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react-tokenized-input

v1.1.1

Published

Simple tagging component ready to drop in your React projects.

Downloads

6

Readme

React Tag Autocomplete

Build status Coverage Status

React Tag Autocomplete is a simple tagging component ready to drop in your React projects. Originally based on the React Tags project by Prakhar Srivastav this version removes the drag-and-drop re-ordering functionality, adds appropriate roles and ARIA states and introduces a resizing text input. React Tag Autocomplete is compatible with Preact >= 6.0.0.

React Tags Autocomplete

Installation

The preferred way of using the component is via NPM

npm install --save react-tag-autocomplete

Usage

Here's a sample implementation that initializes the component with a list of preselected tags and a suggestions list. For more details, go through the API.

var ReactTags = require('react-tag-autocomplete');

var App = React.createClass({
  getInitialState: function () {
    return {
      tags: [
        { id: 1, name: "Apples" },
        { id: 2, name: "Pears" }
      ],
      suggestions: [
        { id: 3, name: "Bananas" },
        { id: 4, name: "Mangos" },
        { id: 5, name: "Lemons" },
        { id: 6, name: "Apricots" }
      ]
    }
  },
  handleDelete: function (i) {
    var tags = this.state.tags.slice(0)
    tags.splice(i, 1)
    this.setState({ tags: tags })
  },
  handleAddition: function (tag) {
    var tags = this.state.tags.concat(tag)
    this.setState({ tags: tags })
  },
  render: function () {
    return (
      <ReactTags
        tags={this.state.tags}
        suggestions={this.state.suggestions}
        handleDelete={this.handleDelete}
        handleAddition={this.handleAddition} />
    )
  }
})

React.render(<App />, document.getElementById('app'))

Options

tags (optional)

An array of tags that are displayed as pre-selected. Each tag must have an id and a name property. Default: [].

var tags =  [
  { id: 1, name: "Apples" },
  { id: 2, name: "Pears" }
]

suggestions (optional)

An array of suggestions that are used as basis for showing suggestions. Each suggestion must have an id and a name property and an optional disabled property. Default: [].

var suggestions = [
  { id: 3, name: "Bananas" },
  { id: 4, name: "Mangos" },
  { id: 5, name: "Lemons" },
  { id: 6, name: "Apricots", disabled: true }
]

placeholder (optional)

The placeholder string shown for the input. Default: 'Add new tag'.

autofocus (optional)

Boolean parameter to control whether the text-input should be autofocused on mount. Default: true.

autoresize (optional)

Boolean parameter to control whether the text-input should be automatically resized to fit its value. Default: true.

minQueryLength (optional)

How many characters are needed for suggestions to appear. Default: 2.

maxSuggestionsLength (optional)

Maximum number of suggestions to display. Default: 6.

classNames (optional)

Override the default class names. Defaults:

{
  root: 'react-tags',
  rootFocused: 'is-focused',
  selected: 'react-tags__selected',
  selectedTag: 'react-tags__selected-tag',
  selectedTagName: 'react-tags__selected-tag-name',
  search: 'react-tags__search',
  searchInput: 'react-tags__search-input',
  suggestions: 'react-tags__suggestions',
  suggestionActive: 'is-active',
  suggestionDisabled: 'is-disabled'
}

handleAddition (required)

Function called when the user wants to add a tag. Receives the tag.

function (tag) {
  // Add the tag { id, name } to the tag list
  tags.push(tag)
}

handleDelete (required)

Function called when the user wants to delete a tag. Receives the tag index.

function (i) {
  // Delete the tag at index i
  tags.splice(i, 1)
}

handleInputChange (optional)

Optional event handler when the input changes. Receives the current input value.

function (input) {
  if (!this.state.busy) {
    this.setState({ busy: true })

    return fetch(`query=${input}`).then(function (result) {
      this.setState({ busy: false })
    })
  }
}

allowNew (optional)

Allows users to add new (not suggested) tags. Default: false.

allowBackspace (optional)

Disables ability to delete the selected tags when backspace is pressed while focussed on the text input. Default: true.

tagComponent (optional)

Provide a custom tag component to render. Default: null.

Styling

It is possible to customize the look of the component the way you want it. An example can be found in /example/styles.css.

Development

The component is written in ES6 and uses Webpack as its build tool.

npm install
npm run dev # open http://localhost:8080

Upgrading from 4.x to 5.x

  1. The delimiters option has been removed, any references to this will now be ignored.
  2. The classNames option has been updated:
{
-  root: 'ReactTags',
-  tagInput: 'ReactTags__tagInput',
-  selected: 'ReactTags__selected',
-  tag: 'ReactTags__tag',
-  tagName: 'ReactTags__tagName',
-  suggestions: 'ReactTags__suggestions',
-  isActive: 'is-active',
-  isDisabled: 'is-disabled'
+  root: 'react-tags',
+  rootFocused: 'is-focused',
+  selected: 'react-tags__selected',
+  selectedTag: 'react-tags__selected-tag',
+  selectedTagName: 'react-tags__selected-tag-name',
+  search: 'react-tags__search',
+  searchInput: 'react-tags__search-input',
+  suggestions: 'react-tags__suggestions',
+  suggestionActive: 'is-active',
+  suggestionDisabled: 'is-disabled'
}

For smaller changes refer to the changelog.