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react-calendar-heatmap-moxel

v1.3.1

Published

A calendar heatmap component built on SVG, inspired by github's commit calendar graph.

Downloads

1

Readme

React Calendar Heatmap

A calendar heatmap component built on SVG, inspired by github's commit calendar graph. The component expands to size of container and is super configurable. See a live demo.

npm version Build Status

react-calendar-heatmap screenshot

Installation

Install the npm module:

npm install react-calendar-heatmap

Include the default styles into your CSS by copying src/styles.css into your repo, and customize away!

Usage

Import the component:

import CalendarHeatmap from 'react-calendar-heatmap';

To show a basic heatmap of 100 days ending on April 1st:

<CalendarHeatmap
  endDate={new Date('2016-04-01')}
  numDays={100}
  values={[
    { date: '2016-01-01' },
    { date: '2016-01-22' },
    { date: '2016-01-30' },
    // ...and so on
  ]}
/>

Configuring colors

To use the color scale shown in the live demo based on the github contribution graph, you can set the classForValue prop, a function that determines which CSS class to apply to each value:

<CalendarHeatmap
  values={[
    { date: '2016-01-01', count: 1 },
    { date: '2016-01-03', count: 4 },
    { date: '2016-01-06', count: 2 },
    // ...and so on
  ]}
  classForValue={(value) => {
    if (!value) {
      return 'color-empty';
    }
    return `color-scale-${value.count}`;
  }}
/>

Then you use CSS to set colors for each class:

.react-calendar-heatmap .color-scale-1 { fill: #d6e685; }
.react-calendar-heatmap .color-scale-2 { fill: #8cc665; }
.react-calendar-heatmap .color-scale-3 { fill: #44a340; }
.react-calendar-heatmap .color-scale-4 { fill: #1e6823; }

Other configuration

See full configuration options on the live demo page.

Development

To run demo locally on localhost:8080:

npm install
npm start

Keep CI tests passing by running npm test and npm run lint often.

Deploy updates to the demo page with npm run deploy:demo.

License

react-calendar-heatmap is Copyright © 2016 PatientsLikeMe, Inc. and is released under an MIT License. See COPYING for details.