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Showing content from https://github.com/uiwjs/react-heat-map below:

uiwjs/react-heat-map: A lightweight calendar heatmap react component built on SVG, customizable version of GitHub's contribution graph.

A lightweight calendar heatmap react component built on SVG, customizable version of GitHub's contribution graph. Try it out on website example.

# Not dependent on uiw.
npm install @uiw/react-heat-map --save

If using Next.js, you will need to use the next-remove-imports package to avoid errors, see issue #69.

Basic usage example, Please pay warning to the time setting.

⚠️ Example: 2016-01-11 -> 2016/01/11, Support Safari

import React from 'react';
import HeatMap from '@uiw/react-heat-map';

const value = [
  { date: '2016/01/11', count: 2 },
  { date: '2016/01/12', count: 20 },
  { date: '2016/01/13', count: 10 },
  ...[...Array(17)].map((_, idx) => ({
    date: `2016/02/${idx + 10}`, count: idx, content: ''
  })),
  { date: '2016/04/11', count: 2 },
  { date: '2016/05/01', count: 5 },
  { date: '2016/05/02', count: 5 },
  { date: '2016/05/04', count: 11 },
];

const Demo = () => {
  return (
    <div>
      <HeatMap
        value={value}
        weekLabels={['', 'Mon', '', 'Wed', '', 'Fri', '']}
        startDate={new Date('2016/01/01')}
      />
    </div>
  )
};

export default Demo

Set the theme color style.

import React from 'react';
import HeatMap from '@uiw/react-heat-map';

const value = [
  { date: '2016/01/11', count:2 },
  { date: '2016/04/12', count:2 },
  { date: '2016/05/01', count:17 },
  { date: '2016/05/02', count:5 },
  { date: '2016/05/03', count:27 },
  { date: '2016/05/04', count:11 },
  { date: '2016/05/08', count:32 },
];

const Demo = () => {
  return (
    <HeatMap
      value={value}
      width={600}
      style={{ color: '#ad001d', '--rhm-rect-active': 'red' }}
      startDate={new Date('2016/01/01')}
      panelColors={{
        0: '#f4decd',
        7: '#e4b293',
        14: '#d48462',
        21: '#c2533a',
        28: '#ad001d',
        35: '#6c0012'
      }}
    />
  )
};
export default Demo

Dynamic color based on maximum value

import React from 'react';
import HeatMap from '@uiw/react-heat-map';

const value = [
  { date: '2016/01/11', count:2 },
  { date: '2016/04/12', count:2 },
  { date: '2016/05/01', count:17 },
  { date: '2016/05/02', count:5 },
  { date: '2016/05/03', count:27 },
  { date: '2016/05/04', count:11 },
  { date: '2016/05/08', count:32 },
];

const Demo = () => {
  return (
    <HeatMap
      value={value}
      width={600}
      style={{ color: '#ad001d', '--rhm-rect-active': 'red' }}
      startDate={new Date('2016/01/01')}
      panelColors={['#f4decd', '#e4b293', '#d48462', '#c2533a', '#ad001d', '#6c0012']}
    />
  )
};
export default Demo

Set the radius of the rect.

import React, { useState } from 'react';
import HeatMap from '@uiw/react-heat-map';

const value = [
  { date: '2016/01/11', count:2 },
  ...[...Array(17)].map((_, idx) => ({ date: `2016/01/${idx + 10}`, count: idx })),
  ...[...Array(17)].map((_, idx) => ({ date: `2016/02/${idx + 10}`, count: idx })),
  { date: '2016/04/12', count:2 },
  { date: '2016/05/01', count:5 },
  { date: '2016/05/02', count:5 },
  { date: '2016/05/03', count:1 },
  { date: '2016/05/04', count:11 },
  { date: '2016/05/08', count:32 },
];

const Demo = () => {
  const [range, setRange] = useState(5)
  return (
    <div>
      <input
        type="range"
        min="0"
        max="5"
        step="0.1"
        value={range}
        onChange={(e) => setRange(e.target.value)}
      /> {range}
      <HeatMap
        value={value}
        width={600}
        style={{ '--rhm-rect': '#b9b9b9' }}
        startDate={new Date('2016/01/01')}
        legendRender={(props) => <rect {...props} y={props.y + 10} rx={range} />}
        rectProps={{
          rx: range
        }}
      />
    </div>
  )
};
export default Demo

A simple text popup tip.

import React from 'react';
import Tooltip from '@uiw/react-tooltip';
import HeatMap from '@uiw/react-heat-map';

const value = [
  { date: '2016/01/11', count:2 },
  ...[...Array(17)].map((_, idx) => ({ date: `2016/01/${idx + 10}`, count: idx, })),
  ...[...Array(17)].map((_, idx) => ({ date: `2016/02/${idx + 10}`, count: idx, })),
  { date: '2016/04/12', count:2 },
  { date: '2016/05/01', count:5 },
  { date: '2016/05/02', count:5 },
  { date: '2016/05/03', count:1 },
  { date: '2016/05/04', count:11 },
  { date: '2016/05/08', count:32 },
];

const Demo = () => {
  return (
    <HeatMap
      value={value}
      width={600}
      startDate={new Date('2016/01/01')}
      rectRender={(props, data) => {
        // if (!data.count) return <rect {...props} />;
        return (
          <Tooltip placement="top" content={`count: ${data.count || 0}`}>
            <rect {...props} />
          </Tooltip>
        );
      }}
    />
  )
};
export default Demo

import React, { useState } from 'react';
import HeatMap from '@uiw/react-heat-map';

const value = [
  { date: '2016/01/11', count:2 },
  ...[...Array(17)].map((_, idx) => ({ date: `2016/01/${idx + 10}`, count: idx })),
  ...[...Array(17)].map((_, idx) => ({ date: `2016/02/${idx + 10}`, count: idx })),
  { date: '2016/04/12', count:2 },
  { date: '2016/05/01', count:5 },
  { date: '2016/05/02', count:5 },
  { date: '2016/05/03', count:1 },
  { date: '2016/05/04', count:11 },
  { date: '2016/05/08', count:32 },
];

const Demo = () => {
  const [size, setSize] = useState(0)
  return (
    <div>
      <label style={{ userSelect: 'none' }}>
        <input
          type="checkbox"
          checked={size === 0}
          onChange={(e) => setSize(e.target.checked ? 0 : 12)}
        />
        {size === 0 ? ' Hide' : ' Show'} Legend
      </label>
      <HeatMap
        width={600}
        value={value}
        legendCellSize={size}
        startDate={new Date('2016/01/01')}
      />
    </div>
  )
};
export default Demo

import React, { useState } from 'react';
import HeatMap from '@uiw/react-heat-map';

const value = [
  { date: '2016/01/11', count:2 },
  ...[...Array(17)].map((_, idx) => ({ date: `2016/01/${idx + 10}`, count: idx })),
  ...[...Array(17)].map((_, idx) => ({ date: `2016/02/${idx + 10}`, count: idx })),
  { date: '2016/04/12', count:2 },
  { date: '2016/05/01', count:5 },
  { date: '2016/05/02', count:5 },
  { date: '2016/05/03', count:1 },
  { date: '2016/05/04', count:11 },
  { date: '2016/05/08', count:32 },
];

const Demo = () => {
  const [selected, setSelected] = useState('')
  return (
    <div>
      <HeatMap
        width={600}
        value={value}
        startDate={new Date('2016/01/01')}
        rectRender={(props, data) => {
          if (selected !== '') {
            props.opacity = data.date === selected ? 1 : 0.45
          }
          return (
            <rect {...props} onClick={() => {
              setSelected(data.date === selected ? '' : data.date);
            }} />
          );
        }}
      />
    </div>
  )
};
export default Demo

Property Description Type Default value Data to be displayed, required Array [] rectSize Grid size number 11 legendCellSize Size of the legend cells, in pixel. Value equal to 0 hide legend. number 11 startDate Start date Date new Date() endDate End date Date - space Interval between grid sizes number 2 monthPlacement position of month labels `'top' 'bottom'` rectProps Grid node attribute settings React.SVGProps<SVGRectElement> 2 weekLabels Week display string[] ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'] monthLabels Month display string[] ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'] panelColors Backgroud color of active colors Record<number, string> | string[] ['var(--rhm-rect, #EBEDF0)','#C6E48B','#7BC96F', '#239A3B', '#196127'] rectRender Single day block re-render

<E = SVGRectElement>(data: E & { key: number }, valueItem: HeatMapValue & { date: string, column: number, row: number, index: number }) => React.ReactElement

- legendRender Single legend block re-render (props: React.SVGProps<SVGRectElement>) => React.ReactNode -

development

Runs the project in development mode.

# Step 1, run first, listen to the component compile and output the .js file
# listen for compilation output type .d.ts file
npm run watch
# Step 2, development mode, listen to compile preview website instance
npm run start

production

Builds the app for production to the build folder.

npm run build
npm run doc

The build is minified and the filenames include the hashes. Your app is ready to be deployed!

As always, thanks to our amazing contributors!

Made with github-action-contributors.

Licensed under the MIT License.

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