@taiga-ui/cdk
Version:
Base library for creating Angular components and applications using Taiga UI principles regarding of actual visual appearance
25 lines • 3.27 kB
JavaScript
import { inject } from '@angular/core';
import { identity } from 'rxjs';
export class TuiValueTransformer {
}
export function tuiValueTransformerFrom(token) {
return {
provide: TuiValueTransformer,
useFactory: () => inject(token).valueTransformer,
};
}
export class TuiNonNullableValueTransformer extends TuiValueTransformer {
fromControlValue(value) {
this.prevValue = value;
return value;
}
toControlValue(value) {
this.prevValue = value ?? this.prevValue;
return this.prevValue;
}
}
export const TUI_IDENTITY_VALUE_TRANSFORMER = {
fromControlValue: identity,
toControlValue: identity,
};
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