React IMask Plugin

react-imask

Install

npm install react-imask

Mask Input Example

import { useRef } from 'react';
import { IMaskInput } from 'react-imask';

// use ref to get access to internal "masked = ref.current.maskRef"
const ref = useRef(null);
<IMaskInput
  mask={Number}
  radix="."
  value="123"
  unmask={true} // true|false|'typed'
  ref={ref}
  inputRef={el => this.input = el}  // access to nested input
  // DO NOT USE onChange TO HANDLE CHANGES!
  // USE onAccept INSTEAD
  onAccept={
    // depending on prop above first argument is
    // `value` if `unmask=false`,
    // `unmaskedValue` if `unmask=true`,
    // `typedValue` if `unmask='typed'`
    (value, mask) => console.log(value)
  }
  // ...and more mask props in a guide

  // input props also available
  placeholder='Enter number here'
/>

Extend Existing Components

import { IMaskMixin } from 'react-imask';

// extend style component
const StyledInput = styled.input`
  color: green;
`;

const MaskedStyledInput = IMaskMixin(({inputRef, ...props}) => (
  <StyledInput
    {...props}
    innerRef={inputRef}  // bind internal input (if you use styled-components V4, use "ref" instead "innerRef")
  />
));

<MaskedStyledInput
  mask={Number}
  radix="."
  onAccept={(value, mask) => console.log(value)}
  // ...and more mask props in a guide

  // ...other styled props
/>

More options see in a guide.

Using hook

import { useState } from 'react';
import { useIMask } from 'react-imask';

function IMaskWithHook () {
  const [ opts, setOpts ] = useState({ mask: Number });
  const {
    ref,
    maskRef,
    value,
    setValue,
    unmaskedValue,
    setUnmaskedValue,
    typedValue,
    setTypedValue,
  } = useIMask(opts);
  
  return (
    <input ref={ref} />
  );
}

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