@taiga-ui/kit/fesm2022/taiga-ui-kit-components-combo-box.mjs.map

Taiga UI Angular main components kit

{"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/combo-box.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    untracked,\n} from '@angular/core';\nimport {tuiAsControl, TuiControl} from '@taiga-ui/cdk/classes';\nimport {TUI_STRICT_MATCHER} from '@taiga-ui/cdk/constants';\nimport {type TuiStringMatcher} from '@taiga-ui/cdk/types';\nimport {tuiInjectElement} from '@taiga-ui/cdk/utils/dom';\nimport {\n    tuiAsOptionContent,\n    type TuiDataListAccessor,\n} from '@taiga-ui/core/components/data-list';\nimport {TuiInputDirective, TuiWithInput} from '@taiga-ui/core/components/input';\nimport {\n    tuiAsTextfieldAccessor,\n    tuiInjectAuxiliary,\n    type TuiTextfieldAccessor,\n    TuiTextfieldComponent,\n} from '@taiga-ui/core/components/textfield';\nimport {\n    TUI_ITEMS_HANDLERS,\n    type TuiItemsHandlers,\n} from '@taiga-ui/core/directives/items-handlers';\nimport {\n    TuiDropdownDirective,\n    tuiDropdownEnabled,\n    TuiDropdownOpen,\n} from '@taiga-ui/core/portals/dropdown';\nimport {TuiSelectOption} from '@taiga-ui/kit/components/select';\n\n@Directive({\n    selector: 'input[tuiComboBox]',\n    providers: [\n        tuiAsOptionContent(TuiSelectOption),\n        tuiAsTextfieldAccessor(TuiComboBoxDirective),\n        tuiAsControl(TuiComboBoxDirective),\n    ],\n    hostDirectives: [TuiWithInput],\n    host: {\n        '[disabled]': 'disabled()',\n        '(click)': 'toggleDropdown()',\n        '(input)': 'toggleDropdown(true)',\n        '(keydown.enter)': 'keydownEnter($event)',\n    },\n})\nexport class TuiComboBoxDirective<T>\n    extends TuiControl<T | string | null>\n    implements TuiTextfieldAccessor<T>\n{\n    private readonly el = tuiInjectElement<HTMLInputElement>();\n    private readonly host: TuiTextfieldComponent<T> = inject(TuiTextfieldComponent);\n    private readonly input: TuiInputDirective<T> = inject(TuiInputDirective);\n    private readonly open = inject(TuiDropdownOpen).open;\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 datalist = tuiInjectAuxiliary<TuiDataListAccessor<T>>(\n        (x) => 'options' in x && isSignal(x.options),\n    );\n\n    private readonly options = computed(\n        () =>\n            this.datalist()\n                ?.options()\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.input.value()\n        ) {\n            this.onChange(this.input.value() || null);\n        }\n    });\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.input.value();\n\n        const selectedOption = options.find((x) =>\n            matcher(x, textfieldValue, this.handlers.stringify()),\n        );\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    });\n\n    protected readonly newValueEffect = effect(() => {\n        const stringified = this.stringify(this.value());\n\n        this.input.value.update((x) => stringified || x);\n    });\n\n    protected readonly blurEffect = effect(() => {\n        const incomplete = untracked(\n            () => this.strict() && this.input.value() && this.value() === null,\n        );\n\n        if (!this.host.focused() && incomplete) {\n            this.el.value = '';\n            this.el.dispatchEvent(new Event('input', {bubbles: true}));\n            this.toggleDropdown(false);\n        }\n    });\n\n    public readonly strict = input(true);\n    public readonly matcher = input<TuiStringMatcher<T> | null>(TUI_STRICT_MATCHER);\n\n    public setValue(value: T | null): void {\n        this.input.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        const reset = this.control.pristine && this.control.untouched && !value;\n        const changed = untracked(() => value !== this.value());\n\n        if (changed || reset) {\n            super.writeValue(value);\n            untracked(() => this.input.value.set(this.stringify(value)));\n        }\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","import {TuiLabel} from '@taiga-ui/core/components/label';\nimport {\n    TuiTextfieldComponent,\n    TuiTextfieldOptionsDirective,\n} from '@taiga-ui/core/components/textfield';\nimport {TuiDropdownContent} from '@taiga-ui/core/portals/dropdown';\n\nimport {TuiComboBoxDirective} from './combo-box.directive';\n\nexport const TuiComboBox = [\n    TuiComboBoxDirective,\n    TuiLabel,\n    TuiTextfieldComponent,\n    TuiTextfieldOptionsDirective,\n    TuiDropdownContent,\n] as const;\n","/**\n * Generated bundle index. Do not edit.\n */\n\nexport * from 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