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- 'use strict';
- var callBound = require('call-bind/callBound');
- var $SyntaxError = require('es-errors/syntax');
- var $bigIntValueOf = callBound('BigInt.prototype.valueOf', true);
- var Type = require('./Type');
- // https://262.ecma-international.org/11.0/#sec-thisbigintvalue
- module.exports = function thisBigIntValue(value) {
- var type = Type(value);
- if (type === 'BigInt') {
- return value;
- }
- if (!$bigIntValueOf) {
- throw new $SyntaxError('BigInt is not supported');
- }
- return $bigIntValueOf(value);
- };
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