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					30 lines
				
				581 B
			
		
		
			
		
	
	
					30 lines
				
				581 B
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											3 years ago
										 
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								/**
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								 * Export generator function checks.
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								 */
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								module.exports = isGenerator
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								module.exports.fn = isGeneratorFunction
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								/**
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								 * Check whether an object is a generator.
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								 *
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								 * @param  {Object}  obj
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								 * @return {Boolean}
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								 */
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								function isGenerator (obj) {
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								  return obj &&
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								    typeof obj.next === 'function' &&
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								    typeof obj.throw === 'function'
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								}
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								/**
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								 * Check whether a function is generator.
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								 *
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								 * @param  {Function} fn
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								 * @return {Boolean}
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								 */
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								function isGeneratorFunction (fn) {
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								  return typeof fn === 'function' &&
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								    fn.constructor &&
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								    fn.constructor.name === 'GeneratorFunction'
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								}
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