@vnmfify/core/utils/format/number.js

```shell npm i @vnmfify/core -S ```

import _toNumber from "lodash/toNumber";

function trimExtraChar(value, char, regExp) {
  var index = value.indexOf(char);

  if (index === -1) {
    return value;
  }

  if (char === "-" && index !== 0) {
    return value.slice(0, index);
  }

  return value.slice(0, index + 1) + value.slice(index).replace(regExp, "");
}

export function formatNumber(value) {
  var allowDot = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
  var allowMinus = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;

  if (allowDot) {
    value = trimExtraChar(value, ".", /\./g);
  } else {
    value = value.split(".")[0];
  }

  if (allowMinus) {
    value = trimExtraChar(value, "-", /-/g);
  } else {
    value = value.replace(/-/, "");
  }

  var regExp = allowDot ? /[^-0-9.]/g : /[^-0-9]/g;
  return value.replace(regExp, "");
}
export function addNumber(num1, num2) {
  var cardinal = 10 ** 10;
  return Math.round((_toNumber(num1) + _toNumber(num2)) * cardinal) / cardinal;
}
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