message: Fixing zIndexOrdering types
diff: @@ -160,7 +160,7 @@ export function createNormalizationFunction(extent: { x: Extent; y: Extent }): N
  * @param {array} elements - The array to sort.
  * @return {array} - The sorted array.
  */
  -export function zIndexOrdering<T>(extent: [number, number], getter: (e: T) => number, elements: Array<T>): Array<T> {
  +export function zIndexOrdering<T>(extent: Extent, getter: (e: T) => number, elements: Array<T>): Array<T> {
  // If k is > n, we'll use a standard sort
  return elements.sort(function (a, b) {
  const zA = getter(a) || 0,
  