how can i convert array of objects to one object

Question

I want to convert object1 to object2 dynamically because keys like apple and water and inside objects are not static.

const object1 = {
        apple:[
            {a:''},
            {b:''}
        ],
        water:[
            {c:''},
            {d:''}
        ]
    }

convert to this form:

object2 = {
    apple:{a:'',b:''},
    water:{c:'',d:''}
}

trincot · Accepted Answer · 2022-03-02 06:11:28Z

4

Use Object.entries to iterate the key value pairs, then use Object.assign to merge the inner objects, and finally collect the generated pairs back into one object with Object.fromEntries:

const object1 = {apple:[{a:''},{b:''}],water:[{c:''},{d:''}]}

const object2 = Object.fromEntries(
  Object.entries(object1).map(([key, arr]) =>
    [key, Object.assign({}, ...arr)]
  )
);

console.log(object2);

answered Mar 2, 2022 at 6:11

trincot

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Comments

Asad Haroon · Accepted Answer · 2022-03-02 06:19:23Z

0

const object1 = {
        apple:[
            {a:''},
            {b:''}
        ],
        water:[
            {c:''},
            {d:''}
        ]
}

let object={}
Object.keys(object1).forEach((item)=>{
 let obj={};
 object1[item].map((e)=>{
    obj={...obj,...e};
 });
 object[item]=obj; 
})

console.log(object)

answered Mar 2, 2022 at 6:19

Asad Haroon

4923 silver badges9 bronze badges

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