const WORKER_CODE = "(function () {\n 'use strict';\n\n const WHITE_PNG = \"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8/x8AAwMCAO+ip1sAAAAASUVORK5CYII=\";\n async function checkImageBitmap() {\n try {\n if (typeof createImageBitmap !== \"function\")\n return false;\n const response = await fetch(WHITE_PNG);\n const imageBlob = await response.blob();\n const imageBitmap = await createImageBitmap(imageBlob);\n return imageBitmap.width === 1 && imageBitmap.height === 1;\n } catch (e) {\n return false;\n }\n }\n void checkImageBitmap().then((result) => {\n self.postMessage(result);\n });\n\n})();\n"; let WORKER_URL = null; class WorkerInstance { constructor() { if (!WORKER_URL) { WORKER_URL = URL.createObjectURL(new Blob([WORKER_CODE], { type: 'application/javascript' })); } this.worker = new Worker(WORKER_URL); } } WorkerInstance.revokeObjectURL = function revokeObjectURL() { if (WORKER_URL) { URL.revokeObjectURL(WORKER_URL); WORKER_URL = null; } }; export { WorkerInstance as default }; //# sourceMappingURL=checkImageBitmap.worker.mjs.map