Flat object

flat-object.js

var a = {
    b: {
        c: {
            d: {
                e: 'text 1'
            }
        }
    },
    f: 'text'
};

function flatKeyValue(obj, key) {
    if (typeof (obj[key]) !== 'object') {
        return {
            key: key,
            value: obj[key]
        };
    }

    for (var k in obj[key]) {
        var flatKV = flatKeyValue(obj[key], k);
        // Only run on first key, because we return here
        return {
            key: key + '.' + flatKV.key,
            value: flatKV.value
        }
    }


}

function parse(data) {
    var result = {};
    var flatKV;
    for (var key in data) {
        flatKV = flatKeyValue(data, key);
        result[flatKV.key] = flatKV.value;
    }

    return result;

}


console.log(parse(a));

/** Result
result =  {
  'b.c.d.e': 'text1',
  'f': 'text'
}
*/