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