@yoroi/common/lib/commonjs/numbers/to-bigint.js

The Common package of Yoroi SDK

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.toBigInt = toBigInt;
var _bignumber = _interopRequireDefault(require("bignumber.js"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
 * @description Converts to a bigint in atomic units
 * don't use this to format inputs use parseDecimal instead
 * bare in mind that only '.' is accepted as decimal separator
 * if you pass a localized string it will keep only '.-0-9' characters
 * which means that your decimal separator can affect the result in languages that use ',' or ' ' as decimal separator
 *
 * @param {string | number | BigNumber} quantity
 * @param {number[0]} decimalPlaces
 * @param {boolean} absolute
 * @returns bigint with atomic units
 *
 * @example
 * toBigInt('123456789', 0) // => 123456789n
 * toBigInt('123456789.000000000000000001', 18) // => 123456789000000000000000001n
 * toBigInt('-1', 18) // => -1000000000000000000n
 */
function toBigInt(quantity) {
  let decimalPlaces = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
  let absolute = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  const sanitized = typeof quantity === 'string' ? quantity.replace(/(?!^-)[^\d.-]/g, '') : quantity;
  const bigNumber = new _bignumber.default(sanitized || 0);
  const scaledNumber = bigNumber.shiftedBy(decimalPlaces);
  const bi = BigInt(scaledNumber.toFixed(0, _bignumber.default.ROUND_DOWN));
  if (!absolute) return bi;
  return bi < 0n ? -bi : bi;
}
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