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useFormContext

React Context API for hook form

</> useFormContext: Function

This custom hook allows you to access the form context. useFormContext is intended to be used in deeply nested structures, where it would become inconvenient to pass the context as a prop.

Return

This hook will return all the useForm return methods and props.

const methods = useForm()


<FormProvider {...methods} /> // all the useForm return props


const methods = useFormContext() // retrieve those props
RULES

You need to wrap your form with the FormProvider component for useFormContext to work properly.

If you need to subscribe to form state values like errors, isDirty, or dirtyFields inside a FormProvider tree, use useFormState instead of destructuring formState from useFormContext(). formState is wrapped with a Proxy, so you should read the specific state you want to subscribe to before render.

Example:

import { useForm, FormProvider, useFormContext } from "react-hook-form"


export default function App() {
  const methods = useForm()
  const onSubmit = (data) => console.log(data)
  const { register, reset } = methods


  useEffect(() => {
    reset({
      name: "data",
    })
  }, [reset]) // ❌ never put `methods` as the deps


  return (
    <FormProvider {...methods}>
      // pass all methods into the context
      <form onSubmit={methods.handleSubmit(onSubmit)}>
        <NestedInput />
        <input {...register("name")} />
        <input type="submit" />
      </form>
    </FormProvider>
  )
}


function NestedInput() {
  const { register } = useFormContext() // retrieve all hook methods
  return <input {...register("test")} />
}

Thank you for your support

If you find React Hook Form to be useful in your project, please consider to star and support it.