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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | 1x 122x 159x 7x | /**
* Copyright (c) Siemens 2016 - 2025
* SPDX-License-Identifier: MIT
*/
import { Directive } from '@angular/core';
import { NG_VALUE_ACCESSOR } from '@angular/forms';
import { SiSelectSelectionStrategy } from './si-select-selection-strategy';
/**
* The directive enables the single-select behavior.
* Otherwise, use the {@link SiSelectMultiValueDirective} directive.
*
* @example
* ```html
* <si-select [(value)]="selectedValue" [options]="[
* { id: 'good', title: 'Good' },
* { id: 'average', title: 'Average' },
* { id: 'poor', title: 'Poor' }
* ]"></si-select>
* ```
*/
@Directive({
// eslint-disable-next-line @angular-eslint/directive-selector
selector: 'si-select:not([multi])',
providers: [
{ provide: SiSelectSelectionStrategy, useExisting: SiSelectSingleValueDirective },
{
provide: NG_VALUE_ACCESSOR,
useExisting: SiSelectSingleValueDirective,
multi: true
}
]
})
export class SiSelectSingleValueDirective<T> extends SiSelectSelectionStrategy<T, T> {
/**
* {@inheritDoc SiSelectSelectionStrategy#allowMultiple}
* @defaultValue false
*/
override allowMultiple = false;
protected toArrayValue(value: T | undefined): readonly T[] {
return value !== undefined ? [value] : [];
}
protected fromArrayValue([value]: readonly T[]): T {
return value;
}
}
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