59 lines
1.4 KiB
JavaScript
59 lines
1.4 KiB
JavaScript
import { length } from 'stringz'
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/**
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* Renders a character counter
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* @param {string} props.text - text to use to measure
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* @param {number} props.max - max text allowed
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*/
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export default class CharacterCounter extends PureComponent {
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static propTypes = {
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text: PropTypes.string.isRequired,
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max: PropTypes.number.isRequired,
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}
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render() {
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const { text, max } = this.props
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const actualRadius = 16
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const radius = 12
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const circumference = 2 * Math.PI * radius
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const diff = Math.min(length(text), max) / max
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const dashoffset = circumference * (1 - diff)
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return (
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<div className={[_s.default, _s.mr10, _s.justifyContentCenter, _s.alignItemsCenter].join(' ')}>
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<svg
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width={actualRadius * 2}
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height={actualRadius * 2}
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viewBox={`0 0 ${actualRadius * 2} ${actualRadius * 2}`}
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>
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<circle
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fill='none'
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cx={actualRadius}
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cy={actualRadius}
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r={radius}
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fill='none'
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stroke='#e6e6e6'
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strokeWidth='2'
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/>
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<circle
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style={{
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strokeDashoffset: dashoffset,
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strokeDasharray: circumference,
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}}
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fill='none'
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cx={actualRadius}
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cy={actualRadius}
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r={radius}
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strokeWidth='2'
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strokeLinecap='round'
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stroke='#21cf7a'
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/>
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</svg>
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</div>
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)
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}
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}
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