42 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			42 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/*
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	MIT License http://www.opensource.org/licenses/mit-license.php
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	Author Tobias Koppers @sokra
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*/
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module.exports = function createInnerCallback(callback, options, message, messageOptional) {
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	var log = options.log;
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	if(!log) {
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		if(options.stack !== callback.stack) {
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			var callbackWrapper = function callbackWrapper() {
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				return callback.apply(this, arguments);
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			};
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			callbackWrapper.stack = options.stack;
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			callbackWrapper.missing = options.missing;
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			return callbackWrapper;
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		}
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		return callback;
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	}
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	function loggingCallbackWrapper() {
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		var i;
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		if(message) {
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			if(!messageOptional || theLog.length > 0) {
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				log(message);
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				for(i = 0; i < theLog.length; i++)
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					log("  " + theLog[i]);
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			}
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		} else {
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			for(i = 0; i < theLog.length; i++)
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				log(theLog[i]);
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		}
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		return callback.apply(this, arguments);
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	}
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	var theLog = [];
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	loggingCallbackWrapper.log = function writeLog(msg) {
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		theLog.push(msg);
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	};
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	loggingCallbackWrapper.stack = options.stack;
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	loggingCallbackWrapper.missing = options.missing;
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	return loggingCallbackWrapper;
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};
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