react-d3-guage

react-d3-guage is a react component for showing gauge using d3.

forked from https://github.com/palerdot/react-d3-speedometer

Usage:

NPM: npm install --save react-d3-guage

Yarn: yarn add react-d3-guage

// import the component
import ReactGuage from 'react-d3-guage';
// and just use it
<ReactGuage />;

Configuration Options:

prop	type	default	comments
value	number	0	Make sure your value is between your minValue and maxValue
minValue	number	0
maxValue	number	1000
segments	number	5	Number of segments in the guage
forceRender	boolean	false	After initial rendering/mounting, when props change, only the value is changed and animated to maintain smooth visualization. But, if you want to force rerender the whole component like change in segments, colors, dimensions etc, you can use this option to force rerender of the whole component on props change.
width	number	300	diameter of the guage and the width of the svg element
height	number	300	height of the svg element. Height of the guage is always half the width since it is a semi-circle. For fluid width, please refere to fluidWidth config
needleColor	string	steelblue	Should be a valid color code - colorname, hexadecimal name or rgb value. Should be a valid input for d3.interpolateHsl
startColor	string	#FF471A	Should be a valid color code - colorname, hexadecimal name or rgb value. Should be a valid input for d3.interpolateHsl
endColor	string	#33CC33	Should be a valid color code - colorname, hexadecimal name or rgb value. Should be a valid input for d3.interpolateHsl
needleTransition	string	easeQuadInOut	d3-easing-identifiers - easeLinear, easeQuadIn, easeQuadOut, easeQuadInOut, easeCubicIn, easeCubicOut, easeCubicInOut, easePolyIn, easePolyOut, easePolyInOut, easeSinIn, easeSinOut, easeSinInOut, easeExpIn, easeExpOut, easeExpInOut, easeCircleIn, easeCircleOut, easeCircleInOut, easeBounceIn, easeBounceOut, easeBounceInOut, easeBackIn, easeBackOut, easeBackInOut, easeElasticIn, easeElasticOut, easeElasticInOut, easeElastic
needleTransitionDuration	number	500	Time in milliseconds.
ringWidth	number	60	Width of the guage ring.
textColor	string	#666	Should be a valid color code - colorname, hexadecimal name or rgb value. Used for both showing the current value and the segment values
valueFormat	string		should be a valid format for d3-format. By default, no formatter is used. You can use a valid d3 format identifier (for eg: d to convert float to integers), to format the values. Note: This formatter affects all the values (current value, segment values) displayed in the guage

Examples

<ReactGuage />

<ReactGuage
  maxValue={500}
  value={473}
  needleColor="red"
  startColor="green"
  segments={10}
  endColor="blue"
/>

// guage will take the width of the parent div (500)
// any width passed will be ignored
<div
  style={{
    width: '500px',
    height: '300px',
    background: '#EFEFEF'
  }}
>
  <ReactGuage
    fluidWidth={true}
    minValue={100}
    maxValue={500}
    value={473}
    needleColor="steelblue"
  />
</div>

<ReactGuage
  value={333}
  needleColor="steelblue"
  needleTransitionDuration={4000}
  needleTransition="easeElastic"
/>

This is the needle transition used in the sample image

// By default, when props change, only the value prop is updated and animated.
// This is to maintain smooth visualization and to ignore breaking appearance changes like segments, colors etc.
// You can override this behaviour by giving forceRender: true

// render a component initially
<ReactGuage
  width={200}
  height={200}
/>
// Now, if given forceRender: true, and change the appearance all together, the component will rerender completely on props change
<ReactGuage
  forceRender={true}
  segments={15}
  width={500}
  height={500}
/>

---

Todos:

• Test coverage (with enzyme)
• Convert entire code base to ES6

---

Tests:

react-d3-guage comes with a test suite using enzyme.

// navigate to root folder and run
npm test
// or 'yarn test' if you are using yarn

---

Changelog:

View Changelog

---

Credits:

react-d3-guage was started as a react port of the following d3 snippet - http://bl.ocks.org/msqr/3202712. Component template bootstrapped with React CDK. Also, many thanks to d3 and react ecosystem contributors.

---

License:

MIT