38 lines
1.2 KiB
TypeScript

/**
* @license
* Copyright Google Inc. 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 {Type} from '../../interface/type';
import {Pipe} from '../../metadata/directives';
import {NG_PIPE_DEF} from '../fields';
import {renderStringify} from '../util';
import {getCompilerFacade} from './compiler_facade';
import {angularCoreEnv} from './environment';
import {reflectDependencies} from './util';
export function compilePipe(type: Type<any>, meta: Pipe): void {
let ngPipeDef: any = null;
Object.defineProperty(type, NG_PIPE_DEF, {
get: () => {
if (ngPipeDef === null) {
ngPipeDef = getCompilerFacade().compilePipe(
angularCoreEnv, `ng://${renderStringify(type)}/ngPipeDef.js`, {
type: type,
name: type.name,
deps: reflectDependencies(type),
pipeName: meta.name,
pure: meta.pure !== undefined ? meta.pure : true
});
}
return ngPipeDef;
},
// Make the property configurable in dev mode to allow overriding in tests
configurable: !!ngDevMode,
});
}