getUniqueProps.js

function getUniqueProps(arrayOfObjects, propToCheck) {
  
  let newObj = new Set();
  
  arrayOfObjects.forEach(item => { 
    newObj.add(JSON.stringify(item[propToCheck]))
  })
  
  let result = Array.from(newObj).map(item => {
    return { [propToCheck]: JSON.parse(item) }
  })
  
  return result
}