All files countdown360.js

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100% Branches 34/34
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import React from 'react'
import PropTypes from 'prop-types'
import styled from 'styled-components'
 
class Countdown360 extends React.Component {
  constructor (props) {
    super(props)
    const seconds = Math.max(props.seconds, 0)
    this.state = {
      totalSeconds: seconds,
      secondsLeft: seconds * 1000,
      started: false,
      lastTick: null
    }
 
    this.interval = null
    this.handleTick = this.handleTick.bind(this)
  }
 
  componentDidMount () {
    const { autoStart } = this.props
    if (autoStart) {
      this.start()
    }
  }
 
  componentWillUnmount () {
    clearInterval(this.interval)
    this.interval = null
  }
 
  componentDidUpdate (prevProps) {
    const { smooth } = this.props
    if (prevProps.smooth !== smooth) {
      clearInterval(this.interval)
      this.interval = setInterval(this.handleTick, smooth ? 16 : 1000)
    }
  }
 
  extendTimer (value) {
    let { secondsLeft, totalSeconds } = this.state
    totalSeconds += value
    totalSeconds = Math.max(totalSeconds, 0)
 
    secondsLeft = Math.min(secondsLeft, totalSeconds * 1000)
    this.setState({ secondsLeft, totalSeconds })
  }
 
  addSeconds (value) {
    const { secondsLeft, totalSeconds } = this.state
    value *= 1000
    this.setState({ secondsLeft: Math.max(Math.min(secondsLeft + value, totalSeconds * 1000), 0) })
  }
 
  start () {
    const { secondsLeft, started } = this.state
    if (started || secondsLeft <= 0) {
      return
    }
 
    const { smooth } = this.props
    const timerInterval = smooth ? 16 : 1000
    this.handleTick()
    this.interval = setInterval(this.handleTick, timerInterval)
    this.setState({ started: true })
  }
 
  stop () {
    const { started } = this.state
    if (!started) {
      return
    }
    clearInterval(this.interval)
    this.interval = null
 
    this.handleTick()
    this.setState({ started: false, lastTick: null })
  }
 
  handleTick () {
    const { secondsLeft, started } = this.state
    if (!started || secondsLeft <= 0) {
      return
    }
 
    const now = new Date()
    const lastTick = this.state.lastTick || now
 
    const diff = Math.abs(now - lastTick)
    const updatedSecondsLeft = Math.max(secondsLeft - diff, 0)
    this.setState({ lastTick: now, secondsLeft: updatedSecondsLeft }, () => {
      if (updatedSecondsLeft <= 0) {
        const { onComplete } = this.props
        onComplete && onComplete()
        this.stop()
      }
    })
  }
 
  render () {
    const { backgroundColor, borderUnfillColor, borderFillColor, borderWidth, smooth, width } = this.props
    const { fontColor, fontFamily, fontSize, fontWeight, unit } = this.props
 
    const { secondsLeft, totalSeconds } = this.state
 
    let angle
    if (!smooth) {
      angle = (Math.round(secondsLeft / 1000) / totalSeconds) * 360
    } else {
      angle = (secondsLeft / (totalSeconds * 1000)) * 360
    }
 
    const x = angle >= 180 ? (90 - (360 - angle)) : 90
    const y = angle >= 180 ? 90 : (-90 + angle)
 
    const Wrapper = styled.div`
      align-items: center;
      background-image: linear-gradient(${x}deg, ${angle >= 180 ? borderFillColor : borderUnfillColor} 50%, transparent 50%), linear-gradient(${y}deg, ${borderUnfillColor} 50%, ${borderFillColor} 50%);
      border-radius: 50%;
      display: flex;
      height: ${width}px;
      justify-content: center;
      width: ${width}px;`
 
    const Label = styled.div`
      align-items: center;
      background: ${backgroundColor};
      border-radius: 50%;
      box-sizing: border-box;
      color: ${fontColor};
      display: flex;
      flex-flow: column;
      font-family: ${fontFamily};
      font-size: ${fontSize}px;
      font-weight: ${fontWeight};
      height: ${width - 2 * borderWidth}px;
      justify-content: center;
      text-align: center;
      text-transform: uppercase;
      width: ${width - 2 * borderWidth}px;`
 
    const Unit = styled.div`
      text-transform: uppercase;
      font-size: ${fontSize / 3}px;`
 
    const roundedSecondsLeft = Math.round(secondsLeft / 1000)
 
    return (
      <Wrapper>
        <Label>
          {roundedSecondsLeft}<br />
          <Unit>{roundedSecondsLeft === 1 ? unit[0] : unit[1]}</Unit>
        </Label>
      </Wrapper>
    )
  }
}
 
Countdown360.defaultProps = {
  autoStart: true,
  backgroundColor: '#fff',
  borderFillColor: '#f11',
  borderUnfillColor: '#e6e2e7',
  borderWidth: 20,
  fontColor: '#111',
  fontFamily: 'sans-serif',
  fontSize: 45,
  fontWeight: 700,
  smooth: false,
  unit: ['second', 'seconds'],
  width: 200
}
 
Countdown360.propTypes = {
  autoStart: PropTypes.bool,
  backgroundColor: PropTypes.string,
  borderFillColor: PropTypes.string,
  borderUnfillColor: PropTypes.string,
  borderWidth: PropTypes.number,
  fontColor: PropTypes.string,
  fontFamily: PropTypes.string,
  fontSize: PropTypes.number,
  fontWeight: PropTypes.number,
  onComplete: PropTypes.func,
  seconds: PropTypes.number.isRequired,
  smooth: PropTypes.bool,
  unit: PropTypes.arrayOf(PropTypes.string),
  width: PropTypes.number
}
 
export default Countdown360