useMuiForm

A custom React hook that provides utilities for form management, especially for Material-UI based forms.

Installation

npm i usemuiform

pnpm add usemuiform

yarn add usemuiform

bun add usemuiform

Usage

type State = {
    email: string
    role: 'root' | 'admin' | 'developer' | 'user' | 'guest'
    racoon: boolean
}

const App: FC = () => {
    const {state, register, forceValidate, clear} = useMuiForm<State>()

    const submit = () => {
        if (forceValidate()) {
            clear()
        }
    }

    // validator example
    const emailValidator: ValidateFunc<string, State> = (value) => {
        if (value.length < 5) return 'Email must be at least 5 characters long'
        if (!value.includes('@')) return 'Email must contain @'
        return true
    }

    // components example
    <TextField
        label='email'
        type='email'
        variant='outlined'
        {...register('email', '', {required: true, validate: emailValidator})}
        fullWidth
    />
    <TextField
        select
        label='role'
        variant='outlined'
        {...register('role', 'root', {})}
        fullWidth
    >
        {
            ['root', 'admin', 'developer', 'user', 'guest'].map(role =>
                <MenuItem key={role} value={role}>{role}</MenuItem>
            )
        }
    </TextField>
    <FormControlLabel
        label="Are you a racoon?"
        control={
            <Checkbox
                {...register('racoon', false, {})}
            />
        }
    />
    <Button variant='contained' onClick={submit}>
        SUBMIT
    </Button>
}

Advanced usage

you can you a custom atom as a state storage

import {atomWithHash} from "jotai-location";
import {atomWithStorage} from "jotai/utils";

const {} = useMuiForm<State>((defaultState) => atom<State>(defaultState))
const {} = useMuiForm<State>((defaultState) => atomWithHash<State>('state', defaultState))
const {} = useMuiForm<State>((defaultState) => atomWithStorage<State>('state', defaultState))

API

useMuiForm(atomProvider?) A custom hook that provides form management utilities.

Parameters:

• atomProvider: (optional) A function that takes a default state and returns an Atom or PrimitiveAtom.

Returns:

• state: The current form state.

• setState: Function to update the form state.

• errors: Object containing any validation errors.

• register: Function to register a form field.

• forceValidate: Function to force validation of the form.

• clear: Function to reset the form state.

• touched: Object indicating which fields have been touched/interacted with.

• isAnyTouched: Boolean indicating if any form field has been touched.

• isChanged: Boolean indicating if the form state has changed from the default.

• register(name, defaultValue, options): Registers a form field.

  Parameters:

  • name: The name of the field.
  • defaultValue: The default value for the field.
  • options : (optional) An object with the following properties:
    • required: Boolean indicating if the field is required.
    • validate: A validation function. <T>(value: T) => T | true
    • format: A formatting function. <T>(value: T) => T
    • disabled: Boolean indicating if the field is disabled.
    • helperText: Helper text for the field.

  Returns:

  • name: The name of the field.
  • value: The current value of the field.
  • onChange: Function to update the value of the field.
  • error: Boolean indicating if the field has a validation error.
  • helperText: Helper text for the field. (contains validation error if present)
  • disabled: Boolean indicating if the field is disabled.

  value is replaced with checked if the default value is a boolean.

Dependencies

• react
• jotai

CHANGELOG