Underscore to filter array object using another array

Question

How to get specific properties from array b. Those properties to be filtered are in array a.

Is there any easier way to do using underscore.

var a = [{
  name: "code"
}, {
  name: "barcode"
}, { 
  name: "status",
  type: "button"
}];

var b = [{
  id: 1,
  code: 10,
  barcode: "121212",
  status: "success",
  amount: "10",
  available: true
}, {
  id: 1,
  code: 10,
  barcode: "121212",
  status: "success",
  amount: "10",
  available: true
}];

Now if using underscore how can I get below result

var c = [{
  code: 10,
  barcode: "121212",
  status: "success"
}, {
  code: 10,
  barcode: "121212",
  status: "success"
}];

Francesco Pezzella · Accepted Answer · 2016-06-02 09:19:51Z

1

var filters = _.pluck(a, 'name');

var c = _.map(b, function(el) {
    return _.pick(el, filters);
});

answered Jun 2, 2016 at 9:19

Francesco Pezzella

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Season · Accepted Answer · 2016-07-21 03:54:36Z

1

(function( property, x, y ) {
  var filters = _.pluck( x, property );
  var filter = function( obj ) {
    return _.pick( obj, filters );
  };
  return _.map( y, filter );
})( 'name', a, b );

edited Jul 21, 2016 at 3:54

answered Jun 2, 2016 at 9:14

Season

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