@ngx-uk-frontend/core/esm2022/form-utils/lib/inject-control.js

Core utilities and shared functionality for ngx-uk-frontend libraries

import { inject } from '@angular/core';
import { FormControlDirective, FormControlName, NgControl, NgModel, } from '@angular/forms';
/**
 * Injects and validates the NgControl instance for form control components.
 *
 * @returns {NgControl} The injected NgControl instance.
 * @throws {Error} If NgControl is not found or is not of an expected type.
 */
export function injectNgControl() {
    const ngControl = inject(NgControl, { self: true, optional: true });
    if (!ngControl) {
        throw new Error('NgControl is required. Make sure the component is used within a form control.');
    }
    if (ngControl instanceof FormControlDirective ||
        ngControl instanceof FormControlName ||
        ngControl instanceof NgModel) {
        return ngControl;
    }
    throw new Error('NgControl is not an expected type. This directive requires a compatible form control.');
}
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