forms

@stellar-apps/forms

This package contains form-related components with helpers for fetch-based forms using Formik and curls in the background.

Installation

yarn add @stellar-apps/forms

Usage

import {FetchForm, Input, TextArea} from '@stellar-apps/forms'


function ContactForm (props) {
  return (
    <FetchForm endpoint='/contact'>
      {({isSubmitting, handleSubmit, json}) => {
        if (json.status === 200) {
          return <Redirect to='/success'/>
        }
        
        return (
           <form onSubmit={handleSubmit}>
             <Input type='email' name='email' validate={...}/>
             <TextArea name='message'  validate={...}/>
             
             <button type='submit' disabled={isSubmitting}>
               Submit
             </button>
           </form>
        )
      }}
    </FetchForm>
  )
}

FetchForm

A render props component for easily implementing a fetch-based form in Formik with JSON response handling. Requires a fetch polyfill in browsers

Props

In addition to the props below, it inherits props from Formik

• endpoint {string}
  • This is the URL endpoint you'd like to send the form request to
• confirm {func}
  • If defined, the fetch will only run if this function returns true
  • Receives two arguments (formikValues, formikBag) seen here
• getRequestBody {func}
  • default (values, formikBag) => JSON.stringify(values)
  • Returns the body for the request
  • Receives two arguments (formikValues, formikBag) seen here
• getRequestHeaders {func}
  • default () => ({}) //noop
  • Returns headers you'd like to attach to the request (e.g. CSRF)
  • Receives two arguments (formikValues, formikBag) seen here
• onSubmit {func}
  • Called when the form is submitted and preempts the fetch() request for easy bailouts.
  • Receives two arguments (formikValues, formikBag) seen here

Render props

In addition to the render props below, it inherits render props from Formik

• response {fetch.Response}
  • The response object returned by the fetch() request
• json {fetch.json()}
  • The response JSON returned by await request.json()

---

Input

A wrapper for curls/Input and formik/Field

Props

In addition to the props below, this component accepts props from formik/Field and curls/Input

• renderError {func}
  • Accepts two arguments error and form from Formik
  • Rendered after the curls <Input/> as part of a React.Fragment
  • Is only rendered if there is an error and the field has been touched

---

TextArea

A wrapper for curls/TextArea and formik/Field

Props

In addition to the props below, this component accepts props from formik/Field and curls/TextArea

• renderError {func}
  • Accepts two arguments error and form from Formik
  • Rendered after the curls <TextArea/> as part of a React.Fragment
  • Is only rendered if there is an error and the field has been touched