cferdinandi/consolidate.html

## consolidate.html
<!DOCTYPE html>
<html>
<head>
	<title>ConsolidateJS</title>
</head>
<body>
	<script type="text/javascript">
		var data = [
			{
				"name": "Jeff",
				"type": "olympic",
				"quantity": "5"
			},
			{
				"name": "Jeff",
				"type": "half_iron",
				"quantity": "2"
			},
			{
				"name": "Sally",
				"type": "olympic",
				"quantity": "7"
			},
			{
				"name": "Sally",
				"type": "half_iron",
				"quantity": "4"
			},

		];

		/**
		 * Consolidate data into a new array
		 * @param  {Array} data The original data
		 * @return {Array}      The consolidated data
		 */
		var consolidate = function (data) {

			// If no data is provided, throw an error
			if (!data) throw new Error('Please provide data');

			// Create a new array
			var newArr = [];

			// Loop through the existing data
			data.forEach(function (item) {

				// Check if an array entry with the item.name already exists
				var exists = newArr.find(function (existing) {
					return existing.name === item.name;
				});

				// If so, add the item.type: item.quantity to it
				// Otherwise, create a new object and push it to the new array
				if (exists) {
					exists[item.type] = item.quantity;
				} else {
					var newObj = {};
					newObj.name = item.name;
					newObj[item.type] = item.quantity;
					newArr.push(newObj);
				}
			});

			// Return the new array
			return newArr;

		};

		var data2 = consolidate(data);
		console.log(data2);

	</script>
</body>
</html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>ConsolidateJS</title>
	</head>
	<body>
	<script type="text/javascript">
	var data = [
	{
	"name": "Jeff",
	"type": "olympic",
	"quantity": "5"
	},
	{
	"name": "Jeff",
	"type": "half_iron",
	"quantity": "2"
	},
	{
	"name": "Sally",
	"type": "olympic",
	"quantity": "7"
	},
	{
	"name": "Sally",
	"type": "half_iron",
	"quantity": "4"
	},

	];

	/**
	* Consolidate data into a new array
	* @param {Array} data The original data
	* @return {Array} The consolidated data
	*/
	var consolidate = function (data) {

	// If no data is provided, throw an error
	if (!data) throw new Error('Please provide data');

	// Create a new array
	var newArr = [];

	// Loop through the existing data
	data.forEach(function (item) {

	// Check if an array entry with the item.name already exists
	var exists = newArr.find(function (existing) {
	return existing.name === item.name;
	});

	// If so, add the item.type: item.quantity to it
	// Otherwise, create a new object and push it to the new array
	if (exists) {
	exists[item.type] = item.quantity;
	} else {
	var newObj = {};
	newObj.name = item.name;
	newObj[item.type] = item.quantity;
	newArr.push(newObj);
	}
	});

	// Return the new array
	return newArr;

	};

	var data2 = consolidate(data);
	console.log(data2);

	</script>
	</body>
	</html>