Simple and Extensible Tag/Word Cloud React Component

Simple and Extensible Tag/Word Cloud React Component

react-tagcloud. Simple and extensible tag/word cloud React component. Tag/word cloud component for react

react-tagcloud

Simple and extensible tag/word cloud React component.

See the demo.

preview tag-cloud preview

Installation

npm install react-tagcloud

# or with yarn
yarn install react-tagcloud

# react < 16.8.0
npm install [email protected]

Basic usage

import { TagCloud } from 'react-tagcloud'

const data = [
  { value: 'JavaScript', count: 38 },
  { value: 'React', count: 30 },
  { value: 'Nodejs', count: 28 },
  { value: 'Express.js', count: 25 },
  { value: 'HTML5', count: 33 },
  { value: 'MongoDB', count: 18 },
  { value: 'CSS3', count: 20 },
]

const SimpleCloud () => (
  <TagCloud
    minSize={12}
    maxSize={35}
    tags={data}
    onClick={tag => alert(`'${tag.value}' was selected!`)}
  />
)

API

Options

<TagCloud /> component has props listed below:

Option Type Required Note
tags Array true Array of objects that represent tags
maxSize Number true Maximal font size (in px) used in cloud
minSize Number true Minimal font size (in px) used in cloud
shuffle Boolean false If true, tags are shuffled. When tags are modified, cloud is re-shuffled. Default: true
randomNumberGenerator Function false Specifies a custom random number generator that is being used by shuffle algorithm. Default: Math.random
colorOptions Object false Random color options
disableRandomColor Boolean false If true, random color is not used
renderer Function false Function used to render tag

Note: Furthermore you can pass any other prop and it will be forwarded to the wrapping <div /> component (e.g. style, className).

Tag object

Each tag is represented by object literal having following properties:

Property Type Required Note
value String true String value to be displayed
count Number true Represents frequency of the tag that is used to calculate tag size
key String false Tag element key. If it is not provided, value property will be used instead (however it can fail if you don't have unique tag values. It is highly recommeded to use key property)
color String false Represents color of the tag. If it is not provided, random color will be used instead
props Object false Props to be passed to a particular tag component

Events

Event handlers can be passed to the <TagCloud /> props. Each handler has two arguments: the first is related tag object and the second is DOM event object.

Currently supported events: onClick, onDoubleClick, onMouseMove

Note: Feel free to open issue if any other event is needed.

Styles

Default class names are tag-cloud for the wrapping container, and tag-cloud-tag for a particular tag. Styles passed to <TagCloud /> props will be applied to the wrapping container.

Renderer

Rendering of tags can be fully customized by providing custom render function and passing it to the renderer prop. By default is used defaultRenderer. Render function has three arguments - tag, size and color. For example:

import { TagCloud } from 'react-tagcloud'

const customRenderer = (tag, size, color) => {
  return (
    <span key={tag.value} style={{ color }} className={`tag-${size}`}>
      {tag.value}
    </span>
  )
}

const CustomizedCloud () => (
  <TagCloud tags={data} minSize={1} maxSize={5} renderer={customRenderer} />
)

More examples

Testing

Install dev modules:

yarn install

Run unit tests

yarn test

Run examples

cd examples
yarn install
yarn start

and open browser at http://localhost:3000

Download Details:

Author: madox2 Live Demo: https://madox2.github.io/react-tagcloud/ Download Link: Download The Source Code Official Website: https://github.com/madox2/react-tagcloud License: MIT License

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