CODEWITHSUNDEEP
javascriptarrays
user1751287
user1751287

Reputation: 501

create multidimenional array from json loop, join specific values in group

trying to loop over json and join specific values and further loop over them.

var json = [
    {title: "title1", type: "group1"}
    {name: "name1", type: "in"}
    {name: "name2", type: "out"}
    {name: "name3", type: "out"}
    {title: "title2", type: "group2"}
    {name: "name4", type: "out"}
];

var obj = {},
    count = 0;

for (var i=0; i < json.length; i++){
    if('name' in json[i]){
        var obj[count].push(json[i])
    }else{
        count++;
    }
}

how can I join title with appropriate group of names to loop over newly created groups ?

newly created group1 should be

[
    {title: "title1", type: "group1"},
    {name: "name1", type: "in"},
    {name: "name2", type: "out"},
    {name: "name3", type: "out"}
]

and newly created group2 should be

[
    {title: "title2", type: "group2"},
    {name: "name4", type: "out"}
]

Upvotes: 1

Views: 37

Answers (1)

Nina Scholz
Nina Scholz

Reputation: 386680

You could use title property for checking if a new group has started. If so, then push the actual object in an array to the result set, otherwise push the actual object to the last array.

var array = [{ title: "title1", type: "group1" }, { name: "name1", type: "in" }, { name: "name2", type: "out" }, { name: "name3", type: "out" }, { title: "title2", type: "group2" }, { name: "name4", type: "out" }],
    result = array.reduce(function (r, o) {
        if ('title' in o) {
            r.push([o]);
        } else {
            r[r.length - 1].push(o);
        }
        return r;
    }, []);

console.log(result);
.as-console-wrapper { max-height: 100% !important; top: 0; }

Upvotes: 1

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