Posted By

tennison on 10/01/10

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Last Edited at 10/01/10 07:40pm

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compare 2 json objects returns an array of all differences

/ Published in: JavaScript

pass in 2 json objects returns an array of all differences included those nested in children.

_Q used internally to pass through to self, do not pass in _Q

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var newO2 = jQuery.extend(true, {}, obj2);

for(var keyName in obj1){
	        var value1 = obj1[keyName],
	        	value2 = obj2[keyName];
			
			delete newO2[keyName];
							
			if (typeof value1 != typeof value2 && value2 == undefined) {
				_Q.push(['missing', keyName, value1, value2, obj1])
			}else if (typeof value1 != typeof value2) {
				_Q.push(['diffType', keyName, value1, value2, obj1])
			}else{
		        // For jQuery objects:
		        if (value1 && value1.length && (value1[0] !== undefined && value1[0].tagName)) {
					if (!value2 || value2.length != value1.length || !value2[0].tagName || value2[0].tagName != value1[0].tagName) {
						_Q.push(['diffJqueryObj', keyName, value1, value2, obj1])
					}
				}else if(value1 && value1.length && (value1.tagName !== value2.tagName)){
					_Q.push(['diffHtmlObj', keyName, value1, value2, obj1])
				}else if (typeof value1 == 'function' || typeof value2 == 'function') {
					_Q.push(['function', keyName, value1, value2, obj1])
				}else if(typeof value1 == 'object'){
					var equal = Arcadia.Utility.CompareJson(value1, value2, _Q);
				}else if (value1 != value2) {
					_Q.push(['diffValue', keyName, value1, value2, obj1])
				}
			};
	    }
		
		for(var keyName in newO2){
			_Q.push(['new', keyName, obj1[keyName], newO2[keyName], newO2])
		}
		
		/*
	    */
		return _Q;
	}; // END compare()

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