@iconscout/unicons/scripts/utils/countDuplicates.js

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const compressArray = original => {
  var compressed = []
  // make a copy of the input array
  var copy = original.slice(0)

  // first loop goes over every element
  for (var i = 0; i < original.length; i++) {
    var myCount = 0
    // loop over every element in the copy and see if it's the same
    for (var w = 0; w < copy.length; w++) {
      if (original[i] == copy[w]) {
        // increase amount of times duplicate is found
        myCount++
        // sets item to undefined
        delete copy[w]
      }
    }

    if (myCount > 0) {
      var a = new Object()
      a.value = original[i]
      a.count = myCount
      compressed.push(a)
    }
  }

  return compressed
}

module.exports = compressArray