Function isAbstractControlOptions

packages/forms/src/form_builder.ts:22–31

(
  options: AbstractControlOptions | {[key: string]: any} | null | undefined,
)

import {FormGroup, FormRecord, UntypedFormGroup} from './model/form_group';

function isAbstractControlOptions(
  options: AbstractControlOptions | {[key: string]: any} | null | undefined,
): options is AbstractControlOptions {
  return (
    !!options &&
    ((options as AbstractControlOptions).asyncValidators !== undefined ||
      (options as AbstractControlOptions).validators !== undefined ||
      (options as AbstractControlOptions).updateOn !== undefined)
  );
}

/**
 * The union of all validator types that can be accepted by a ControlConfig.