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https://github.com/olahol/react-tagsinput

Highly customizable React component for inputing tags.
https://github.com/olahol/react-tagsinput

input javascript react tags tagsinput

Last synced: 20 days ago
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Highly customizable React component for inputing tags.

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README 

        
# react-tagsinput



[![NPM version][npm-image]][npm-url]

[![Size][size-image]][size-url]

[![Code coverage][codecov-image]][codecov-url]

[![Download count][downloads-image]][downloads-url]

[![js-standard-style][standard-image]][standard-url]



Highly customizable [React](http://facebook.github.io/react/index.html) component for inputing tags.



![Demo](./example/demo.gif)



## Example



```javascript

import React from 'react'

import TagsInput from 'react-tagsinput'



import 'react-tagsinput/react-tagsinput.css'



class Example extends React.Component {

  constructor() {

    super()

    this.state = {tags: []}

  }



  handleChange = (tags) => {

    this.setState({tags})

  }



  render() {

    return 

  }

}

```



## Table of Contents



  * [Example](#example)

  * [Styling](#styling)

  * [Component Interface](#component-interface)

    * [Props](#props)

      * [value (required)](#value-required)

      * [onChange (required)](#onchange-required)

      * [onChangeInput](#onchangeinput)

      * [addKeys](#addkeys)

      * [currentValue](#currentvalue)

      * [inputValue](#inputvalue)

      * [onlyUnique](#onlyunique)

      * [validate](#validate)

      * [validationRegex](#validationregex)

      * [onValidationReject](#onvalidationreject)

      * [disabled](#disabled)

      * [maxTags](#maxtags)

      * [addOnBlur](#addonblur)

      * [addOnPaste](#addonpaste)

      * [pasteSplit](#pastesplit)

      * [removeKeys](#removekeys)

      * [tagProps](#tagprops)

      * [inputProps](#inputprops)

      * [renderTag](#rendertag)

      * [renderInput](#renderinput)

      * [renderLayout](#renderlayout)

      * [preventSubmit](#preventSubmit)

    * [Methods](#methods)

      * [focus()](#focus)

      * [blur()](#blur)

      * [accept()](#accept)

      * [addTag()](#addTag)

      * [clearInput()](#clearInput)

  * [Contributors](#contributors)

  * [Changelog](#changelog)

  * [License](#license)



## Styling



Look at [react-tagsinput.css](./react-tagsinput.css) for a basic style.



## Component Interface



### Props



##### value (required)



An array of tags.



##### onChange (required)



Callback when tags change, gets three arguments `tags` which is the new

tag array, `changed` which is an array of the tags that have changed and

`changedIndexes` which is an array of the indexes that have changed.



##### onChangeInput



Callback from the input box, gets one argument `value` which is the content of the input box.

(onChangeInput is only called if the input box is [controlled](https://facebook.github.io/react/docs/forms.html#controlled-components), for this to happen both inputValue and onChangeInput need to be set)



##### addKeys



An array of [keys](https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/key) or [key codes](https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/which) that add a tag, default is `[9, 13]` (Tab and Enter).



##### currentValue



A string to set a value on the input.



##### inputValue



Similar to `currentValue` but needed for controlling the input box. (inputValue is only useful if you use it together with onChangeInput)



##### onlyUnique



Allow only unique tags, default is `false`.



##### validate



Allow only tags that pass this validation function. Gets one argument `tag` which is the tag to validate. Default is `() => true`.



##### validationRegex



Allow only tags that pass this regex to be added. Default is `/.*/`.



##### onValidationReject



Callback when tags are rejected through validationRegex, passing array of tags as the argument.



##### disabled



Passes the disabled prop to `renderInput` and `renderTag`, by default this

will "disable" the component.



##### maxTags



Allow limit number of tags, default is `-1` for infinite.



##### addOnBlur



Add a tag if input blurs. Default false.



##### addOnPaste



Add a tags if HTML5 paste on input. Default false.



##### pasteSplit



Function that splits pasted text. Default is:



```javascript

function defaultPasteSplit (data) {

  return data.split(' ').map(d => d.trim())

}

```



##### removeKeys



An array of key codes that remove a tag, default is `[8]` (Backspace).



##### className



Specify the wrapper className. Default is `react-tagsinput`.



##### focusedClassName



Specify the class to add to the wrapper when the component is focused. Default is `react-tagsinput--focused`.



##### tagProps



Props passed down to every tag component. Default is:

```javascript

{

  className: 'react-tagsinput-tag',

  classNameRemove: 'react-tagsinput-remove'

}

```



##### inputProps



Props passed down to input. Default is:



```javascript

{

  className: 'react-tagsinput-input',

  placeholder: 'Add a tag'

}

```



##### tagDisplayProp



The tags' property to be used when displaying/adding one. Default is: `null` which causes the tags to be an array of strings.



##### renderTag



Render function for every tag. Default is:



```javascript

function defaultRenderTag (props) {

  let {tag, key, disabled, onRemove, classNameRemove, getTagDisplayValue, ...other} = props

  return (

    

      {getTagDisplayValue(tag)}

      {!disabled &&

         onRemove(key)} />

      }

    

  )

}

```



##### renderInput



Render function for input. Default is:



```javascript

function defaultRenderInput (props) {

  let {onChange, value, addTag, ...other} = props

  return (

    

  )

}

```



*Note: renderInput also receives `addTag` as a prop.*



##### renderLayout



Renders the layout of the component. Takes `tagElements` and `inputElement` as args. Default is:



```javascript

function defaultRenderLayout (tagElements, inputElement) {

  return (

    

      {tagElements}

      {inputElement}

    

  )

}

```



##### preventSubmit



A `boolean` to prevent the default submit event when adding an 'empty' tag.

Default: `true`



Set to `false` if you want the default submit to fire when pressing enter again after adding a tag.



### Methods



##### focus()



Focus on input element.



##### blur()



Blur input element.



##### accept()



Try to add whatever value is currently in input element.



##### addTag(tag)



Convenience method that adds a tag.



##### clearInput()



Clears the input value.



## Contributors





  




## [Changelog](./CHANGELOG.md)



## [License](./LICENSE)



---



[MIT Licensed](https://tldrlegal.com/license/mit-license)



[npm-image]: https://img.shields.io/npm/v/react-tagsinput.svg?style=flat-square

[npm-url]: https://npmjs.org/package/react-tagsinput

[downloads-image]: http://img.shields.io/npm/dm/react-tagsinput.svg?style=flat-square

[downloads-url]: https://npmjs.org/package/react-tagsinput

[standard-image]: https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square

[standard-url]: https://github.com/feross/standard

[size-image]: https://img.badgesize.io/olahol/react-tagsinput/master/react-tagsinput.js.svg?style=flat-square

[size-url]: https://github.com/olahol/react-tagsinput/blob/master/react-tagsinput.js

[codecov-image]: https://img.shields.io/codecov/c/github/olahol/react-tagsinput?style=flat-square

[codecov-url]: https://app.codecov.io/github/olahol/react-tagsinput