import * as math from 'mathjs'

/**
 * 千分位
 * @param {Number} value 数值
 */
export const thousands = (value) => {
    if (value == null || value == undefined || value === '') return undefined
    if (value == 0) return 0
    let mValue = value
    mValue = typeof value === 'string' ? Number(value) : value
    if (Number.isInteger(mValue)) {
        return String(mValue).replace(/(\d)(?=(\d{3})+$)/g, '$1,')
    } else {
        return String(mValue).replace(/(\d)(?=(\d{3})+\.)/g, '$1,')
    }
}

export const addNumber = (v1, v2) => {
    return math.format(
        math.chain(math.bignumber(v1))
          .add(math.bignumber(v2))
          .done()
      )
}