JSON map to JSON object

jsonmap2jsonobject.js

/* 
Credit: Tomalak on Stack Overflow
http://stackoverflow.com/a/11153997

Why? 
Easier to pull data when the mapping is unknown or arbitrary.

Example: 
the function nestedMapping() turns your data structure:

{
    "Level 1a": "Hi",
    "Level 1b": {
        "Level 2a": "Hello",
        "Level 2b": {
            "Level 3": "Bye"
        }
    }
}
into:

[
    {
        "key": "Level 1a",
        "type": "simple",
        "value": "Hi"
    },
    {
        "key": "Level 1b",
        "type": "array",
        "value": [
            {
                "key": "Level 2a",
                "type": "simple",
                "value": "Hello"
            },
            {
                "key": "Level 2b",
                "type": "array",
                "value": [
                    {
                        "key": "Level 3",
                        "type": "simple",
                        "value": "Bye"
                    }
                ]
            }
        ]
    }
]


*/


var ListModel = function(jsonData) {
    var self = this;
 
    self.master = [];
 
    function nestedMapping(data, level) {
        var key, value, type;
 
        for (key in data) {
            if (data.hasOwnProperty(key)) {
                if (data[key] instanceof Object) {
                    type = "array";
                    value = [];
                    nestedMapping(data[key], value);
                } else {
                    type = "simple";
                    value = data[key];
                }
                level.push({key: key, type: type, value: value});
            }
        }
    }
 
    nestedMapping(jsonData, self.master);
}