/**
 * 
 * @description 判断用户设备是桌面端还是移动端
 * @returns Mobile | Desktop
 * 
 */
export function getPlatform () {
  
  if(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|ipad|iris|kindle|Android|Silk|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(|)|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(navigator.userAgent) ) {
    return 'Mobile'
  }

  else {
    return 'Desktop'
  }

}

/**
 * 
 * @description 获取不同平台对应的事件
 * 
 */

export function getHandlerKey () {
  const platform = getPlatform()
  if (platform === 'Mobile') {
    return {
      start: 'touchstart',
      move: 'touchmove',
      end: 'touchend'
    }
  } else {
    return {
      start: 'mousedown',
      move: 'mousemove',
      end: 'mouseup'
    }
  }
}

/**
 * 
 * @description canvas 转换为 svg
 * 
 */

export function canvasToSvg () {
  
}