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/**
* DON'T depend on anything from the outside like `promiseTry`, as this module is part of a separate lazy-loaded chunk.
*
* Including anything from the main chunk would include the whole chunk by default.
* Even it it would be tree-shaken during build, it won't be tree-shaken in dev.
*
* In the future consider separating common utils into a separate shared chunk.
*/
import { Commands, subsetToBinary } from "./subset-shared.chunk";
/**
* Due to this export (and related dynamic import), this worker code will be included in the bundle automatically (as a separate chunk),
* without the need for esbuild / vite /rollup plugins and special browser / server treatment.
*
* `import.meta.url` is undefined in nodejs
*/
export const WorkerUrl: URL | undefined = import.meta.url
? new URL(import.meta.url)
: undefined;
// run only in the worker context
if (typeof window === "undefined" && typeof self !== "undefined") {
self.onmessage = async (e: {
data: {
command: typeof Commands.Subset;
arrayBuffer: ArrayBuffer;
codePoints: Array<number>;
};
}) => {
switch (e.data.command) {
case Commands.Subset:
const buffer = await subsetToBinary(
e.data.arrayBuffer,
e.data.codePoints,
);
self.postMessage(buffer, { transfer: [buffer] });
break;
}
};
}
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