All files / _internal formatDecimalNoRound.ts

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50% Branches 1/2

100% Functions 1/1

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  /**
 * 求一个数保留小数，不四舍五入
 * @param num 数字
 * @param decimal 精度
 */
export const formatDecimalNoRound = (num: number | string, decimal: number) => {
  num = num.toString();
  const index = num.indexOf('.');
  Eif (index !== -1) {
    num = num.substring(0, decimal + index + 1);
  } else {
    num = num.substring(0);
  }
 
  return Number(parseFloat(num).toFixed(decimal));
}