Ramda uniqBy

js:

var data = [

 {id: 10, name: 'user-10'},

 {id: 10, name: 'user-10-dupe'},

 {id: 15, name: 'w-user-15'},

 {id: 20, name: 'user-20'},

];



var dataUpd = R.pipe(

  R.uniqBy(R.prop('name')),

  //R.uniqBy(R.props(['id', 'name'])),

  //R.uniqBy(R.identity),

)(data);



alert( JSON.stringify(dataUpd) );

Result: