Function addAllToArray

packages/engine/Source/Core/addAllToArray.js:26–39

* Adds all elements from the given source array to the given target array. * * If the source is null , undefined , * or empty, then nothing will be done. Otherwise, this has the same * semantics as * for (const s of source) target.push(s); <b

(target, source)

 * // The target is now [ 0, 1, 2, 3, 4, 5 ]
 */
function addAllToArray(target, source) {
  if (!defined(source)) {
    return;
  }
  const sourceLength = source.length;
  if (sourceLength === 0) {
    return;
  }
  const targetLength = target.length;
  target.length += sourceLength;
  for (let i = 0; i < sourceLength; i++) {
    target[targetLength + i] = source[i];
  }
}
export default addAllToArray;