Method fetchFileURLs

frontend/lib/src/FileUploadClient.ts:144–156

* Request that the app fetch URLs to upload/delete/get the given files. Once * this is done, the app should call this class' onFileURLsResponse to * signify completion. * * @param files: An array of files. * * @return a Promise resolving to a list of

(files: File[])

   * URLs for uploading and deleting the given files.
   */
  public fetchFileURLs(files: File[]): Promise<IFileURLs[]> {
    if (!this.requestFileURLs) {
      return Promise.resolve([])
    }

    const resolver = Promise.withResolvers<IFileURLs[]>()

    const requestId = uuidv4()
    this.pendingFileURLsRequests.set(requestId, resolver)
    this.requestFileURLs(requestId, files)

    return resolver.promise
  }

  /**
   * Callback to be called by the app once the file URLs corresponding to a