packages/core/src/linker/compiler.ts - main - githubmirror/angular

packages/core/src/linker/compiler.ts
97 строк2 KB
Matthieu Riegler
refactor(core): use the `@Service` decorator where possible.
08 май 2026, 02:03
08 май 2026, 02:03a7dab60
/**
 * @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.dev/license
 */

import {Service} from '../di';
import {InjectionToken} from '../di/injection_token';
import {StaticProvider} from '../di/interface/provider';
import {Type} from '../interface/type';
import {ViewEncapsulation} from '../metadata/view';
import {NgModuleFactory as NgModuleFactoryR3} from '../render3/ng_module_ref';

import {NgModuleFactory} from './ng_module_factory';

/**
 * Low-level service for running the angular compiler during runtime
 * to create {@link AbstractComponentFactory}s, which
 * can later be used to create and render a Component instance.
 *
 * Each `@NgModule` provides an own `Compiler` to its injector,
 * that will use the directives/pipes of the ng module for compilation
 * of components.
 *
 * @publicApi
 *
 * @deprecated
 * Ivy JIT mode doesn't require accessing this symbol.
 */
@Service()
export class Compiler {
  /**
   * Compiles the given NgModule and all of its components. All templates of the components
   * have to be inlined.
   */
  compileModuleSync<T>(moduleType: Type<T>): NgModuleFactory<T> {
    return new NgModuleFactoryR3(moduleType);
  }

  /**
   * Compiles the given NgModule and all of its components
   */
  compileModuleAsync<T>(moduleType: Type<T>): Promise<NgModuleFactory<T>> {
    return Promise.resolve(this.compileModuleSync(moduleType));
  }

  /**
   * Clears all caches.
   */
  clearCache(): void {}

  /**
   * Clears the cache for the given component/ngModule.
   */
  clearCacheFor(type: Type<any>) {}

  /**
   * Returns the id for a given NgModule, if one is defined and known to the compiler.
   */
  getModuleId(moduleType: Type<any>): string | undefined {
    return undefined;
  }
}

/**
 * Options for creating a compiler.
 *
 * @publicApi
 */
export type CompilerOptions = {
  defaultEncapsulation?: ViewEncapsulation;
  providers?: StaticProvider[];
  preserveWhitespaces?: boolean;
};

/**
 * Token to provide CompilerOptions in the platform injector.
 *
 * @publicApi
 */
export const COMPILER_OPTIONS = new InjectionToken<CompilerOptions[]>(
  typeof ngDevMode !== 'undefined' && ngDevMode ? 'compilerOptions' : '',
);

/**
 * A factory for creating a Compiler
 *
 * @publicApi
 *
 * @deprecated
 * Ivy JIT mode doesn't require accessing this symbol.
 */
export abstract class CompilerFactory {
  abstract createCompiler(options?: CompilerOptions[]): Compiler;
}