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							34 lines
						
					
					
						
							599 B
						
					
					
				
			
		
		
	
	
							34 lines
						
					
					
						
							599 B
						
					
					
				var defer = require('./defer.js'); | 
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// API | 
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module.exports = async; | 
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/** | 
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 * Runs provided callback asynchronously | 
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 * even if callback itself is not | 
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 * | 
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 * @param   {function} callback - callback to invoke | 
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 * @returns {function} - augmented callback | 
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 */ | 
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function async(callback) | 
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{ | 
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  var isAsync = false; | 
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  // check if async happened | 
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  defer(function() { isAsync = true; }); | 
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  return function async_callback(err, result) | 
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  { | 
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    if (isAsync) | 
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    { | 
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      callback(err, result); | 
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    } | 
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    else | 
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    { | 
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      defer(function nextTick_callback() | 
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      { | 
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        callback(err, result); | 
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      }); | 
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    } | 
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  }; | 
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}
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