How to find an object in array of objects by a deep path? [duplicate]

Question

I have an array of objects which have a property .names which is another object.

I am using lodash...is there a helper method to get the user whose yahoo name is foo in the following example?

const users = [{
    names: {
        yahoo: 'foo',
        gmail: 'bar'
    }
}, {
    names: {
        yahoo: 'foo2',
        gmail: 'bar2'
    }   
}];

Array#find should do this...

Rayon
– Rayon

2016-09-14 05:46:50 +00:00
Commented Sep 14, 2016 at 5:46 — Rayon
– Rayon, Commented Sep 14, 2016 at 5:46
can you provide an example of Array#find?

chovy
– chovy

2016-09-15 02:25:55 +00:00
Commented Sep 15, 2016 at 2:25 — chovy
– chovy, Commented Sep 15, 2016 at 2:25
Provided link has few examples...

Rayon
– Rayon

2016-09-15 02:27:08 +00:00
Commented Sep 15, 2016 at 2:27 — Rayon
– Rayon, Commented Sep 15, 2016 at 2:27

Tholle · Accepted Answer · 2016-09-14 05:50:47Z

3

You can use find with a custom predicate:

var result = _.find(users, function(user) {
  return user.names.yahoo === 'foo';
});

users = [{
  names: {
   yahoo: 'foo',
   gmail: 'bar'
  }
}, {
  names: {
   yahoo: 'foo2',
   gmail: 'bar2'
  }   
}];

var result = _.find(users, function(user) {
  return user.names.yahoo === 'foo';
});

console.log(result);

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.15.0/lodash.min.js"></script>

answered Sep 14, 2016 at 5:50

Tholle

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1 Comment

finalfreq Over a year ago

you can also do it shorthand _.find(users, { names: { yahoo: 'foo' } })

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