/** * @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 { getCompilerFacade } from '../../compiler/compiler_facade'; import { reflectDependencies } from '../../di/jit/util'; import { NG_FACTORY_DEF, NG_PIPE_DEF } from '../fields'; import { angularCoreEnv } from './environment'; export function compilePipe(type, meta) { let ngPipeDef = null; let ngFactoryDef = null; Object.defineProperty(type, NG_FACTORY_DEF, { get: () => { if (ngFactoryDef === null) { const metadata = getPipeMetadata(type, meta); const compiler = getCompilerFacade({ usage: 0 /* JitCompilerUsage.Decorator */, kind: 'pipe', type: metadata.type }); ngFactoryDef = compiler.compileFactory(angularCoreEnv, `ng:///${metadata.name}/ɵfac.js`, { name: metadata.name, type: metadata.type, typeArgumentCount: 0, deps: reflectDependencies(type), target: compiler.FactoryTarget.Pipe }); } return ngFactoryDef; }, // Make the property configurable in dev mode to allow overriding in tests configurable: !!ngDevMode, }); Object.defineProperty(type, NG_PIPE_DEF, { get: () => { if (ngPipeDef === null) { const metadata = getPipeMetadata(type, meta); const compiler = getCompilerFacade({ usage: 0 /* JitCompilerUsage.Decorator */, kind: 'pipe', type: metadata.type }); ngPipeDef = compiler.compilePipe(angularCoreEnv, `ng:///${metadata.name}/ɵpipe.js`, metadata); } return ngPipeDef; }, // Make the property configurable in dev mode to allow overriding in tests configurable: !!ngDevMode, }); } function getPipeMetadata(type, meta) { return { type: type, name: type.name, pipeName: meta.name, pure: meta.pure !== undefined ? meta.pure : true, isStandalone: !!meta.standalone, }; } //# 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