/**
* Filter array of duplicates
*
* @param {Array} inputs - Array to filter from. Must be an array of objects
* @param {string} key - Key's object
*/
function filterDuplicate (inputs, key) {
const seen = new Set()
const dups = new Set()
inputs.forEach(item => {
const val = item[key]
if (seen.has(val)) {
dups.add(val)
} else {
seen.add(val)
}
})
return inputs.filter(item => {
return dups.has(item[key])
})
}
export default filterDuplicate