ngx-custom-validators-angular-14/esm2020/app/max-date/validator.mjs

Angular custom directives for validation

import { UntypedFormControl, NgModel, Validators } from '@angular/forms';
import { isDate, isPresent, parseDate } from '../util/lang';
export const maxDate = (maxInput) => {
    let value;
    let subscribe = false;
    let maxValue = maxInput;
    const isForm = maxInput instanceof UntypedFormControl || maxInput instanceof NgModel;
    return (control) => {
        if (!subscribe && isForm) {
            subscribe = true;
            maxInput.valueChanges.subscribe(() => {
                control.updateValueAndValidity();
            });
        }
        if (isForm) {
            maxValue = maxInput.value;
        }
        value = parseDate(maxValue);
        if (!isDate(value) && !(value instanceof Function)) {
            if (value == null) {
                return null;
            }
            else if (isForm) {
                return { maxDate: { error: 'maxDate is invalid' } };
            }
            else {
                throw Error('maxDate value must be or return a formatted date');
            }
        }
        if (isPresent(Validators.required(control))) {
            return null;
        }
        const d = new Date(parseDate(control.value)).getTime();
        if (!isDate(d)) {
            return { value: true };
        }
        if (value instanceof Function) {
            value = value();
        }
        return d <= new Date(value).getTime()
            ? null
            : (isForm ? { maxDate: { control: maxInput, value: maxInput.value } } : { maxDate: { value: maxValue, control: undefined } });
    };
};
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