@cleerlycode/cornerstone-wado-image-loader/src/imageLoader/wadouri/fileManager.js

Cornerstone ImageLoader for DICOM WADO-URI

let files = [];

function add (file) {
  const fileIndex = files.push(file);

  return `dicomfile:${fileIndex - 1}`;
}

function get (index) {
  return files[index];
}

function remove (index) {
  files[index] = undefined;
}

function purge () {
  files = [];
}

export default {
  add,
  get,
  remove,
  purge
};