{"version":3,"file":"taiga-ui-kit-components-combo-box.mjs","sources":["../../../projects/kit/components/combo-box/combo-box.directive.ts","../../../projects/kit/components/combo-box/taiga-ui-kit-components-combo-box.ts"],"sourcesContent":["import {\n    computed,\n    Directive,\n    effect,\n    inject,\n    Input,\n    isSignal,\n    signal,\n    untracked,\n} from '@angular/core';\nimport {tuiAsControl, TuiControl} from '@taiga-ui/cdk/classes';\nimport {TUI_ALLOW_SIGNAL_WRITES, TUI_STRICT_MATCHER} from '@taiga-ui/cdk/constants';\nimport type {TuiStringMatcher} from '@taiga-ui/cdk/types';\nimport type {TuiDataListAccessor} from '@taiga-ui/core/components/data-list';\nimport {tuiAsOptionContent} from '@taiga-ui/core/components/data-list';\nimport type {TuiTextfieldAccessor} from '@taiga-ui/core/components/textfield';\nimport {\n    tuiAsTextfieldAccessor,\n    tuiInjectAuxiliary,\n    TuiTextfieldComponent,\n    TuiTextfieldDirective,\n    TuiWithTextfield,\n} from '@taiga-ui/core/components/textfield';\nimport {\n    TuiDropdownDirective,\n    tuiDropdownEnabled,\n    tuiDropdownOpen,\n} from '@taiga-ui/core/directives/dropdown';\nimport type {TuiItemsHandlers} from '@taiga-ui/core/directives/items-handlers';\nimport {TUI_ITEMS_HANDLERS} from '@taiga-ui/core/directives/items-handlers';\nimport {TuiSelectOption} from '@taiga-ui/kit/components/select';\n\n@Directive({\n    standalone: true,\n    selector: 'input[tuiComboBox]',\n    providers: [\n        tuiAsOptionContent(TuiSelectOption),\n        tuiAsTextfieldAccessor(TuiComboBox),\n        tuiAsControl(TuiComboBox),\n    ],\n    hostDirectives: [TuiWithTextfield],\n    host: {\n        '[disabled]': 'disabled()',\n        '(click)': 'toggleDropdown()',\n        '(input)': 'toggleDropdown(true)',\n        '(keydown.enter)': 'keydownEnter($event)',\n    },\n})\nexport class TuiComboBox<T>\n    extends TuiControl<T | string | null>\n    implements TuiTextfieldAccessor<T>\n{\n    private readonly host: TuiTextfieldComponent<T> = inject(TuiTextfieldComponent);\n    private readonly textfield: TuiTextfieldDirective<T> = inject(TuiTextfieldDirective);\n    private readonly open = tuiDropdownOpen();\n    private readonly dropdownEnabled = tuiDropdownEnabled(this.interactive);\n    private readonly dropdown = inject(TuiDropdownDirective);\n    private readonly handlers: TuiItemsHandlers<T | string> = inject(TUI_ITEMS_HANDLERS);\n\n    private readonly matcher = signal<TuiStringMatcher<T> | null>(TUI_STRICT_MATCHER);\n    private readonly strict = signal(true);\n    private readonly datalist = tuiInjectAuxiliary<TuiDataListAccessor<T>>(\n        (x) => x !== this && 'options' in x && isSignal(x.options),\n    );\n\n    private readonly options = computed(\n        () =>\n            this.datalist()\n                ?.options?.() // TODO(v5): remove optional call `?.()`\n                .filter((x) => !this.handlers.disabledItemHandler()(x)) ?? [],\n    );\n\n    protected readonly nonStrictControlEffect = effect(() => {\n        if (\n            !this.options().length &&\n            !this.strict() &&\n            this.stringify(this.value()) !== this.textfield.value()\n        ) {\n            this.onChange(this.textfield.value() || null);\n        }\n    }, TUI_ALLOW_SIGNAL_WRITES);\n\n    protected readonly matchingEffect = effect(() => {\n        const options = this.options();\n        const matcher = this.matcher();\n\n        if (!options.length || !matcher) {\n            return;\n        }\n\n        const textfieldValue = this.textfield.value();\n        const selectedOption = options.find((x) =>\n            matcher(x, textfieldValue, this.handlers.stringify()),\n        );\n        const value = untracked(() => this.value());\n        const unchanged = this.stringify(value) === textfieldValue;\n        const fallback = this.strict() || !textfieldValue ? null : textfieldValue;\n\n        this.onChange(\n            selectedOption ??\n                /**\n                 * Don't clear already not-null form control value on new `this.options()` array.\n                 * Otherwise, `ComboBox` becomes incompatible with virtual scroll\n                 * (which displays large lists of elements by only rendering the items that fit on-screen).\n                 * Users can still able to patch form value with `null` on new items if they wish the such behavior.\n                 */\n                (unchanged ? value : fallback),\n        );\n    }, TUI_ALLOW_SIGNAL_WRITES);\n\n    protected readonly newValueEffect = effect(() => {\n        const stringified = this.stringify(this.value());\n\n        this.textfield.value.update((x) => stringified || x);\n    }, TUI_ALLOW_SIGNAL_WRITES);\n\n    protected readonly blurEffect = effect(() => {\n        const incomplete = untracked(() => this.strict() && this.value() === null);\n\n        if (!this.host.focused() && incomplete) {\n            this.textfield.value.set('');\n        }\n    }, TUI_ALLOW_SIGNAL_WRITES);\n\n    // TODO(v5): use signal input\n    @Input('strict')\n    public set strictSetter(x: boolean) {\n        this.strict.set(x);\n    }\n\n    // TODO(v5): use signal input\n    @Input('matcher')\n    public set matcherSetter(x: TuiStringMatcher<T> | null) {\n        this.matcher.set(x);\n    }\n\n    public setValue(value: T | null): void {\n        this.textfield.setValue(value);\n        this.onChange(value);\n\n        if (!value) {\n            this.toggleDropdown(true);\n        }\n    }\n\n    public override writeValue(value: T | string | null): void {\n        super.writeValue(value);\n        this.textfield.value.set(this.stringify(value));\n    }\n\n    protected toggleDropdown(open = !this.open()): void {\n        if (this.dropdownEnabled() && this.dropdown._content()) {\n            this.open.set(open);\n        }\n    }\n\n    protected keydownEnter(event: KeyboardEvent): void {\n        if (!this.open()) {\n            return;\n        }\n\n        event.preventDefault();\n\n        const options = this.options();\n\n        if (options.length === 1 && options[0]) {\n            this.setValue(options[0]);\n            this.toggleDropdown(false);\n        }\n    }\n\n    private stringify(value?: T | string | null): string {\n        return value != null ? this.handlers.stringify()(value) : '';\n    }\n}\n","/**\n * Generated bundle index. 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