How to use lodash to find and return an object from Array

Question

My objects                    description   object1   id  1                      description   object2   id  2                     description   object3   id  3                     description   object4   id  4           In my function below I m passing in the description to find the matching ID   function pluckSavedView action  view        console log  action     action       console log  pluckSavedView     view       view    object1       var savedViews   retrieveSavedViews        console log  savedViews     savedViews        if  action      delete             var delete id     result   find savedViews  function description                return description     view               id             console log  delete id     delete id      should be  1   but is undefined           I m trying to use lodash s find method  https   lodash com docs find  However my variable delete id is coming out undefined     Update for people checking this question out  Ramda is a nice library to do the same thing lodash does  but in a more functional programming way     http   ramdajs com 0 21 0 docs

User · Accepted Answer

The argument passed to the callback is one of the elements of the array. The elements of your array are objects of the form {description: ..., id: ...}.

var delete_id = _.result(_.find(savedViews, function(obj) {
    return obj.description === view;
}), 'id');

Yet another alternative from the docs you linked to (lodash v3):

_.find(savedViews, 'description', view);

Lodash v4:

_.find(savedViews, ['description', view]);

User · Answer

for this find the given Object in an Array  a basic usage example of   find  const array            description   object1   id  1          description   object2   id  2          description   object3   id  3          description   object4   id  4        this would work well  q     find array   id  4        delete id  console log q       description   object4   id  4      find will help with returning an element in an array  rather than it   s index  So if you have an array of objects and you want to find a single object in the array by a certain key value pare   find is the right tools for the job

User · Answer

var delete id     savedViews  where   description   view    get  0 id

User · Answer

You can do this easily in vanilla JS   Using find   x000D   x000D  const savedViews      description   object1   id  1    description   object2   id  2    description   object3   id  3    description   object4   id  4    x000D   x000D  const view    object2   x000D   x000D  const delete id   savedViews find obj   gt    x000D    return obj description     view  x000D     id  x000D   x000D  console log delete id   x000D   x000D   x000D    Using filter  original answer    x000D   x000D  const savedViews      description   object1   id  1    description   object2   id  2    description   object3   id  3    description   object4   id  4    x000D   x000D  const view    object2   x000D   x000D  const delete id   savedViews filter function  el    x000D    return el description     view  x000D     0  id  x000D   x000D  console log delete id   x000D   x000D   x000D

User · Answer

Import lodash using        npm i --save lodash    var     require  lodash      var objArrayList                     name   user1               name   user2                name   user2           var Obj     find objArrayList    name   user2          Obj    gt    name   user2

User · Answer

lodash and ES5  var song     find songs   id id      lodash and ES6  let song     find songs   id      docs at https   lodash com docs find

User · Answer

Fetch id basing on name           roles                   id   1         name    admin                         id   3         name    manager                             fetchIdBasingOnRole               const self   this            if  this employee roles                var roleid     result                  find this getRoles  function obj                    return obj name     self employee roles                                   id                                       return roleid

User · Answer

You can use the following  import   find   from  lodash    Then to return the entire object  not only its key or value  from the list with the following   let match   find savedViews     ID    id to match

User · Answer

With the find method  your callback is going to be passed the value of each element  like         description   object1   id  1     Thus  you want code like     find savedViews  function o            return o description     view

User · Answer

You don t need Lodash or Ramda or any other extra dependency    Just use the ES6 find   function in a functional way   savedViews find el   gt  el description     view    Sometimes you need to use 3rd-party libraries to get all the goodies that come with them  However  generally speaking  try avoiding dependencies when you don t need them  Dependencies can    bloat your bundled code size  you will have to keep them up to date   and they can introduce bugs or security risks

[javascript] How to use lodash to find and return an object from Array?

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