Function getIndex

packages/engine/Source/DataSources/DataSourceCollection.js:200–216

(dataSources, dataSource)

};

function getIndex(dataSources, dataSource) {
  //>>includeStart('debug', pragmas.debug);
  if (!defined(dataSource)) {
    throw new DeveloperError("dataSource is required.");
  }
  //>>includeEnd('debug');

  const index = dataSources.indexOf(dataSource);

  //>>includeStart('debug', pragmas.debug);
  if (index === -1) {
    throw new DeveloperError("dataSource is not in this collection.");
  }
  //>>includeEnd('debug');

  return index;
}

function swapDataSources(collection, i, j) {
  const arr = collection._dataSources;