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feat(core): add createComponent and reflectComponentType functions #46685

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AndrewKushnir wants to merge 4 commits into from
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feat(core): add createComponent and reflectComponentType functions #46685

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c46f731
feat(core): add `createComponent` function
AndrewKushnir Jun 23, 2022
d3ed98c
feat(core): add `reflectComponentType` function
AndrewKushnir Jul 2, 2022
642d1ba
refactor(core): move the code to avoid circular dependencies
AndrewKushnir Jul 11, 2022
cb82edc
refactor(core): annotate `ComponentMirror` object fields as readonly
AndrewKushnir Jul 14, 2022
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27 changes: 27 additions & 0 deletions goldens/public-api/core/index.md
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Original file line number Diff line number Diff line change
Expand Up @@ -233,6 +233,22 @@ export abstract class ComponentFactoryResolver {
abstract resolveComponentFactory<T>(component: Type<T>): ComponentFactory<T>;
}

// @public
export interface ComponentMirror<C> {
get inputs(): ReadonlyArray<{
readonly propName: string;
readonly templateName: string;
}>;
get isStandalone(): boolean;
get ngContentSelectors(): ReadonlyArray<string>;
get outputs(): ReadonlyArray<{
readonly propName: string;
readonly templateName: string;
}>;
get selector(): string;
get type(): Type<C>;
}

// @public
export abstract class ComponentRef<C> {
abstract get changeDetectorRef(): ChangeDetectorRef;
Expand Down Expand Up @@ -299,6 +315,14 @@ export interface ContentChildrenDecorator {
}): Query;
}

// @public
export function createComponent<C>(component: Type<C>, options: {
environmentInjector: EnvironmentInjector;
hostElement?: Element;
elementInjector?: Injector;
projectableNodes?: Node[][];
}): ComponentRef<C>;

// @public
export function createEnvironmentInjector(providers: Array<Provider | ImportedNgModuleProviders>, parent: EnvironmentInjector, debugName?: string | null): EnvironmentInjector;

Expand Down Expand Up @@ -1106,6 +1130,9 @@ export class QueryList<T> implements Iterable<T> {
toString(): string;
}

// @public
export function reflectComponentType<C>(component: Type<C>): ComponentMirror<C> | null;

// @public @deprecated
export abstract class ReflectiveInjector implements Injector {
abstract createChildFromResolved(providers: ResolvedReflectiveProvider[]): ReflectiveInjector;
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1 change: 1 addition & 0 deletions packages/core/src/core.ts
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Expand Up @@ -37,6 +37,7 @@ export * from './core_render3_private_export';
export {SecurityContext} from './sanitization/security';
export {Sanitizer} from './sanitization/sanitizer';
export {createNgModule, createNgModuleRef, createEnvironmentInjector} from './render3/ng_module_ref';
export {createComponent, reflectComponentType, ComponentMirror} from './render3/component';

import {global} from './util/global';
if (typeof ngDevMode !== 'undefined' && ngDevMode) {
Expand Down
4 changes: 1 addition & 3 deletions packages/core/src/linker/component_factory_resolver.ts
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Expand Up @@ -6,12 +6,10 @@
* found in the LICENSE file at https://angular.io/license
*/

import {Injector} from '../di/injector';
import {Type} from '../interface/type';
import {stringify} from '../util/stringify';

import {ComponentFactory, ComponentRef} from './component_factory';
import {NgModuleRef} from './ng_module_factory';
import {ComponentFactory} from './component_factory';

export function noComponentFactoryError(component: Function) {
const error = Error(`No component factory found for ${
Expand Down
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