I have the following values -
const r = [{ id: 2, car: 'toyota}, {id: 1, car:'honda'}]
const s = [{ id: 2, name: 'Samuel'},{id: 1, name: 'James'}]
I want to match the arrays based on id and add name to each corresponding matched object id.
const res = [{id: , car: , name: }]
I have certain values I need to map together to make into one response object, so it needs to be an array of objects with various properties. I want to map based on an id and then loop through each object in the array and add the corresponding object. Kindly help, much appreciated!
You can easily achieve the result using Map and map
const r = [
{ id: 2, car: "toyota" },
{ id: 1, car: "honda" },
];
const s = [
{ id: 2, name: "Samuel" },
{ id: 1, name: "James" },
];
const map = new Map(r.map((o) => [o.id, o]));
const result = s.map((o) => ({ ...o, ...(map.get(o.id) ?? []) }));
console.log(result);/* This is not a part of answer. It is just to give the output full height. So IGNORE IT */
.as-console-wrapper { max-height: 100% !important; top: 0; }In this problem we need to filter the data & also need to map the data so for this direct filter operator won't work so I just solved your problem with a forEach loop.
const arr1 = [{ id: 2, car: 'toyota'}, {id: 1, car:'honda'}]
const arr2 = [{ id: 3, name: 'Samuel'},{id: 1, name: 'James'}]
const result = [];
arr1.forEach(arr1Obj=>{
const matchedObject = arr2.find(arr2Obj=>arr2Obj.id==arr1Obj.id);
if(matchedObject){
result.push({...arr1Obj,...matchedObject});
}
})
console.log(result);