@angular/core
Version:
Angular - the core framework
56 lines • 7.83 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 { 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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