Gio.OutputStream.prototype.splice_async

function splice_async(source: Gio.InputStream, flags: Gio.OutputStreamSpliceFlags, io_priority: Number(gint), cancellable: Gio.Cancellable, callback: Gio.AsyncReadyCallback): void {
    // Gjs wrapper for g_output_stream_splice_async()
}
  

Splices a stream asynchronously. When the operation is finished callback will be called. You can then call Gio.OutputStream.prototype.splice_finish to get the result of the operation.

For the synchronous, blocking version of this function, see Gio.OutputStream.prototype.splice.