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onmessage = async function (event) {
const { name, value } = event.data;
try {
const root = await navigator.storage.getDirectory();
const fileHandle = await root.getFileHandle(name, { create: true });
const handle = await fileHandle.createSyncAccessHandle();
try {
handle.write(new TextEncoder().encode(value), { at: 0 });
handle.flush();
} finally {
handle.close();
}
postMessage({ ok: true });
} catch (e) {
postMessage({ ok: false, error: e.toString() });
}
};