFactory` classes
* that can be used to create instances of components.
* Use to obtain the factory for a given component type,
* then use the factory's `create()` method to create a component of that type.
*
* Note: since v13, dynamic component creation via
* [`ViewContainerRef.createComponent`](api/core/ViewContainerRef#createComponent)
* does **not** require resolving component factory: component class can be used directly.
*
* @publicApi
*
* @deprecated Angular no longer requires Component factories. Please use other APIs where
* Component class can be used directly.
*/
export class ComponentFactoryResolver {
static { this.NULL = new _NullComponentFactoryResolver(); }
}
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