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how to merge 2 object array by the same key with lodash
Lodash
var a = [
{ userId:"p1", item:1},
{ userId:"p2", item:2},
{ userId:"p3", item:4}
];
var b = [
{ userId:"p1", profile:1},
{ userId:"p2", profile:2},
{ userId:"p4", profile:4}
];
var merged = _.merge(_.keyBy(a, 'userId'), _.keyBy(b, 'userId'));
var values = _.values(merged);
console.log(values);
<script src="https://cdnjs.cloudflare.com/ajax/libs/
Source: stackoverflow.com
lodash merge array of objects without duplicates
var c = _.map(a, function(obj) {
return _.assign(obj, _.find(b, {parentId: obj.aId}));
})
Source: stackoverflow.com
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