ml-react-forms

Create configurable forms

react-form

Hi! This is a react library that builds a form component for you. It uses basic material-ui library for designing and formik library for form action handling.

Installation

npm i react-forms

Getting started with react-forms

import {ReactForm} from 'react-forms'
import React from 'react'

export default const MyReactComponent = () => {
const myConfig = [{
type : 'text',
valueKey : 'myTextField',
fieldProps : { label : 'Sample Text Field' , fullWidth: true } ,
} ]
const myInitialValues = [{ myTextField : '' }]
return ( <div>
<ReactForm
config={myConfig}
initialValues={myInitialValue}
onSubmit = {(values : object) => {console.log(values)}}  
/></div> )
}

Built In Components

Text Field
Autocomplete
Check box
Radio button
Select Field
Switch
Place Suggest Field
Date / Time Picker

Configuration File

Type : The config file is a an array , where each item is an Object or array of Object. Each item represents a row , so if the item contains single object then there will be single component in the row or else the form width will be distributed among the column components. Object Structure : type : string (component you want to render) valueKey : string (unique key used to identify the field) fieldProps: Accept all the default props available in there respective material-ui Api styles: CSS style object to be applied on the wrapper. Each component is wrapped around with a div component.

You don't need to pass any onChange since it all will be handled by the form builder using formik library

Sampe Object Structures

TextField :

{
type : 'text',
valueKey: 'myText'
fieldProps : { ...textFieldProps }
styles : { margin : '0 auto'}
}

textFieldProps = TextFieldProps

SelectField :

{
	type : 'select'
	valueKey: 'mySelect'
	fieldProps : {
		...selectProps
		options :[{name : 'Abc' , value : 'abc'} , {name : 'XYZ' , value : 'xyz'}] 
			}
		styles : { width : '50%' }
}

selectProps = SelectProps

Checkbox

{ 
type : 'checkbox'
valueKey: 'myCheckbox',
fieldProps : { 
    ...checkboxProps , 
    options :[{name : 'Abc' , value : 'abc'} , {name : 'XYZ' , value : 'xyz'}] ,
    header : 'My Checkbox Header',
    formControlLabelProps : formcontrollabelprops,
    formcontrolProps : formcontrolprops
    formHelperTextProps : formhelpertextprops
    }
}

Options can be an Array of string or Array of {name , value} object. This structure is followed by SelectField , Checkbox and Radiobutton. Except options all other props are optional and formControlLabelProps : formcontrollabelprops, formcontrolProps : formcontrolprops formHelperTextProps : formhelpertextprops checkboxProps : CheckboxProps

Radio Button

{
type : 'radio' ,
valueKey : 'myRadio' ,
    fieldProps : {
		...radioProps ,
		options :[{name : 'Abc' , value : 'abc'} , {name : 'XYZ' , value : 'xyz'}],
		formcontrolProps : formcontrolprops
	        formHelperTextProps : formhelpertextprops
}
}

radioProps : RadioButtonProps

Switch

{
type : 'switch' , 
valueKey : 'mySwitch',
fieldProps : { label : 'Demo Switch'
	    ...switchProps
	  }
}

switchProps = SwitchProps

Autocomplete

{
type : 'autocomplete'
valuekey : 'myAutocomplete'
fieldprops : {
	options? : [{name : 'abc'} , {name : 'xyz'}]
	apiUrl? : 'your-api-url',
	params? : {default params},
	getRequestParams : (query:string)=>any
	highlighterProps : {
		highlightText : true,
		highlighColor : 'your-favourite-color,
		highlighterStyles : {
			Css Styling.
			}
		},
		...autocompleteProps
	}
}

autocompleteProps : AutocompleteProps Notes:

Either you provide options or you provide apiUrl to search on the web.
params : are the default parameters that would be passed with the url.
getRequestParams : a function that takes a query and returns additional parameter containing how the search term should be passed with api. (Checkout the examples for more details)
highlighterProps : By default the options are displayed as it is. - highlightText : default false , if true , then default highlighter will be used. - highlightColor : default Yello , if provided the color will override default color. - highlighterStyles : overrides the highlighter CSS styles.

Password

 {
     type : 'password' ,
     valueKey : 'myPassswordField'		  
     fieldProps :{
 		label : 'Enter password',
 		...textFieldProps
 	}
 }

DatePicker / TimePicker :

 {
     type : 'date-picker' or 'time-picker',
     valueKey : 'myPicker',
     fieldProps: {
 	...datePickerProps
 	format : 'DD/MM/YYYY', //output for display
 	outputFormat : 'DD/MM/YYYY', //output in which value would be stored
 }
 }

Place/Location Suggest :

 {
    type : 'location-suggest',
    valueKey : 'myLocationSuggest',
    fieldProps : {
 		textFieldProps  : textfieldprops,
 		llistProps?: ListProps,
 		listItemProps?: IListItemProps,
 		placeAutocompleteProps?: PropTypes,
 		locationNameKey?: 'locationVarName',
 		listContainerStyle?: {css styles}
 }
 }

ListProps IListItemProps

Setting default props

You can set your own default props for a specific field that would be used all over the application. All you need to do is use the setDefaultProps() method and pass the field type and your default props object. *Example : *

import {setDefaultProps} from 'react-forms'
setDefaultProps('text' , {fullWidth : true , color : 'secondary'})

Now this props would be default properties followed throughout the application. And of course if you don't want to use them somewhere then you can pass your own fieldProps in config file.

Add your own Component

If you want to create your own custom component then we have provided a attachField property for you.

import {react , FC} from 'react'
import  {attachField} from 'react-forms'
const YourComponent:FC<> = () =>{
	return <div/>
	}
attachField('your-component',<YourComponent/> ,{default-props})

Adding Condition to your form field.

Just imagine if you want to make a component behave differently based on the state of another component. Well it is possible by passing condition props to the config file. Check this example on sandbox

const config = [{
		type : 'text' ,
		valueKey : 'myText'
	},{
		type " text',
		valueKey : 'myText2'
	},{
		type : 'radio' ,
		valueKey : 'myRadio',
		fieldProps :{
			options : ['option1' , 'option2']
		},
		condition : {
			hidden : true ,
			defaultProps : { same as fieldProps} ,
			truthyProps : { same as fieldProps} ,
			logicOpn : 'AND' | 'OR',
			values : [{
				key : 'myText',
				compareValue : 30 ,
				operator : '==='
			},{
				key : 'myText2',
				compareValue : 'abc ,
				operator : '!=='
			}
			]
		}
	}]

Note:

hidden : if True the component will be rendered if and only if the given conditions are true.
logicOpn : AND or OR
defaultProps : this props will be passed with fieldprops if the necessary conditions are not satisfied.
truthyProps : this props will be passed with fieldProps if the conditions are satisfied.
values : every object in the array contains a - key : which uniquely identifies the field in the form. - compareValue : the value to be compared with the value of the field identified by the key. - operator : comparition operator.

Validating Form Fields

No form is complete without some some constraints or validation. We use YUP library for all kind of field validations. example :

import * as YUP from 'yup'
import { ReactForm } from 'react-forms'
const formValidation = Yup.object({
    offerType: Yup.string().required('Select atleast 1 offer'),
    myText: Yup.number().max(50)
    })
const config = [{
	type : 'text',
	value : 'myText'
},
{
    type: 'radio',
    valueKey: 'offerType',
    fieldProps: {
    options: [{
	    name: 'Offer1',
	    value: 1
	    }, {
	    name: 'Offer2',
	    value: 2
	    }],
    header: 'My Offers',
    }}]
   export default const Example:FC <> =() =>{
	return <div>
			<ReactForm
				config = {config}
				validationSchema = {formValidation}
				onSubmit={(values:object)=>{console.log(values)} />
		</div>
	}

Once you hit the submit button it will perform validation as per the validation schema.

Initial Values

You can provide initial values if you want to the field of your choice. All you need to do is pass an array that looks something like this: [ {valueKey : value} , {valueKey : value} .....]

initVals = [ {myText : 'Init Value' , myCheckBox : ['option_2'] }

Managing Form action

Now the form is filled , what to do next? Well the last thing which the ReactForm takes is an actionConfig object. The Structure

actionConfig = {
    submitButtonText : string,
    submitButtonLayout : 'right'|'center'|'fullwidth'
    submitButtonProps : submitbuttonprops,
    loaderProps : loaderprops,
    actionContent : Custom JSX Component
}

submitbuttonprops loaderprops

Dependencies

mithyalabs/ml-react-forms