pixi.js
Version:
<p align="center"> <a href="https://pixijs.com" target="_blank" rel="noopener noreferrer"> <img height="150" src="https://files.pixijs.download/branding/pixijs-logo-transparent-dark.svg?v=1" alt="PixiJS logo"> </a> </p> <br/> <p align="center">
25 lines (23 loc) • 1.27 kB
JavaScript
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