File size: 1,042 Bytes
c59fd93 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | const logs = [];
const fmt = (value) => {
if (typeof value === 'string') return value;
try {
return JSON.stringify(value);
} catch {
return String(value);
}
};
const capture =
(level, prefix) =>
(...args) => {
logs.push(prefix + args.map(fmt).join(' '));
};
console.log = capture('log', '');
console.info = capture('info', '');
console.debug = capture('debug', '');
console.warn = capture('warn', 'warn: ');
console.error = capture('error', 'error: ');
self.onmessage = async (event) => {
const reply = { logs, result: null, error: null };
try {
const AsyncFunction = Object.getPrototypeOf(async function () {}).constructor;
// The prelude bundled ahead of this shim defines self.nerdamer,
// passed into the execution scope as the `nerdamer` parameter.
const value = await new AsyncFunction('nerdamer', event.data.code)(self.nerdamer);
if (value !== undefined) reply.result = fmt(value);
} catch (err) {
reply.error = err instanceof Error ? err.stack || err.message : String(err);
}
self.postMessage(reply);
};
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