uniqWith source npm

_.uniqWith(array, [comparator])

This method is like _.uniq except that it accepts comparator which is invoked to compare elements of array. The comparator is invoked with two arguments: (arrVal, othVal).

Arguments

  1. array (Array)

    The array to inspect.

  2. [comparator] (Function)

    The function invoked per element.

Returns (Array)

Returns the new duplicate free array.

Example

var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 },  { 'x': 1, 'y': 2 }];

_.uniqWith(objects, _.isEqual);
// => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]