29 lines
791 B
JavaScript
29 lines
791 B
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
var $SyntaxError = require('es-errors/syntax');
|
||
|
|
var $TypeError = require('es-errors/type');
|
||
|
|
|
||
|
|
var callBound = require('call-bind/callBound');
|
||
|
|
|
||
|
|
var $BigIntToString = callBound('BigInt.prototype.toString', true);
|
||
|
|
|
||
|
|
var isInteger = require('../../helpers/isInteger');
|
||
|
|
|
||
|
|
// https://262.ecma-international.org/14.0/#sec-numeric-types-bigint-tostring
|
||
|
|
|
||
|
|
module.exports = function BigIntToString(x, radix) {
|
||
|
|
if (typeof x !== 'bigint') {
|
||
|
|
throw new $TypeError('Assertion failed: `x` must be a BigInt');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!isInteger(radix) || radix < 2 || radix > 36) {
|
||
|
|
throw new $TypeError('Assertion failed: `radix` must be an integer >= 2 and <= 36');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$BigIntToString) {
|
||
|
|
throw new $SyntaxError('BigInt is not supported');
|
||
|
|
}
|
||
|
|
|
||
|
|
return $BigIntToString(x, radix); // steps 1 - 12
|
||
|
|
};
|