K

JsonInput

Capture json data from user
Import

Usage

JsonInput is based on Textarea component, it includes json validation logic and option to format input value:

<JsonInput
label="Your package.json"
placeholder="Textarea will autosize to fit the content"
validationError="Invalid json"
formatOnBlur
autosize
minRows={4}
/>

Controlled

import { useState } from 'react';
import { JsonInput } from '@mantine/core';
function Demo() {
const [value, setValue] = useState('');
return <JsonInput value={value} onChange={setValue} />;
}

Input props

Component supports all props from Input and InputWrapper components:

Radius
Size
<JsonInput
placeholder="Your package.json"
label="Your package.json"
required
/>

Get element ref

You can get textarea ref with elementRef prop:

import { useRef } from 'react';
import { JsonInput } from '@mantine/core';
function Demo() {
const ref = useRef(null);
return <JsonInput elementRef={ref} />;
}

Server side rendering

Component uses use-id hook to generate unique ids and aria- attributes, provide static id prop to prevent props mismatch:

<JsonInput /> // -> random id generated both on client and server, props mismatch warning
<JsonInput id="my-accordion" /> // -> id is static, no mismatches

Accessibility

Provide aria-label in case you use component without label for screen reader support:

<JsonInput label="My json" />; // -> ok, textarea and label is connected
<JsonInput />; // not ok, textarea is not labeled
<JsonInput aria-label="My json" />; // -> ok, label is not visible but will be announced by screen reader
Build fully functional accessible web applications with ease
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