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{"version":3,"file":"signals-compat.mjs","sources":["../../../../../k8-fastbuild-ST-fdfa778d11ba/bin/packages/forms/signals/compat/src/compat_field_node.ts","../../../../../k8-fastbuild-ST-fdfa778d11ba/bin/packages/forms/signals/compat/src/compat_node_state.ts","../../../../../k8-fastbuild-ST-fdfa778d11ba/bin/packages/forms/signals/compat/src/compat_structure.ts","../../../../../k8-fastbuild-ST-fdfa778d11ba/bin/packages/forms/signals/compat/src/compat_validation_state.ts","../../../../../k8-fastbuild-ST-fdfa778d11ba/bin/packages/forms/signals/compat/src/compat_field_adapter.ts","../../../../../k8-fastbuild-ST-fdfa778d11ba/bin/packages/forms/signals/compat/src/api/compat_form.ts","../../../../../k8-fastbuild-ST-fdfa778d11ba/bin/packages/forms/signals/compat/src/api/di.ts","../../../../../k8-fastbuild-ST-fdfa778d11ba/bin/packages/forms/signals/compat/src/signal_form_control/signal_form_control.ts"],"sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {computed, linkedSignal, runInInjectionContext, Signal, untracked} from '@angular/core';\nimport {toSignal} from '@angular/core/rxjs-interop';\nimport {AbstractControl} from '@angular/forms';\nimport {Observable, ReplaySubject} from 'rxjs';\nimport {map, takeUntil} from 'rxjs/operators';\nimport {FieldNode} from '../../src/field/node';\nimport {getInjectorFromOptions} from '../../src/field/util';\nimport type {CompatFieldNodeOptions} from './compat_structure';\n\n/**\n * Field node with additional control property.\n *\n * Compat node has no children.\n */\nexport class CompatFieldNode extends FieldNode {\n readonly control: Signal<AbstractControl>;\n\n constructor(public readonly options: CompatFieldNodeOptions) {\n super(options);\n this.control = this.options.control;\n }\n}\n\n/**\n * Makes a function which creates a new subject (and unsubscribes/destroys the previous one).\n *\n * This allows us to automatically unsubscribe from status changes of the previous FormControl when we go to subscribe to a new one\n */\nfunction makeCreateDestroySubject() {\n let destroy$ = new ReplaySubject<void>(1);\n return () => {\n destroy$.next();\n destroy$.complete();\n\n return (destroy$ = new ReplaySubject<void>(1));\n };\n}\n\n/**\n * Helper function taking options, and a callback which takes options, and a function\n * converting reactive control to appropriate property using toSignal from rxjs compat.\n *\n * This helper keeps all complexity in one place by doing the following things:\n * - Running the callback in injection context\n * - Not tracking the callback, as it creates a new signal.\n * - Reacting to control changes, allowing to swap control dynamically.\n *\n * @param options\n * @param makeSignal\n */\nexport function extractControlPropToSignal<T, R = T>(\n options: CompatFieldNodeOptions,\n makeSignal: (c: AbstractControl<unknown, T>, destroy$: Observable<void>) => Signal<R>,\n): Signal<R> {\n const injector = getInjectorFromOptions(options);\n\n // Creates a subject that could be used in takeUntil.\n const createDestroySubject = makeCreateDestroySubject();\n\n const signalOfControlSignal = linkedSignal({\n source: options.control,\n computation: (control) => {\n return untracked(() => {\n return runInInjectionContext(injector, () => makeSignal(control, createDestroySubject()));\n });\n },\n });\n\n // We have to have computed, because we need to react to both:\n // linked signal changes as well as the inner signal changes.\n return computed(() => signalOfControlSignal()());\n}\n\n/**\n * A helper function, simplifying getting reactive control properties after status changes.\n *\n * Used to extract errors and statuses such as valid, pending.\n *\n * @param options\n * @param getValue\n */\nexport const getControlStatusSignal = <T>(\n options: CompatFieldNodeOptions,\n getValue: (c: AbstractControl<unknown>) => T,\n) => {\n retu
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