chore: add example

example/.eslintrc.json

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+{
+  "extends": "next/core-web-vitals"
+}

example/.gitignore

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+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# next.js
+/.next/
+/out/
+
+# production
+/build
+
+# misc
+.DS_Store
+*.pem
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+.pnpm-debug.log*
+
+# local env files
+.env*.local
+
+# vercel
+.vercel
+
+# typescript
+*.tsbuildinfo
+next-env.d.ts

example/.npmrc

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+save-exact=true

example/README.md

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+# example
+
+This is an example for using `react-component-form` inside a Next.js application with translations thanks to [next-translate](https://www.npmjs.com/package/next-translate).
+
+The application shows how to use the `<Form />` component with the `useForm` hook to validate and submit a form with a `name` input and an `email` input.
+
+The interesting code is in [./components/FormExample.tsx](./components/FormExample.tsx).

example/components/About.tsx

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+import Translation from 'next-translate/Trans'
+
+import { Link } from './design/Link'
+import { TextSpecial } from './design/TextSpecial'
+
+export const About: React.FC = () => {
+  return (
+    <section className='text-center mt-6'>
+      <h1 className='text-4xl'>{'<Form />'}</h1>
+      <h2 className='text-xl dark:text-gray-300 text-gray-600 mt-4'>
+        npm install --save{' '}
+        <Link
+          href='https://www.npmjs.com/package/react-component-form'
+          target='_blank'
+          rel='noopener noreferrer'
+        >
+          react-component-form
+        </Link>
+      </h2>
+
+      <p className='max-w-lg mt-6 text-base'>
+        <Translation
+          i18nKey='common:about'
+          components={[<TextSpecial key='special' />]}
+        />
+      </p>
+    </section>
+  )
+}

example/components/FormExample.tsx

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+import { Form, HandleUseFormCallback, useForm } from 'react-component-form'
+import useTranslation from 'next-translate/useTranslation'
+
+import { Input } from './design/Input'
+import { Button } from './design/Button'
+import { useFormTranslation } from '../hooks/useFormTranslation'
+import { userSchema } from '../models/User'
+import { FormState } from './design/FormState'
+
+const wait = async (ms: number): Promise<void> => {
+  return await new Promise((resolve) => {
+    setTimeout(resolve, ms)
+  })
+}
+
+export const FormExample: React.FC = () => {
+  const { handleUseForm, errors, fetchState, message } = useForm(userSchema)
+  const { getFirstErrorTranslation } = useFormTranslation()
+  const { t } = useTranslation()
+
+  const onSubmit: HandleUseFormCallback<typeof userSchema> = async (
+    formData,
+    formElement
+  ) => {
+    await wait(4000)
+    console.log('onSubmit:', formData)
+    formElement.reset()
+    return {
+      type: 'success',
+      message: t('common:success')
+    }
+  }
+
+  return (
+    <section>
+      <Form
+        className='mt-6 w-[90%] max-w-xs'
+        noValidate
+        onSubmit={handleUseForm(onSubmit)}
+      >
+        <Input
+          type='text'
+          placeholder={t('common:name')}
+          name='name'
+          label={t('common:name')}
+          error={getFirstErrorTranslation(errors.name)}
+        />
+
+        <Input
+          type='text'
+          placeholder='Email'
+          name='email'
+          label='Email'
+          error={getFirstErrorTranslation(errors.email)}
+        />
+
+        <Button className='mt-6 w-full' type='submit'>
+          Submit
+        </Button>
+      </Form>
+      <FormState id='message' state={fetchState} message={message} />
+    </section>
+  )
+}

example/components/Header/Header.tsx

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+import { Language } from './Language'
+import { SwitchTheme } from './SwitchTheme'
+
+export const Header: React.FC = () => {
+  return (
+    <header className='flex justify-center mt-6'>
+      <Language />
+      <SwitchTheme />
+    </header>
+  )
+}

example/components/Header/Language/Arrow.tsx

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+export const Arrow: React.FC = () => {
+  return (
+    <svg
+      width='12'
+      height='8'
+      viewBox='0 0 12 8'
+      fill='none'
+      xmlns='http://www.w3.org/2000/svg'
+    >
+      <path
+        className='fill-current text-black dark:text-white'
+        d='M9.8024 0.292969L5.61855 4.58597L1.43469 0.292969L0.0566406 1.70697L5.61855 7.41397L11.1805 1.70697L9.8024 0.292969Z'
+      />
+    </svg>
+  )
+}

example/components/Header/Language/LanguageFlag.tsx

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+import Image from 'next/image'
+
+export interface LanguageFlagProps {
+  language: string
+}
+
+export const LanguageFlag: React.FC<LanguageFlagProps> = (props) => {
+  const { language } = props
+
+  return (
+    <>
+      <Image
+        quality={100}
+        width={35}
+        height={35}
+        src={`/images/languages/${language}.svg`}
+        alt={language}
+      />
+      <p data-cy='language-flag-text' className='mx-2 text-base'>
+        {language.toUpperCase()}
+      </p>
+    </>
+  )
+}

example/components/Header/Language/index.tsx

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+import { useCallback, useEffect, useState, useRef } from 'react'
+import useTranslation from 'next-translate/useTranslation'
+import setLanguage from 'next-translate/setLanguage'
+import classNames from 'clsx'
+
+import i18n from '../../../i18n.json'
+import { Arrow } from './Arrow'
+import { LanguageFlag } from './LanguageFlag'
+
+export const Language: React.FC = () => {
+  const { lang: currentLanguage } = useTranslation()
+  const [hiddenMenu, setHiddenMenu] = useState(true)
+  const languageClickRef = useRef<HTMLDivElement | null>(null)
+
+  const handleHiddenMenu = useCallback(() => {
+    setHiddenMenu((oldHiddenMenu) => !oldHiddenMenu)
+  }, [])
+
+  useEffect(() => {
+    const handleClickEvent = (event: MouseEvent): void => {
+      if (languageClickRef.current == null || event.target == null) {
+        return
+      }
+      if (!languageClickRef.current.contains(event.target as Node)) {
+        setHiddenMenu(true)
+      }
+    }
+
+    window.document.addEventListener('click', handleClickEvent)
+
+    return () => {
+      return window.removeEventListener('click', handleClickEvent)
+    }
+  }, [])
+
+  const handleLanguage = async (language: string): Promise<void> => {
+    await setLanguage(language)
+  }
+
+  return (
+    <div className='flex cursor-pointer flex-col items-center justify-center'>
+      <div
+        ref={languageClickRef}
+        data-cy='language-click'
+        className='mr-5 flex items-center'
+        onClick={handleHiddenMenu}
+      >
+        <LanguageFlag language={currentLanguage} />
+        <Arrow />
+      </div>
+
+      <ul
+        data-cy='languages-list'
+        className={classNames(
+          'absolute top-14 z-10 mt-3 mr-4 flex w-24 list-none flex-col items-center justify-center rounded-lg bg-white p-0 shadow-lightFlag dark:bg-black dark:shadow-darkFlag',
+          { hidden: hiddenMenu }
+        )}
+      >
+        {i18n.locales.map((language, index) => {
+          if (language === currentLanguage) {
+            return null
+          }
+          return (
+            <li
+              key={index}
+              className='flex h-12 w-full items-center justify-center pl-2 hover:bg-[#4f545c] hover:bg-opacity-20'
+              onClick={async () => await handleLanguage(language)}
+            >
+              <LanguageFlag language={language} />
+            </li>
+          )
+        })}
+      </ul>
+    </div>
+  )
+}

example/components/Header/SwitchTheme.tsx

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+import { useEffect, useState } from 'react'
+import { useTheme } from 'next-themes'
+
+export const SwitchTheme: React.FC = () => {
+  const [mounted, setMounted] = useState(false)
+  const { theme, setTheme } = useTheme()
+
+  useEffect(() => {
+    setMounted(true)
+  }, [])
+
+  if (!mounted) {
+    return null
+  }
+
+  const handleClick = (): void => {
+    setTheme(theme === 'dark' ? 'light' : 'dark')
+  }
+
+  return (
+    <>
+      <div
+        className='flex items-center'
+        data-cy='switch-theme-click'
+        onClick={handleClick}
+      >
+        <div className='toggle-theme-button relative inline-block cursor-pointer bg-transparent'>
+          <div className='toggle-track'>
+            <div
+              data-cy='switch-theme-dark'
+              className='toggle-track-check absolute'
+            >
+              <span className='toggle_Dark relative flex items-center justify-center'>
+                🌜
+              </span>
+            </div>
+            <div
+              data-cy='switch-theme-light'
+              className='toggle-track-x absolute'
+            >
+              <span className='toggle_Light relative flex items-center justify-center'>
+                🌞
+              </span>
+            </div>
+          </div>
+          <div className='toggle-thumb absolute' />
+          <input
+            data-cy='switch-theme-input'
+            type='checkbox'
+            aria-label='Dark mode toggle'
+            className='toggle-screenreader-only absolute overflow-hidden'
+            defaultChecked
+          />
+        </div>
+      </div>
+
+      <style jsx>
+        {`
+          .toggle-theme-button {
+            touch-action: pan-x;
+            border: 0;
+            padding: 0;
+            user-select: none;
+          }
+          .toggle-track {
+            width: 50px;
+            height: 24px;
+            padding: 0;
+            border-radius: 30px;
+            background-color: #4d4d4d;
+            transition: all 0.2s ease;
+            color: #fff;
+          }
+          .toggle-track-check {
+            width: 14px;
+            height: 10px;
+            top: 0;
+            bottom: 0;
+            margin-top: auto;
+            margin-bottom: auto;
+            line-height: 0;
+            left: 8px;
+            opacity: ${theme === 'dark' ? 1 : 0};
+            transition: opacity 0.25s ease;
+          }
+          .toggle-track-x {
+            width: 10px;
+            height: 10px;
+            top: 0;
+            bottom: 0;
+            margin-top: auto;
+            margin-bottom: auto;
+            line-height: 0;
+            right: 10px;
+            opacity: ${theme === 'dark' ? 0 : 1};
+          }
+          .toggle_Dark,
+          .toggle_Light {
+            height: 10px;
+            width: 10px;
+          }
+          .toggle-thumb {
+            left: ${theme === 'dark' ? '27px' : '0px'};
+            width: 22px;
+            height: 22px;
+            border: 1px solid #4d4d4d;
+            border-radius: 50%;
+            background-color: #fafafa;
+            box-sizing: border-box;
+            transition: all 0.25s ease;
+            top: 1px;
+            color: #fff;
+          }
+          .toggle-screenreader-only {
+            border: 0;
+            clip: rect(0 0 0 0);
+            height: 1px;
+            margin: -1px;
+            padding: 0;
+            width: 1px;
+          }
+        `}
+      </style>
+    </>
+  )
+}

example/components/Header/index.ts

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+export * from './Header'

example/components/design/Button.tsx

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+import classNames from 'clsx'
+
+export interface ButtonProps extends React.ComponentPropsWithoutRef<'button'> {}
+
+export const Button: React.FC<ButtonProps> = (props) => {
+  const { children, className, ...rest } = props
+
+  return (
+    <button
+      className={classNames(
+        'py-2 px-6 font-paragraph rounded-lg bg-transparent border  hover:text-white dark:hover:text-black fill-current stroke-current transform transition-colors duration-300 ease-in-out focus:outline-none focus:text-white dark:focus:text-black border-green-800 dark:border-green-400 text-green-800 dark:text-green-400 hover:bg-green-800 focus:bg-green-800 dark:focus:bg-green-400 dark:hover:bg-green-400',
+        className
+      )}
+      {...rest}
+    >
+      {children}
+    </button>
+  )
+}

example/components/design/FormState.tsx

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+import classNames from 'clsx'
+import useTranslation from 'next-translate/useTranslation'
+import type { FetchState as FormStateType } from 'react-component-form'
+
+import { Loader } from './Loader'
+
+export interface FormStateProps extends React.ComponentPropsWithoutRef<'div'> {
+  state: FormStateType
+  message?: string
+  id?: string
+}
+
+export const FormState: React.FC<FormStateProps> = (props) => {
+  const { state, message, id, ...rest } = props
+  const { t } = useTranslation()
+
+  if (state === 'loading') {
+    return (
+      <div data-cy='loader' className='mt-8 flex justify-center'>
+        <Loader />
+      </div>
+    )
+  }
+
+  if (state === 'idle' || message == null) {
+    return null
+  }
+
+  return (
+    <>
+      <div
+        {...rest}
+        className={classNames(
+          props.className,
+          'mt-6 flex max-w-xl items-center text-center font-medium',
+          {
+            'text-red-800 dark:text-red-400': state === 'error',
+            'text-green-800 dark:text-green-400': state === 'success'
+          }
+        )}
+      >
+        <div className='inline bg-cover font-headline' />
+        <span id={id} className='pl-2'>
+          <b>{t(`common:${state}`)}:</b> {message}
+        </span>
+      </div>
+    </>
+  )
+}

example/components/design/Input.tsx

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+import classNames from 'clsx'
+
+import { FormState } from './FormState'
+
+export interface InputProps extends React.ComponentPropsWithRef<'input'> {
+  label: string
+  error?: string
+  className?: string
+}
+
+export const Input: React.FC<InputProps> = (props) => {
+  const { label, name, className, error, ...rest } = props
+
+  return (
+    <div className='flex flex-col'>
+      <div className={classNames('mt-6 mb-2 flex justify-between', className)}>
+        <label className='pl-1' htmlFor={name}>
+          {label}
+        </label>
+      </div>
+      <div className='relative mt-0'>
+        <input
+          className='h-11 w-full rounded-lg border border-transparent bg-[#f1f1f1] px-3 font-paragraph leading-10 text-[#2a2a2a] caret-green-600 focus:border focus:shadow-green focus:outline-none'
+          {...rest}
+          id={name}
+          name={name}
+        />
+        <FormState state={error == null ? 'idle' : 'error'} message={error} />
+      </div>
+    </div>
+  )
+}

example/components/design/Link.tsx

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+import classNames from 'clsx'
+
+export interface LinkProps extends React.ComponentPropsWithoutRef<'a'> {}
+
+export const Link: React.FC<LinkProps> = (props) => {
+  const { children, className, ...rest } = props
+
+  return (
+    <a
+      className={classNames(
+        'text-green-800 hover:underline dark:text-green-400',
+        className
+      )}
+      {...rest}
+    >
+      {children}
+    </a>
+  )
+}

example/components/design/Loader.tsx

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+export interface LoaderProps {
+  width?: number
+  height?: number
+  className?: string
+}
+
+export const Loader: React.FC<LoaderProps> = (props) => {
+  const { width = 50, height = 50 } = props
+
+  return (
+    <div className={props.className}>
+      <div data-cy='progress-spinner' className='progress-spinner'>
+        <svg className='progress-spinner-svg' viewBox='25 25 50 50'>
+          <circle
+            className='progress-spinner-circle'
+            cx='50'
+            cy='50'
+            r='20'
+            fill='none'
+            strokeWidth='2'
+            strokeMiterlimit='10'
+          />
+        </svg>
+      </div>
+
+      <style jsx>
+        {`
+          .progress-spinner {
+            position: relative;
+            margin: 0 auto;
+            width: ${width}px;
+            height: ${height}px;
+          }
+          .progress-spinner::before {
+            content: '';
+            display: block;
+            padding-top: 100%;
+          }
+          .progress-spinner-svg {
+            animation: progress-spinner-rotate 2s linear infinite;
+            height: 100%;
+            transform-origin: center center;
+            width: 100%;
+            position: absolute;
+            top: 0;
+            bottom: 0;
+            left: 0;
+            right: 0;
+            margin: auto;
+          }
+          .progress-spinner-circle {
+            stroke-dasharray: 89, 200;
+            stroke-dashoffset: 0;
+            stroke: #27b05e;
+            animation: progress-spinner-dash 1.5s ease-in-out infinite;
+            stroke-linecap: round;
+          }
+          @keyframes progress-spinner-rotate {
+            100% {
+              transform: rotate(360deg);
+            }
+          }
+          @keyframes progress-spinner-dash {
+            0% {
+              stroke-dasharray: 1, 200;
+              stroke-dashoffset: 0;
+            }
+            50% {
+              stroke-dasharray: 89, 200;
+              stroke-dashoffset: -35px;
+            }
+            100% {
+              stroke-dasharray: 89, 200;
+              stroke-dashoffset: -124px;
+            }
+          }
+        `}
+      </style>
+    </div>
+  )
+}

example/components/design/TextSpecial.tsx

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+import classNames from 'clsx'
+
+export interface TextSpecialProps
+  extends React.ComponentPropsWithoutRef<'span'> {}
+
+export const TextSpecial: React.FC<TextSpecialProps> = (props) => {
+  const { children, className, ...rest } = props
+
+  return (
+    <span
+      className={classNames('text-green-800 dark:text-green-400', className)}
+      {...rest}
+    >
+      {children}
+    </span>
+  )
+}

example/globals.d.ts

@@ -1 +0,0 @@
-declare module '*.jpg'

example/hooks/useFormTranslation.ts

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+import useTranslation from 'next-translate/useTranslation'
+import type { Error } from 'react-component-form'
+
+const knownErrorKeywords = ['minLength', 'maxLength', 'format']
+
+const getErrorTranslationKey = (error: Error): string => {
+  if (knownErrorKeywords.includes(error?.keyword)) {
+    if (
+      error.keyword === 'minLength' &&
+      typeof error.data === 'string' &&
+      error.data.length === 0
+    ) {
+      return 'common:required'
+    }
+    if (error.keyword === 'format') {
+      if (error.params.format === 'email') {
+        return 'common:invalid-email'
+      }
+      return 'common:invalid'
+    }
+    return `common:${error.keyword}`
+  }
+  return 'common:invalid'
+}
+
+export const useFormTranslation = () => {
+  const { t } = useTranslation()
+
+  const getErrorTranslation = (
+    error: Error | undefined
+  ): string | undefined => {
+    if (error != null) {
+      return t(getErrorTranslationKey(error)).replace(
+        '{expected}',
+        error?.params?.limit
+      )
+    }
+    return undefined
+  }
+
+  const getFirstErrorTranslation = (
+    errors: Error[] | undefined
+  ): string | undefined => {
+    if (errors != null) {
+      return getErrorTranslation(errors[0])
+    }
+    return undefined
+  }
+
+  return { getFirstErrorTranslation, getErrorTranslation }
+}

example/i18n.json

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+{
+  "locales": ["en", "fr"],
+  "defaultLocale": "en",
+  "pages": {
+    "*": ["common"]
+  }
+}

example/index.css

@@ -1,112 +0,0 @@
-*,
-*::after,
-*::before {
-  box-sizing: border-box;
-}
-body {
-  margin: 0;
-  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
-    'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji',
-    'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
-  font-size: 1rem;
-  font-weight: 400;
-  line-height: 1.5;
-  color: #212529;
-  text-align: left;
-  background-color: #fff;
-}
-h1,
-h2,
-h3,
-h4,
-h5,
-h6 {
-  font-weight: 500;
-  line-height: 1.2;
-}
-h2 {
-  font-size: 2rem;
-}
-h4 {
-  font-size: 1.5rem;
-}
-h5 {
-  font-size: 1.25rem;
-}
-
-.container {
-  display: flex;
-  flex-direction: column;
-  justify-content: center;
-  align-items: center;
-}
-.result-container {
-  border-top: 0.2px solid lightgray;
-  border-bottom: 0.2px solid lightgray;
-  width: 100%;
-  text-align: center;
-}
-.github-logo {
-  position: fixed;
-  top: 10px;
-  right: 10px;
-}
-.title-install {
-  color: gray;
-  margin-bottom: 50px;
-  margin-top: 0;
-}
-
-form {
-  margin-bottom: 40px;
-}
-label {
-  display: inline-block;
-  margin-bottom: 0.5rem;
-}
-.form-group {
-  margin-bottom: 1rem;
-}
-.form-control {
-  display: block;
-  width: 100%;
-  height: calc(1.5em + 0.75rem + 2px);
-  padding: 0.375rem 0.75rem;
-  font-size: 1rem;
-  font-weight: 400;
-  line-height: 1.5;
-  color: #495057;
-  background-color: #fff;
-  background-clip: padding-box;
-  border: 1px solid #ced4da;
-  border-radius: 0.25rem;
-  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
-}
-.btn {
-  display: inline-block;
-  font-weight: 400;
-  color: #212529;
-  text-align: center;
-  vertical-align: middle;
-  -webkit-user-select: none;
-  user-select: none;
-  background-color: transparent;
-  border: 1px solid transparent;
-  padding: 0.375rem 0.75rem;
-  font-size: 1rem;
-  line-height: 1.5;
-  border-radius: 0.25rem;
-  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out,
-    border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
-  cursor: pointer;
-}
-.btn-primary {
-  color: #fff;
-  background-color: #007bff;
-  border-color: #007bff;
-}
-.btn-primary:hover {
-  color: #fff;
-  background-color: #0069d9;
-  border-color: #0062cc;
-}

example/index.html

@@ -1,13 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-  <head>
-    <meta charset="UTF-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <link rel="shortcut icon" href="./github.jpg" type="image/jpg" />
-    <title>react-component-form</title>
-  </head>
-  <body>
-    <div id="root"></div>
-    <script type="module" src="./index.tsx"></script>
-  </body>
-</html>

example/index.tsx

@@ -1,38 +0,0 @@
-import { createRoot } from 'react-dom/client'
-import React from 'react'
-import { Form, useForm } from 'react-component-form'
-import type { HandleUseFormCallback } from 'react-component-form'
-
-const schema = {
-  inputName: {
-    type: 'string',
-    minLength: 3,
-    maxLength: 20
-  }
-}
-
-export const Example = () => {
-  const { errors, handleUseForm } = useForm(schema)
-
-  const onSubmit: HandleUseFormCallback<typeof schema> = (
-    formData,
-    formElement
-  ) => {
-    console.log(formData) // { inputName: 'value of the input validated' }
-    formElement.reset()
-    return null
-  }
-
-  return (
-    <Form onSubmit={handleUseForm(onSubmit)}>
-      <input type='text' name='inputName' />
-      {errors.inputName != null && <p>{errors.inputName[0].message}</p>}
-
-      <button type='submit'>Submit</button>
-    </Form>
-  )
-}
-
-const container = document.getElementById('root') as HTMLElement
-const root = createRoot(container)
-root.render(<Example />)

example/locales/en/common.json

@@ -0,0 +1,15 @@
+{
+  "about": "This is an example of using <0>`react-component-form`</0> inside a Next.js application. The application shows how to use the <0>`{`<Form />`}`</0> component with the <0>`useForm`</0> hook to validate and submit a form with a <0>`name`</0> and an <0>`email`</0> input.",
+  "name": "Name",
+  "error": "Error",
+  "success": "Success",
+  "success-message": "The form has been submitted.",
+  "page-not-found": "This page could not be found.",
+  "server-error": "Internal Server Error.",
+  "return-to-home-page": "Return to the home page?",
+  "required": "Oops, this field is required 🙈.",
+  "minLength": "The field must contain at least {expected} characters.",
+  "maxLength": "The field must contain at most {expected} characters.",
+  "invalid-email": "Mmm… It seems that this email is not valid 🤔.",
+  "invalid": "Invalid value."
+}

example/locales/fr/common.json

@@ -0,0 +1,15 @@
+{
+  "about": "Ceci est un exemple d'utilisation de <0>`react-component-form`</0> dans une application Next.js. L'application montre comment utiliser le composant <0>`{`<Form />`}`</0> avec le hook <0>`useForm`</0> hook pour valider et soumettre un formulaire avec un input `name` et `email`.",
+  "name": "Nom",
+  "error": "Erreur",
+  "success": "Succès",
+  "success-message": "Le formulaire a été envoyé.",
+  "page-not-found": "Cette page est introuvable.",
+  "server-error": "Erreur interne du serveur.",
+  "return-to-home-page": "Revenir à la page d'accueil ?",
+  "required": "Oups, ce champ est obligatoire 🙈.",
+  "minLength": "Le champ doit contenir au moins {expected} caractères.",
+  "maxLength": "Le champ doit contenir au plus {expected} caractères.",
+  "invalid-email": "Mmm… Il semblerait que cet email ne soit pas valide 🤔.",
+  "invalid": "Valeur invalide."
+}

example/models/User.ts

@@ -0,0 +1,10 @@
+import { Static, Type } from '@sinclair/typebox'
+
+export const userSchema = {
+  name: Type.String({ minLength: 3, maxLength: 10 }),
+  email: Type.String({ minLength: 1, maxLength: 254, format: 'email' })
+}
+
+export const userObjectSchema = Type.Object(userSchema)
+
+export type User = Static<typeof userObjectSchema>

example/next.config.js

@@ -0,0 +1,8 @@
+const nextTranslate = require('next-translate');
+
+/** @type {import('next').NextConfig} */
+const nextConfig = {
+  reactStrictMode: true
+}
+
+module.exports = nextTranslate(nextConfig)

example/package.json

@@ -1,22 +1,31 @@
 {
   "name": "example",
-  "type": "module",
+  "version": "1.0.0",
   "private": true,
   "scripts": {
-    "start": "parcel index.html",
-    "build": "parcel build index.html --public-url \"/react-component-form/\""
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
+    "lint": "next lint"
   },
   "dependencies": {
-    "react": "file:../node_modules/react",
+    "clsx": "1.2.1",
+    "next": "12.2.5",
+    "next-themes": "0.2.0",
+    "next-translate": "1.5.0",
+    "react": "18.2.0",
     "react-component-form": "file:..",
-    "react-dom": "file:../node_modules/react-dom"
+    "react-dom": "18.2.0"
   },
   "devDependencies": {
-    "@parcel/transformer-image": "2.7.0",
+    "@types/node": "18.7.13",
     "@types/react": "18.0.17",
     "@types/react-dom": "18.0.6",
-    "parcel": "2.7.0",
-    "process": "^0.11.10",
-    "typescript": "4.7.4"
+    "autoprefixer": "10.4.8",
+    "eslint": "8.22.0",
+    "eslint-config-next": "12.2.5",
+    "postcss": "8.4.16",
+    "tailwindcss": "3.1.8",
+    "typescript": "4.8.2"
   }
 }

example/pages/_app.tsx

@@ -0,0 +1,14 @@
+import type { AppProps } from 'next/app'
+import { ThemeProvider } from 'next-themes'
+
+import '../styles/globals.css'
+
+const MyApp = ({ Component, pageProps }: AppProps): JSX.Element => {
+  return (
+    <ThemeProvider attribute='class' defaultTheme='light'>
+      <Component {...pageProps} />
+    </ThemeProvider>
+  )
+}
+
+export default MyApp

example/pages/_document.tsx

@@ -0,0 +1,15 @@
+import { Html, Head, Main, NextScript } from 'next/document'
+
+const Document: React.FC = () => {
+  return (
+    <Html>
+      <Head />
+      <body className='bg-white text-black dark:bg-black dark:text-white'>
+        <Main />
+        <NextScript />
+      </body>
+    </Html>
+  )
+}
+
+export default Document

example/pages/index.tsx

@@ -0,0 +1,30 @@
+import type { GetStaticProps, NextPage } from 'next'
+import Head from 'next/head'
+
+import { About } from '../components/About'
+import { FormExample } from '../components/FormExample'
+import { Header } from '../components/Header'
+
+const Home: NextPage = () => {
+  return (
+    <>
+      <Head>
+        <title>react-component-form</title>
+        <meta name='description' content='Manage React Forms with ease.' />
+        <link rel='icon' href='/favicon.ico' />
+      </Head>
+
+      <Header />
+      <main className='flex flex-col justify-center items-center mt-4'>
+        <About />
+        <FormExample />
+      </main>
+    </>
+  )
+}
+
+export const getStaticProps: GetStaticProps = async () => {
+  return { props: {} }
+}
+
+export default Home

example/postcss.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {}
+  }
+}

example/public/images/languages/en.svg

@@ -0,0 +1,30 @@
+<svg width="60" height="60" viewBox="0 0 60 60" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M46 4.6C41.3 1.7 35.9 0 30 0V4.6H46Z" fill="#ED4C5C"/>
+<path d="M30 9.2H51.6C49.9 7.5 48 5.9 46 4.6H30V9.2Z" fill="white"/>
+<path d="M30 13.8H55.3C54.2 12.1 53 10.6 51.7 9.2H30V13.8Z" fill="#ED4C5C"/>
+<path d="M30 18.4H57.7C57 16.8 56.2 15.2 55.3 13.8H30V18.4Z" fill="white"/>
+<path d="M30 23H59.2C58.8 21.4 58.3 19.9 57.7 18.4H30V23Z" fill="#ED4C5C"/>
+<path d="M30 27.7H59.9C59.8 26.1 59.5 24.6 59.2 23.1H30V27.7Z" fill="white"/>
+<path d="M59.9 27.7H30V30H0C0 30.8 -9.68575e-08 31.5 0.0999999 32.3H59.9C60 31.5 60 30.8 60 30C60 29.2 60 28.4 59.9 27.7Z" fill="#ED4C5C"/>
+<path d="M0.800006 36.9H59.2C59.6 35.4 59.8 33.9 59.9 32.3H0.100006C0.200006 33.8 0.400006 35.4 0.800006 36.9Z" fill="white"/>
+<path d="M2.3 41.5H57.7C58.3 40 58.8 38.5 59.2 36.9H0.800003C1.2 38.5 1.7 40 2.3 41.5Z" fill="#ED4C5C"/>
+<path d="M4.7 46.1H55.3C56.2 44.6 57 43.1 57.7 41.5H2.3C3 43.1 3.8 44.6 4.7 46.1Z" fill="white"/>
+<path d="M8.3 50.7H51.7C53 49.3 54.3 47.7 55.3 46.1H4.7C5.7 47.8 7 49.3 8.3 50.7Z" fill="#ED4C5C"/>
+<path d="M13.9 55.3H46.1C48.2 54 50 52.4 51.7 50.7H8.3C10 52.5 11.9 54 13.9 55.3Z" fill="white"/>
+<path d="M30 60C35.9 60 41.4 58.3 46.1 55.3H13.9C18.6 58.3 24.1 60 30 60Z" fill="#ED4C5C"/>
+<path d="M14 4.6C11.9 5.9 10 7.5 8.3 9.2C6.9 10.6 5.7 12.2 4.7 13.8C3.8 15.3 2.9 16.8 2.3 18.4C1.7 19.9 1.2 21.4 0.8 23C0.4 24.5 0.2 26 0.0999999 27.6C-9.68575e-08 28.4 0 29.2 0 30H30V0C24.1 0 18.7 1.7 14 4.6Z" fill="#428BC1"/>
+<path d="M23 1L23.5 2.5H25L23.8 3.5L24.2 5L23 4.1L21.8 5L22.2 3.5L21 2.5H22.5L23 1Z" fill="white"/>
+<path d="M27 7L27.5 8.5H29L27.8 9.5L28.2 11L27 10.1L25.8 11L26.2 9.5L25 8.5H26.5L27 7Z" fill="white"/>
+<path d="M19 7L19.5 8.5H21L19.8 9.5L20.2 11L19 10.1L17.8 11L18.2 9.5L17 8.5H18.5L19 7Z" fill="white"/>
+<path d="M23 13L23.5 14.5H25L23.8 15.5L24.2 17L23 16.1L21.8 17L22.2 15.5L21 14.5H22.5L23 13Z" fill="white"/>
+<path d="M15 13L15.5 14.5H17L15.8 15.5L16.2 17L15 16.1L13.8 17L14.2 15.5L13 14.5H14.5L15 13Z" fill="white"/>
+<path d="M7 13L7.5 14.5H9L7.8 15.5L8.2 17L7 16.1L5.8 17L6.2 15.5L5 14.5H6.5L7 13Z" fill="white"/>
+<path d="M27 19L27.5 20.5H29L27.8 21.5L28.2 23L27 22.1L25.8 23L26.2 21.5L25 20.5H26.5L27 19Z" fill="white"/>
+<path d="M19 19L19.5 20.5H21L19.8 21.5L20.2 23L19 22.1L17.8 23L18.2 21.5L17 20.5H18.5L19 19Z" fill="white"/>
+<path d="M11 19L11.5 20.5H13L11.8 21.5L12.2 23L11 22.1L9.8 23L10.2 21.5L9 20.5H10.5L11 19Z" fill="white"/>
+<path d="M23 25L23.5 26.5H25L23.8 27.5L24.2 29L23 28.1L21.8 29L22.2 27.5L21 26.5H22.5L23 25Z" fill="white"/>
+<path d="M15 25L15.5 26.5H17L15.8 27.5L16.2 29L15 28.1L13.8 29L14.2 27.5L13 26.5H14.5L15 25Z" fill="white"/>
+<path d="M7 25L7.5 26.5H9L7.8 27.5L8.2 29L7 28.1L5.8 29L6.2 27.5L5 26.5H6.5L7 25Z" fill="white"/>
+<path d="M9.79999 11L11 10.1L12.2 11L11.7 9.5L12.9 8.5H11.4L11 7L10.5 8.5H9.09999L10.3 9.4L9.79999 11Z" fill="white"/>
+<path d="M1.79999 23L2.99999 22.1L4.19999 23L3.69999 21.5L4.89999 20.5H3.49999L2.99999 19L2.49999 20.5H1.49999C1.49999 20.6 1.39999 20.7 1.39999 20.8L2.19999 21.4L1.79999 23Z" fill="white"/>
+</svg>

example/public/images/languages/fr.svg

@@ -0,0 +1,12 @@
+<svg width="35" height="35" viewBox="0 0 35 35" fill="none" xmlns="http://www.w3.org/2000/svg">
+<g clip-path="url(#clip0)">
+<path d="M0 17.5C0 25.1417 4.9 31.6167 11.6667 34.0084V0.991699C4.9 3.38337 0 9.85837 0 17.5Z" fill="#428BC1"/>
+<path d="M35 17.5C35 9.85837 30.1584 3.38337 23.3334 0.991699V34.0084C30.1584 31.6167 35 25.1417 35 17.5Z" fill="#ED4C5C"/>
+<path d="M11.6666 34.0083C13.475 34.65 15.4583 35 17.5 35C19.5416 35 21.525 34.65 23.3333 34.0083V0.991667C21.525 0.35 19.6 0 17.5 0C15.4 0 13.475 0.35 11.6666 0.991667V34.0083Z" fill="white"/>
+</g>
+<defs>
+<clipPath id="clip0">
+<rect width="35" height="35" fill="white"/>
+</clipPath>
+</defs>
+</svg>

example/styles/globals.css

@@ -0,0 +1,3 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;

example/tailwind.config.js

@@ -0,0 +1,18 @@
+/** @type {import('tailwindcss').Config} */
+module.exports = {
+  content: [
+    './pages/**/*.{js,ts,jsx,tsx}',
+    './components/**/*.{js,ts,jsx,tsx}'
+  ],
+  darkMode: 'class',
+  theme: {
+    extend: {
+      colors: {
+        black: '#212121',
+        success: '#45C85A',
+        error: '#C84545'
+      }
+    }
+  },
+  plugins: []
+}

example/tsconfig.json

@@ -1,12 +1,20 @@
 {
   "compilerOptions": {
-    "module": "ESNext",
-    "lib": ["ESNext", "DOM", "DOM.Iterable"],
     "target": "ESNext",
-    "jsx": "react",
-    "moduleResolution": "node",
-    "sourceMap": true,
+    "module": "ESNext",
+    "lib": ["dom", "dom.iterable", "esnext"],
+    "allowJs": true,
+    "skipLibCheck": true,
     "strict": true,
-    "esModuleInterop": true
-  }
+    "forceConsistentCasingInFileNames": true,
+    "noEmit": true,
+    "esModuleInterop": true,
+    "moduleResolution": "node",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "jsx": "preserve",
+    "incremental": true
+  },
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx"],
+  "exclude": ["node_modules"]
 }

src/hooks/useForm.ts

@@ -48,8 +48,8 @@ export interface UseFormResult<K extends Schema> {
   /**
    * Global message of the form (not specific to a property).
    */
-  readonly message: string | null
-  setMessage: React.Dispatch<React.SetStateAction<string | null>>
+  readonly message?: string
+  setMessage: React.Dispatch<React.SetStateAction<string | undefined>>
 
   /**
    * Errors for each property.
@@ -69,7 +69,7 @@ export const useForm = <K extends Schema>(
   }, [validationSchema])
 
   const [fetchState, setFetchState] = useFetchState()
-  const [message, setMessage] = useState<string | null>(null)
+  const [message, setMessage] = useState<string | undefined>(undefined)
   const [errors, setErrors] = useState<ErrorsObject<typeof validationSchema>>(
     {} as any
   )
@@ -81,7 +81,7 @@ export const useForm = <K extends Schema>(
   const handleUseForm: HandleUseForm<typeof validationSchema> = (callback) => {
     return async (formData, formElement) => {
       setErrors({} as any)
-      setMessage(null)
+      setMessage(undefined)
       formData = handleOptionalEmptyStringToNull(
         formData,
         validationSchemaObject.required
@@ -110,7 +110,7 @@ export const useForm = <K extends Schema>(
             formElement
           )
           if (message != null) {
-            const { value = null, type, properties } = message
+            const { value = undefined, type, properties } = message
             setMessage(value)
             setFetchState(type)
             if (type === 'error') {