ngx-custom-validators
Version:
Angular custom directives for validation
39 lines • 4.24 kB
JavaScript
import { Directive, Input, forwardRef } from '@angular/core';
import { NG_VALIDATORS } from '@angular/forms';
import { arrayLength } from './validator';
const ARRAY_LENGTH_VALIDATOR = {
provide: NG_VALIDATORS,
useExisting: forwardRef(() => ArrayLengthValidator),
multi: true
};
export class ArrayLengthValidator {
ngOnInit() {
this.validator = arrayLength(this.arrayLength);
}
ngOnChanges(changes) {
for (const key in changes) {
if (key === 'arrayLength') {
this.validator = arrayLength(changes[key].currentValue);
if (this.onChange) {
this.onChange();
}
}
}
}
validate(c) {
return this.validator(c);
}
registerOnValidatorChange(fn) {
this.onChange = fn;
}
}
ArrayLengthValidator.decorators = [
{ type: Directive, args: [{
selector: '[arrayLength][formControlName],[arrayLength][formControl],[arrayLength][ngModel]',
providers: [ARRAY_LENGTH_VALIDATOR]
},] }
];
ArrayLengthValidator.propDecorators = {
arrayLength: [{ type: Input }]
};
//# sourceMappingURL=data:application/json;base64,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