42 lines
1.3 KiB
TypeScript
42 lines
1.3 KiB
TypeScript
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/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import * as o from '../output/output_ast';
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import {Identifiers as R3} from './r3_identifiers';
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import {R3CompiledExpression, R3Reference} from './util';
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import {DefinitionMap} from './view/util';
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export interface R3InjectorMetadata {
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name: string;
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type: R3Reference;
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internalType: o.Expression;
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providers: o.Expression|null;
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imports: o.Expression[];
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}
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export function compileInjector(meta: R3InjectorMetadata): R3CompiledExpression {
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const definitionMap = new DefinitionMap<{providers: o.Expression; imports: o.Expression;}>();
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if (meta.providers !== null) {
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definitionMap.set('providers', meta.providers);
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}
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if (meta.imports.length > 0) {
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definitionMap.set('imports', o.literalArr(meta.imports));
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}
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const expression =
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o.importExpr(R3.defineInjector).callFn([definitionMap.toLiteralMap()], undefined, true);
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const type = createInjectorType(meta);
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return {expression, type, statements: []};
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}
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export function createInjectorType(meta: R3InjectorMetadata): o.Type {
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return new o.ExpressionType(o.importExpr(R3.InjectorDef, [new o.ExpressionType(meta.type.type)]));
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}
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