@angular/core
Version:
Angular - the core framework
24 lines • 3.15 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 { createComputed, SIGNAL } from '@angular/core/primitives/signals';
import { performanceMarkFeature } from '../../util/performance';
/**
* Create a computed `Signal` which derives a reactive value from an expression.
*/
export function computed(computation, options) {
performanceMarkFeature('NgSignals');
const getter = createComputed(computation);
if (options?.equal) {
getter[SIGNAL].equal = options.equal;
}
if (ngDevMode) {
getter.toString = () => `[Computed: ${getter()}]`;
}
return getter;
}
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