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					39 lines
				
				737 B
			
		
		
			
		
	
	
					39 lines
				
				737 B
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											4 years ago
										 
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								'use strict';
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								var hasBigInts = require('has-bigints')();
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								if (hasBigInts) {
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									var bigIntValueOf = BigInt.prototype.valueOf;
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									var tryBigInt = function tryBigIntObject(value) {
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										try {
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											bigIntValueOf.call(value);
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											return true;
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										} catch (e) {
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										}
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										return false;
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									};
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									module.exports = function isBigInt(value) {
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										if (
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											value === null
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											|| typeof value === 'undefined'
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											|| typeof value === 'boolean'
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											|| typeof value === 'string'
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											|| typeof value === 'number'
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											|| typeof value === 'symbol'
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											|| typeof value === 'function'
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										) {
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											return false;
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										}
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										if (typeof value === 'bigint') {
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											return true;
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										}
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										return tryBigInt(value);
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									};
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								} else {
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									module.exports = function isBigInt(value) {
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										return false && value;
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									};
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								}
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