iter-obj-vs-convert-to-array.js

function getRandomObj(i) {
    switch (i % 5) {
        case 0:
            return {a: 1, b: i, c: 3, d: "abc", k: true};
        case 1:
            return {c: "sadf", k: false};
        case 2:
            return {a: null, b: 45};
        case 3:
            return {a: null, b: 45, c: 2, d: "Asdaf"};
        case 4:
            return {d: "Asdaf", k: false};
    }
}

function obj(n) {
    console.time('obj');
    for (var i = 0; i < n; i++) {
        var prevNode = createObj(i === -1 ? null : {obj: getRandomObj(i)});
        for (var j = 0; j < 10; j++) {
            var node = updateObj(j === -1 ? null : {obj: getRandomObj(i)}, prevNode);
        }
    }
    console.timeEnd('obj');
    return node;
}

function arr(n) {
    console.time('arr');
    for (var i = 0; i < n; i++) {
        var prevNode = createArr(i === -1 ? null : {obj: getRandomObj(i), arr: null});
        for (var j = 0; j < 10; j++) {
            var node = updateArr(j === -1 ? null : {obj: getRandomObj(i), arr: null}, prevNode);
        }
    }
    console.timeEnd('arr');
    return node;
}

function createArr(node) {
    var arr = [];
    for (var key in node.obj) {
        arr[arr.length] = key;
        arr[arr.length] = node.obj[key];
    }
    node.arr = arr;
    return node;
}

function updateArr(node, prevNode) {
    var arr = [];
    for (var key in node.obj) {
        arr[arr.length] = key;
        arr[arr.length] = node.obj[key];
    }
    node.arr = arr;
/*
    var max = Math.min(node.arr.length, prevNode.arr.length);
    for (var i = 0; i < max; i++) {
        if (node.arr[i] !== prevNode.arr[i]) {
            update(node, prevNode, node.arr[i], prevNode.arr[i]);
        }
    }
    for (var i = max; i < prevNode.length; i++) {
        remove(node, prevNode.arr[i]);
    }
    for (var i = max; i < node.length; i++) {
        add(node, node.arr[i]);
    }*/
    return node;
}


function createObj(node) {
    for (var key in node.obj) {
        var value = node.obj[key];
    }
    return node;
}

function updateObj(node, prevNode) {
    for (var key in node.obj) {
        var val = node.obj[key];
        var prevVal = prevNode.obj[key];
        if (val !== prevVal) {
            if (prevVal === void 0) {
                add(node, val);
            } else {
                update(node, val);
            }
        }
    }
    for (var key2 in prevNode.obj) {
        var val = node.obj[key2];
        var prevVal = prevNode.obj[key2];
        if (val !== prevVal) {
            if (val === void 0) {
                remove(node, val);
            }
        }
    }
}

function remove(node, val) {

}

function add(node, val) {

}

function update(node, oldNode, val, oldVal) {

}

// obj(1e5);
arr(1e5);