react-hook-form/dist/watch.d.ts

Performant, flexible and extensible forms library for React Hooks

import type { FieldPath, FieldValues, WatchProps } from './types';
/**
 * Watch component that subscribes to form field changes and re-renders when watched fields update.
 *
 * @param control - The form control object from useForm
 * @param name - Can be field name, array of field names, or undefined to watch the entire form
 * @param disabled - Disable subscription
 * @param exact - Whether to watch exact field names or not
 * @param defaultValue - The default value to use if the field is not yet set
 * @param compute - Function to compute derived values from watched fields
 * @param render - The function that receives watched values and returns ReactNode
 * @returns The result of calling render function with watched values
 *
 * @example
 * The `Watch` component only re-render when the values of `foo`, `bar`, and `baz.qux` change.
 * The types of `foo`, `bar`, and `baz.qux` are precisely inferred.
 *
 * ```tsx
 * const { control } = useForm();
 *
 * <Watch
 *   control={control}
 *   names={['foo', 'bar', 'baz.qux']}
 *   render={([foo, bar, baz_qux]) => <div>{foo}{bar}{baz_qux}</div>}
 * />
 * ```
 */
export declare const Watch: <TFieldValues extends FieldValues = FieldValues, const TFieldName extends FieldPath<TFieldValues> | FieldPath<TFieldValues>[] | readonly FieldPath<TFieldValues>[] | undefined = undefined, TContext = any, TTransformedValues = TFieldValues, TComputeValue = undefined>(props: WatchProps<TFieldName, TFieldValues, TContext, TTransformedValues, TComputeValue>) => import("react").ReactNode | import("react").ReactNode[];
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