This build was committed by a bot.

This commit is contained in:
github-actions
2025-08-23 17:40:47 +00:00
parent b6e1a5c435
commit 5269bd756f

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@@ -1,18 +1,16 @@
importScripts("https://cdn.jsdelivr.net/npm/localforage@1.10.0/dist/localforage.min.js");
const TARGET_SUBSTRING = "openrouter.ai/api/v1/chat/completions";
const THREADS_KEY = "threads_v1";
const BUFFER_SAVE_BYTES = 32 * 1024;
const SAVE_INTERVAL_MS = 2e3;
const TARGET_SUBSTRING = "openrouter.ai/api/v1/chat/completions";
const LOG = (...a) => {
console.log("[sw-debug]", ...a);
};
const gid = () => Math.random().toString(36).slice(2, 9) + "-" + Date.now().toString(36);
function now() {
return Date.now();
}
async function readThreads() {
try {
const v = await localforage.getItem(THREADS_KEY);
return Array.isArray(v) ? v : [];
} catch (e) {
console.error("sw: idb read error", e);
LOG("readThreads err", e);
return [];
}
}
@@ -20,47 +18,40 @@ async function writeThreads(arr) {
try {
await localforage.setItem(THREADS_KEY, arr);
} catch (e) {
console.error("sw: idb write error", e);
LOG("writeThreads err", e);
throw e;
}
}
function pickThread(threads) {
if (!threads || threads.length === 0) return null;
if (!threads || !threads.length) return null;
threads.sort((a, b) => (b.updatedAt || 0) - (a.updatedAt || 0));
return threads[0];
}
async function upsertStreamMessage(streamId, text, meta = {}) {
const threads = await readThreads();
let th = pickThread(threads);
const createdNow = now();
const now = Date.now();
if (!th) {
th = {
id: "sw-" + gid(),
title: "Missed while backgrounded",
pinned: false,
updatedAt: createdNow,
messages: []
};
th = { id: "sw-" + gid(), title: "Missed while backgrounded", pinned: false, updatedAt: now, messages: [] };
threads.unshift(th);
}
let msgIndex = -1;
for (let i = th.messages.length - 1; i >= 0; i--) {
const m = th.messages[i];
if (m && m.sw_streamId === streamId) {
if (th.messages[i] && th.messages[i].sw_streamId === streamId) {
msgIndex = i;
break;
}
}
const contentParts = [{ type: "text", text }];
if (msgIndex >= 0) {
const existing = th.messages[msgIndex];
existing.content = text;
existing.contentParts = contentParts;
existing.updatedAt = createdNow;
existing._sw_lastSave = createdNow;
existing._sw_meta = Object.assign({}, existing._sw_meta || {}, meta);
const ex = th.messages[msgIndex];
ex.content = text;
ex.contentParts = contentParts;
ex.updatedAt = now;
ex._sw_lastSave = now;
ex._sw_meta = Object.assign({}, ex._sw_meta || {}, meta);
} else {
const msg = {
th.messages.push({
id: "swmsg-" + gid(),
role: "assistant",
content: text,
@@ -68,13 +59,12 @@ async function upsertStreamMessage(streamId, text, meta = {}) {
kind: "assistant",
sw_saved: true,
sw_streamId: streamId,
createdAt: createdNow,
updatedAt: createdNow,
_sw_meta: Object.assign({}, meta)
};
th.messages.push(msg);
createdAt: now,
updatedAt: now,
_sw_meta: meta
});
}
th.updatedAt = createdNow;
th.updatedAt = now;
await writeThreads(threads);
return { threadId: th.id };
}
@@ -85,20 +75,37 @@ async function finalizeStream(streamId, meta = {}) {
for (let i = th.messages.length - 1; i >= 0; i--) {
const m = th.messages[i];
if (m && m.sw_streamId === streamId) {
m._sw_meta = Object.assign({}, m._sw_meta || {}, meta, { completeAt: now() });
m.updatedAt = now();
th.updatedAt = now();
m._sw_meta = Object.assign({}, m._sw_meta || {}, meta, { completeAt: Date.now() });
m.updatedAt = Date.now();
th.updatedAt = Date.now();
break;
}
}
await writeThreads(threads);
const clientsList = await self.clients.matchAll({ includeUncontrolled: true, type: "window" });
clientsList.forEach((c) => {
for (const c of clientsList) {
try {
c.postMessage({ type: "stream-saved", streamId, meta });
} catch (e) {
}
});
}
}
async function listSwStreams() {
const threads = await readThreads();
const found = [];
for (const t of threads || []) {
for (const m of t.messages || []) {
if (m && m.sw_streamId) found.push({
threadId: t.id,
threadTitle: t.title,
messageId: m.id,
sw_streamId: m.sw_streamId,
snippet: (m.content || "").slice(0, 200),
updatedAt: m.updatedAt
});
}
}
return found;
}
async function notifyClients(msg) {
try {
@@ -110,118 +117,117 @@ async function notifyClients(msg) {
}
}
} catch (e) {
LOG("notifyClients err", e);
}
}
self.addEventListener("install", (e) => {
self.skipWaiting();
});
self.addEventListener("activate", (e) => {
e.waitUntil(self.clients.claim());
});
self.addEventListener("fetch", (event) => {
try {
const url = event.request.url || "";
if (!url.includes(TARGET_SUBSTRING)) {
return;
}
const reqUrl = event.request.url || "";
if (new URL(reqUrl).pathname === "/__sw_tee_test") {
event.respondWith((async () => {
const upstream = await fetch(event.request);
if (!upstream || !upstream.body) return upstream;
const streamId = "swstream-" + gid();
const headers = new Headers(upstream.headers);
const [clientStream, swStream] = upstream.body.tee();
const savePromise = (async () => {
try {
const reader = swStream.getReader();
const dec = new TextDecoder("utf-8");
let bufferText = "";
let bufferedBytes = 0;
let lastSaveAt = 0;
const saveIfNeeded = async (force = false) => {
const nowMs = Date.now();
if (!force && bufferedBytes < BUFFER_SAVE_BYTES && nowMs - lastSaveAt < SAVE_INTERVAL_MS) return;
try {
await upsertStreamMessage(streamId, bufferText, { partialBytes: bufferedBytes, savedAt: Date.now() });
lastSaveAt = nowMs;
} catch (e) {
console.error("sw: upsert save error", e);
const probeId = new URL(reqUrl).searchParams.get("probeId") || gid();
LOG("Received tee-test probe", probeId);
const encoder = new TextEncoder();
const stream = new ReadableStream({
start(ctrl) {
let count = 0;
const id = setInterval(() => {
count++;
const chunk = `probe(${probeId}) chunk ${count}
`;
ctrl.enqueue(encoder.encode(chunk));
if (count >= 6) {
clearInterval(id);
ctrl.close();
}
};
}, 300);
}
});
const [clientBranch, swBranch] = stream.tee();
(async () => {
try {
const reader = swBranch.getReader();
const dec = new TextDecoder("utf-8");
let collected = "";
let bytes = 0;
while (true) {
const { value, done } = await reader.read();
if (done) break;
const chunkText = dec.decode(value, { stream: true });
bufferText += chunkText;
bufferedBytes += value && value.byteLength ? value.byteLength : chunkText.length;
await saveIfNeeded(false);
collected += chunkText;
bytes += value && value.byteLength ? value.byteLength : chunkText.length;
await upsertStreamMessage("probe-" + probeId, collected, { probeId, bytesSoFar: bytes });
await notifyClients({ type: "tee-probe-chunk", probeId, bytes, snippet: chunkText.slice(0, 200) });
}
await saveIfNeeded(true);
await finalizeStream(streamId, { totalBytes: bufferedBytes });
await finalizeStream("probe-" + probeId, { totalBytes: bytes, probeId });
LOG("tee-probe: save complete", probeId, "bytes", bytes);
await notifyClients({ type: "tee-probe-complete", probeId, totalBytes: bytes });
} catch (err) {
console.error("sw: error saving stream", err);
try {
await finalizeStream(streamId, { error: String(err) });
} catch (e) {
}
LOG("tee-probe save error", err);
await notifyClients({ type: "tee-probe-error", probeId, error: String(err) });
}
})();
event.waitUntil(savePromise);
return new Response(clientStream, {
status: upstream.status,
statusText: upstream.statusText,
headers
});
return new Response(clientBranch, { status: 200, headers: { "Content-Type": "text/plain; charset=utf-8" } });
})());
} catch (err) {
console.error("sw: fetch handler error", err);
return;
}
if (reqUrl.includes(TARGET_SUBSTRING)) {
event.respondWith(fetch(event.request));
return;
}
});
self.addEventListener("message", (event) => {
const data = event.data || {};
try {
if (data && data.type === "PING") {
if (event.ports && event.ports[0]) {
try {
event.ports[0].postMessage({ type: "PONG", ts: Date.now(), ok: true });
} catch (e) {
}
} else {
if (event.source && typeof event.source.postMessage === "function") {
try {
event.source.postMessage({ type: "PONG", ts: Date.now(), ok: true });
} catch (e) {
}
} else {
notifyClients({ type: "PONG", ts: Date.now(), ok: true });
}
}
return;
}
if (data && data.type === "list-sw-streams") {
(async () => {
const threads = await readThreads();
const found = [];
for (const t of threads || []) {
for (const m of t.messages || []) {
if (m && m.sw_streamId) found.push({ threadId: t.id, threadTitle: t.title, messageId: m.id, sw_streamId: m.sw_streamId, summary: (m.content || "").slice(0, 200), updatedAt: m.updatedAt });
}
}
const streams = await listSwStreams();
const info = {
type: "PONG",
ts: Date.now(),
ok: true,
canTeeProbe: true,
savedStreamCount: streams.length,
lastSaved: streams[0] || null
};
if (event.ports && event.ports[0]) {
event.ports[0].postMessage({ type: "sw-streams-list", streams: found });
event.ports[0].postMessage(info);
} else if (event.source && typeof event.source.postMessage === "function") {
event.source.postMessage({ type: "sw-streams-list", streams: found });
event.source.postMessage(info);
} else {
notifyClients({ type: "sw-streams-list", streams: found });
await notifyClients(info);
}
})();
return;
}
} catch (e) {
console.error("sw: message handler error", e);
if (data && data.type === "list-sw-streams") {
(async () => {
const streams = await listSwStreams();
const payload = { type: "sw-streams-list", streams };
if (event.ports && event.ports[0]) event.ports[0].postMessage(payload);
else if (event.source && typeof event.source.postMessage === "function") event.source.postMessage(payload);
else await notifyClients(payload);
})();
return;
}
if (data && data.type === "run-tee-probe" && data.probeId) {
(async () => {
try {
const probeUrl = "/__sw_tee_test?probeId=" + encodeURIComponent(data.probeId);
if (event.ports && event.ports[0]) event.ports[0].postMessage({ type: "run-tee-probe-ok", probeId: data.probeId, probeUrl });
else if (event.source && typeof event.source.postMessage === "function") event.source.postMessage({ type: "run-tee-probe-ok", probeId: data.probeId, probeUrl });
} catch (e) {
if (event.ports && event.ports[0]) event.ports[0].postMessage({ type: "run-tee-probe-error", error: String(e) });
}
})();
return;
}
} catch (err) {
LOG("message handler error", err);
}
});
self.addEventListener("install", (event) => {
self.skipWaiting();
});
self.addEventListener("activate", (event) => {
event.waitUntil((async () => {
try {
await self.clients.claim();
} catch (e) {
}
})());
});