All files / _internal bigToSmall.ts

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
4x
4x
4x
 
 
 
 
 
 
4x
26x
26x
26x
 
26x
26x
 
 
 
26x
26x
22x
4x
4x
 
 
 
 
 
import Big from 'big.js';
import * as R from 'ramda';
import { formatDecimalNoRound } from './formatDecimalNoRound';
import { RestParams } from './interface';
 
/**
 * 大数字转小数字
 * @param translateUnit 
 */
export const bigToSmall = (translateUnit: number) => {
  return (num: number | string, params?: RestParams) => {
    const decimalNumber = params?.decimalNumber || 2;
    const fn = params?.fn || 'toFixed';
 
    Iif (R.isEmpty(num) || R.isNil(num)) return num;
    Iif (isNaN(Number(num))) {
      return NaN;
    }
 
    const newNumber = new Big(Number(num)).div(translateUnit);
    if (fn === 'toFixed') {
      return Number(newNumber.toFixed(decimalNumber));
    } else Eif (fn === 'floor') {
      return formatDecimalNoRound(Number(newNumber), decimalNumber);
    }
 
    return num;
  }
}