Edit File: ToBigInt64.js
'use strict'; var GetIntrinsic = require('get-intrinsic'); var $BigInt = GetIntrinsic('%BigInt%', true); var $pow = GetIntrinsic('%Math.pow%'); var ToBigInt = require('./ToBigInt'); var BigIntRemainder = require('./BigInt/remainder'); var modBigInt = require('../helpers/modBigInt'); // BigInt(2**63), but node v10.4-v10.8 have a bug where you can't `BigInt(x)` anything larger than MAX_SAFE_INTEGER var twoSixtyThree = $BigInt && (BigInt($pow(2, 32)) * BigInt($pow(2, 31))); // BigInt(2**64), but node v10.4-v10.8 have a bug where you can't `BigInt(x)` anything larger than MAX_SAFE_INTEGER var twoSixtyFour = $BigInt && (BigInt($pow(2, 32)) * BigInt($pow(2, 32))); // https://262.ecma-international.org/11.0/#sec-tobigint64 module.exports = function ToBigInt64(argument) { var n = ToBigInt(argument); var int64bit = modBigInt(BigIntRemainder, n, twoSixtyFour); return int64bit >= twoSixtyThree ? int64bit - twoSixtyFour : int64bit; };
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