6cafea92bc
Carry rendering fields omitted by document serialization and normalize block origins before building web caches.
36 lines
1.1 KiB
JavaScript
36 lines
1.1 KiB
JavaScript
import init, { parse_document, sha256_document } from "./worker_pkg/ocs_web_worker.js?v=4";
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const ready = init(
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new URL("./worker_pkg/ocs_web_worker_bg.wasm?v=4", import.meta.url),
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);
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self.onmessage = async ({ data }) => {
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let stage = "initialize worker";
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try {
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await ready;
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if (data.action === "hash") {
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const digest = sha256_document(new Uint8Array(data.bytes));
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self.postMessage({ ok: true, digest });
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return;
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}
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const encoded = parse_document(
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data.name,
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new Uint8Array(data.bytes),
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data.recoveryMode === true,
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data.initialError || "",
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(next) => {
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stage = next;
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},
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);
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// wasm-bindgen returns a view into WebAssembly.Memory. Copy to a standalone
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// ArrayBuffer before transferring it, otherwise the worker's wasm memory
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// itself would be detached.
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const transferable = encoded.slice();
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self.postMessage({ ok: true, data: transferable.buffer }, [transferable.buffer]);
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} catch (error) {
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self.postMessage({
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ok: false,
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error: `${stage}: ${error instanceof Error ? error.message : String(error)}`,
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});
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}
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};
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