aaronmccall/zippy.html

## zippy.html
<!DOCTYPE html>
<html>
<head>
    <title>Zippy Test</title>
    <script type="text/javascript" src="zippy.js"></script>
    <script type="text/javascript">
        console.profile();
        var kv_str = 'foo,bar,baz|1,2,3,4,5,6,7,8,9',
            zippy_list = string_to_zippy(kv_str, true),
            zippy_json = JSON.stringify(zippy_list);
        console.group('"%s" is %s bytes', kv_str, kv_str.length);
        console.log('final list of dicts: %o', zippy_list);
        console.log('"%s" is %s bytes', zippy_json, zippy_json.length);
        console.groupEnd();
        console.profileEnd();
    </script>
</head>
<body></body>
</html>

## zippy.js
/**
 * @param {Array} keys
 * @param {Array} vals
 * @param {Boolean} convert_numbers
 */
function zippy(keys, vals, convert_numbers) {
    var i = 0, l = keys.length, o, obj, list = [];
    while (o = vals.slice(i,i+l)) {
        if (!o.length) break;
        obj = {};
        o.forEach(function(val, index){
            if (!convert_numbers) {
                obj[keys[index]] = val;
            } else if (val.replace(/[^\d]+/g, '') === val) {
                obj[keys[index]] = parseInt(val);
            } else if (val.replace(/[^\d\.]+/g, '') === val) {
                obj[keys[index]] = parseFloat(val);
            } else {
                obj[keys[index]] = val;
            }
        });
        list.push(obj);
        i += l;
    }
    return list;
}

function string_to_zippy(str, convert_numbers, kvsep, isep) {
    var key_value_separator = kvsep||'|',
        inner_separator = isep||',',
        kv_separated = str.split(key_value_separator),
        keys = kv_separated.shift().split(inner_separator),
        values = kv_separated.pop().split(inner_separator);

        return zippy(keys, values, convert_numbers);
}
	<!DOCTYPE html>
	<html>
	<head>
	<title>Zippy Test</title>
	<script type="text/javascript" src="zippy.js"></script>
	<script type="text/javascript">
	console.profile();
	var kv_str = 'foo,bar,baz\|1,2,3,4,5,6,7,8,9',
	zippy_list = string_to_zippy(kv_str, true),
	zippy_json = JSON.stringify(zippy_list);
	console.group('"%s" is %s bytes', kv_str, kv_str.length);
	console.log('final list of dicts: %o', zippy_list);
	console.log('"%s" is %s bytes', zippy_json, zippy_json.length);
	console.groupEnd();
	console.profileEnd();
	</script>
	</head>
	<body></body>
	</html>
	/**
	* @param {Array} keys
	* @param {Array} vals
	* @param {Boolean} convert_numbers
	*/
	function zippy(keys, vals, convert_numbers) {
	var i = 0, l = keys.length, o, obj, list = [];
	while (o = vals.slice(i,i+l)) {
	if (!o.length) break;
	obj = {};
	o.forEach(function(val, index){
	if (!convert_numbers) {
	obj[keys[index]] = val;
	} else if (val.replace(/[^\d]+/g, '') === val) {
	obj[keys[index]] = parseInt(val);
	} else if (val.replace(/[^\d\.]+/g, '') === val) {
	obj[keys[index]] = parseFloat(val);
	} else {
	obj[keys[index]] = val;
	}
	});
	list.push(obj);
	i += l;
	}
	return list;
	}

	function string_to_zippy(str, convert_numbers, kvsep, isep) {
	var key_value_separator = kvsep\|\|'\|',
	inner_separator = isep\|\|',',
	kv_separated = str.split(key_value_separator),
	keys = kv_separated.shift().split(inner_separator),
	values = kv_separated.pop().split(inner_separator);

	return zippy(keys, values, convert_numbers);
	}