import { PropType } from 'vue'
export const countToProps = {
  startVal: {
    type: Number as PropType<number>,
    required: false,
    default: 0
  },
  endVal: {
    type: Number as PropType<number>,
    required: false,
    default: 2017
  },
  duration: {
    type: Number as PropType<number>,
    required: false,
    default: 3000
  },
  autoplay: {
    type: Boolean as PropType<boolean>,
    required: false,
    default: true
  },
  decimals: {
    type: Number as PropType<number>,
    required: false,
    default: 0,
    validator(value: number) {
      return value >= 0
    }
  },
  decimal: {
    type: String as PropType<string>,
    required: false,
    default: '.'
  },
  separator: {
    type: String as PropType<string>,
    required: false,
    default: ','
  },
  prefix: {
    type: String as PropType<string>,
    required: false,
    default: ''
  },
  suffix: {
    type: String as PropType<string>,
    required: false,
    default: ''
  },
  useEasing: {
    type: Boolean as PropType<boolean>,
    required: false,
    default: true
  },
  easingFn: {
    type: Function as PropType<(t: number, b: number, c: number, d: number) => number>,
    default(t: number, b: number, c: number, d: number) {
      return (c * (-Math.pow(2, (-10 * t) / d) + 1) * 1024) / 1023 + b
    }
  }
}