Chakra Factory

Chakra factory serves as an object of chakra enabled JSX elements, and also a function that can be used to enable custom component receive chakra's style props.

import { chakra } from "@chakra-ui/react"

Chakra JSX Elements#

Create base html elements with theme-aware style props using chakra.<element> notation. For example, if you want a plain html button with ability to pass chakra styles, you can write <chakra.button />.

<chakra.button
px='3'
py='2'
bg='green.200'
rounded='md'
_hover={{ bg: 'green.300' }}
>
Click me
</chakra.button>

This reduces the need to create custom component wrappers and name them. This syntax is available for common html elements. See the reference for the full list of elements supported.

<chakra.h1 fontSize='lg'> Heading </chakra.h1>

Chakra factory function#

This is a function that converts non-chakra components or jsx element to chakra-enabled components so you can pass style props to them.

Consider a package called react-input-autoresize, let's use the chakra factory function to make possible to pass style props.

The function will infer the prop types from the wrapped component and also add chakra style props.

import { chakra } from '@chakra-ui/react'
import Textarea from 'react-input-autoresize'
const AutoResizeInput = chakra(Textarea)
function Example() {
return <AutoResizeInput bg='red.200' fontSize='12px' />
}

Considering that Chakra uses emotion under the hood, ensure the non-chakra component accepts className as props for this to work correctly

Attaching styles#

In some instances, you might need to attach specific styles to the component wrapped in the chakra factory

const AutoResizeInput = chakra(AutoResizeInput, {
baseStyle: {
bg: 'papayawhip',
color: 'red.500',
},
})

You can also use the chakra factory on jsx elements as well.

const Card = chakra('div', {
baseStyle: {
shadow: 'lg',
rounded: 'lg',
bg: 'white',
},
})

Allowing custom props to be forwarded#

By default, the chakra factory only filters chakra related style props from getting to the DOM. For more fine-grained control of how and what prop should be forwarded, pass the shouldForwardProp option.

Here's a simple example that allows all props (including chakra's style props) to pass through except the sample prop.

const Div = chakra('div', {
shouldForwardProp: (prop) => !['sample'].includes(prop),
})

Another example that combines the default shouldForwardProp from Chakra UI with custom logic.

import { chakra, shouldForwardProp } from '@chakra-ui/react'
const Div = chakra('div', {
shouldForwardProp: (prop) => {
// don't forward Chakra's props
const isChakraProp = !shouldForwardProp(prop)
if (isChakraProp) return false
// else, only forward `sample` prop
return ['sample'].includes(prop)
},
})

To filter non-HTML attributes, you can leverage @emotion/is-prop-valid package.

import isValidHTMLProp from '@emotion/is-prop-valid'
import { chakra, shouldForwardProp } from '@chakra-ui/react'
const Div = chakra('div', {
shouldForwardProp: (prop) => {
// don't forward Chakra's props
const isChakraProp = !shouldForwardProp(prop)
if (isChakraProp) return false
// forward valid HTML props
const isValidProp = isValidHTMLProp(prop)
if (isValidProp) return true
// else, only forward `sample` prop
return ['sample'].includes(prop)
},
})

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