russell@unturf.com
d8ffab5ea6
Interactive REPL at lumbda.com/repl with:
- multi-tab sessions (click + to add, × to close, double-click to rename)
- per-tab tier selector (python/c/asm/all-three race)
- persistent transcripts encrypted in localStorage via Web Crypto
(PBKDF2 + AES-GCM, vault id = SHA-256(password || device-salt) —
same pattern as unsandbox's vault-encryption-design.md, native
crypto.subtle API instead of CryptoJS)
- ephemeral mode (skip vault, transcripts vanish on reload)
- one worker per (tab × tier) — state persists across evals in a tab
- reboot tier button (terminate this tab's worker, fresh state next eval)
- cancel button (kills the running worker in active tab)
Home page now links to both /playground/ and /repl/.
Tier state itself does NOT persist across reloads — the transcript does,
but defines/set!/hash-tables vanish with the worker. Portal save/resume
in WAT (deferred) will let a tier session survive close+reopen.
19 lines
734 B
JavaScript
19 lines
734 B
JavaScript
// wasm/app/worker.mjs
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// Tier-evaluation Web Worker. Keeps the main thread responsive so the
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// live ms counter actually ticks AND so cancel works (main thread
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// terminates this worker via worker.terminate()).
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import { evalOnTier } from "./runner.js";
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self.onmessage = async (e) => {
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const { kind, runId, tier, src } = e.data;
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if (kind !== "eval") return;
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try {
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const output = await evalOnTier(tier, src, (loadingTier) => {
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self.postMessage({ kind: "loading", runId, tier: loadingTier });
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});
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self.postMessage({ kind: "done", runId, output });
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} catch (err) {
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self.postMessage({ kind: "error", runId, message: err && err.message ? err.message : String(err) });
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}
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};
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