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(MaskedInput
A React component for <input> masking, built on top of inputmask-core.
Live Demo
Install
npm
npm install react-maskedinput --save
Browser bundle
The browser bundle exposes a global MaskedInput variable and expects to find a global React variable to work with.
- react-maskedinput.js (development version)
- react-maskedinput.min.js (compressed production version)
Usage
Give MaskedInput a mask and an onChange callback:
import React from 'react'
import MaskedInput from 'react-maskedinput'
class CreditCardDetails extends React.Component {
state = {
card: '',
expiry: '',
ccv: ''
}
_onChange = (e) => {
this.setState({[e.target.name]: e.target.value})
}
render() {
return <div className="CreditCardDetails">
<label>
Card Number:{' '}
<MaskedInput mask="1111 1111 1111 1111" name="card" size="20" onChange={this._onChange}/>
</label>
<label>
Expiry Date:{' '}
<MaskedInput mask="11/1111" name="expiry" placeholder="mm/yyyy" onChange={this._onChange}/>
</label>
<label>
CCV:{' '}
<MaskedInput mask="111" name="ccv" onChange={this._onChange}/>
</label>
</div>
}
}
Create some wrapper components if you have a masking configuration which will be reused:
function CustomInput(props) {
return <MaskedInput
mask="1111-WW-11"
placeholder="1234-WW-12"
size="11"
{...props}
formatCharacters={{
'W': {
validate(char) { return /\w/.test(char ) },
transform(char) { return char.toUpperCase() }
}
}}
/>
}
Props
mask : string
The masking pattern to be applied to the <input>.
See the inputmask-core docs for supported formatting characters.
onChange : (event: SyntheticEvent) => any
A callback which will be called any time the mask's value changes.
This will be passed a SyntheticEvent with the input accessible via event.target as usual.
Note: this component currently calls onChange directly, it does not generate an onChange event which will bubble up like a regular <input> component, so you must pass an onChange if you want to get a value back out.
formatCharacters: Object
Customised format character definitions for use in the pattern.
See the inputmask-core docs for details of the structure of this object.
placeholderChar: string
Customised placeholder character used to fill in editable parts of the pattern.
See the inputmask-core docs for details.
value : string
A default value for the mask.
placeholder : string
A default placeholder will be generated from the mask's pattern, but you can pass a placeholder prop to provide your own.
size : number, string
By default, the rendered <input>'s size will be the length of the pattern, but you can pass a size prop to override this.
Other props
Any other props passed in will be passed as props to the rendered <input>, except for the following, which are managed by the component:
maxLength- will always be equal to the pattern's.lengthonKeyDown,onKeyPress&onPaste- will each trigger a call toonChangewhen necessary