Bitmap; } self.onmessage = async (event) => { try { const imageBitmap = await loadImageBitmap(event.data.data[0]); self.postMessage({ data: imageBitmap, uuid: event.data.uuid, id: event.data.id, }, [imageBitmap]); } catch(e) { self.postMessage({ error: e, uuid: event.data.uuid, id: event.data.id, }); } };