Function applyActiveSplatFile

src/utils/splatFileSourcePolicy.ts:43–63

(
  loadedFiles: LoadedFiles,
  sourceId: string,
  file: File
)

 * the renderer disposes the previous SplatMesh when splatFile changes.
 */
export function applyActiveSplatFile(
  loadedFiles: LoadedFiles,
  sourceId: string,
  file: File
): LoadedFiles {
  const previousActiveFile = loadedFiles.splatFile;
  const sources = (loadedFiles.splatFileSources ?? []).map((source) => {
    if (source.id === sourceId) {
      return { ...source, file };
    }
    if (source.file && source.file === previousActiveFile && source.url) {
      return { ...source, file: undefined };
    }
    return source;
  });
  const splatFiles = sources
    .map((source) => source.file)
    .filter((candidate): candidate is File => Boolean(candidate));

  return { ...loadedFiles, splatFileSources: sources, splatFile: file, splatFiles };
}

function joinSplatUrl(baseUrl: string, path: string): string {
  const encoded = encodeUrlPath(path);