dbrans-react-maskedinput
Masked <input/> React component
Last updated 5 years ago by dbrans .
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MaskedInput

A React component for <input> masking, built on top of inputmask-core.

Live Demo

Install

npm

MaskedInput can be used on the server, or bundled for the client using an npm-compatible packaging system such as Browserify or webpack.

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.

You can find it in the /dist directory.

Usage

Give MaskedInput a pattern and an onChange callback:

var React = require('react')
var MaskedInput = require('react-maskedinput')

var CreditCardDetails = React.createClass({
  state: {
    card: '',
    expiry: '',
    ccv: ''
  },

  _onChange(e) {
    var stateChange = {}
    stateChange[e.target.name] = e.target.value
    this.setState(stateChange)
  },

  render() {
    return <div className="CreditCardDetails">
      <label>
        Card Number:{' '}
        <MaskedInput pattern="1111 1111 1111 1111" name="card" size="20" onChange={this._onChange}/>
      </label>
      <label>
        Expiry Date:{' '}
        <MaskedInput pattern="11/1111" name="expiry" placeholder="mm/yyyy" onChange={this._onChange}/>
      </label>
      <label>
        CCV:{' '}
        <MaskedInput pattern="111" name="ccv" onChange={this._onChange}/>
      </label>
    </div>
  }
})

Create some wrapper components if you have a masking configuration which will be reused:

var CustomInput = React.createClass({
  render() {
    return <MaskedInput
      pattern="1111-WW-11"
      placeholder="1234-WW-12"
      size="11"
      {...this.props}
      formatCharacters={{
        'W': {
          validate(char) { return /\w/.test(char ) },
          transform(char) { return char.toUpperCase() }
        }
      }
    }/>
  }
})

Props

pattern : 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 .length
  • onKeyDown, onKeyPress & onPaste - will each trigger a call to onChange when necessary

MIT Licensed

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  • 2.0.0                                ...           latest (5 years ago)

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  • 2.0.0                                ...           5 years ago
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