feat(scripts): optimize setup/start scripts for China network

scripts/download-binaries.mjs

@@ -0,0 +1,161 @@
+#!/usr/bin/env node
+
+/**
+ * Download native binaries (ffmpeg + @discordjs/opus) from npmmirror CDN.
+ * Called by setup.bat after npm install --ignore-scripts.
+ *
+ * Usage: node scripts/download-binaries.mjs [cdn_base_url]
+ */
+
+import { existsSync, mkdirSync, writeFileSync, statSync } from "node:fs";
+import { tmpdir } from "node:os";
+import { join, dirname } from "node:path";
+import { createGunzip } from "node:zlib";
+import { pipeline } from "node:stream/promises";
+import { createWriteStream } from "node:fs";
+import { get } from "node:https";
+import { Readable } from "node:stream";
+import { execSync } from "node:child_process";
+import { createRequire } from "node:module";
+import { fileURLToPath } from "node:url";
+
+const ROOT = join(dirname(fileURLToPath(import.meta.url)), "..");
+const CDN = process.argv[2] || "https://cdn.npmmirror.com/binaries";
+const PLATFORM = process.platform;
+const ARCH = process.arch;
+const NODE_ABI = process.versions.modules;
+
+function download(url) {
+  return new Promise((resolve, reject) => {
+    const req = get(url, { timeout: 120000 }, (res) => {
+      if (res.statusCode < 200 || res.statusCode >= 400) {
+        reject(new Error(`HTTP ${res.statusCode}: ${url}`));
+        return;
+      }
+      const chunks = [];
+      res.on("data", (c) => chunks.push(c));
+      res.on("end", () => resolve(Buffer.concat(chunks)));
+    });
+    req.on("error", reject);
+    req.on("timeout", () => { req.destroy(); reject(new Error("timeout")); });
+  });
+}
+
+function log(msg) {
+  console.log(`  [binary] ${msg}`);
+}
+
+function isValidSize(filePath, minBytes) {
+  try { return statSync(filePath).size >= minBytes; } catch { return false; }
+}
+
+async function downloadFfmpeg() {
+  const ffDir = join(ROOT, "node_modules", "ffmpeg-static");
+  const ffName = PLATFORM === "win32" ? "ffmpeg.exe" : "ffmpeg";
+  const ffDest = join(ffDir, ffName);
+
+  if (!existsSync(ffDir)) { log("ffmpeg-static not installed, skipping"); return false; }
+  if (existsSync(ffDest)) {
+    if (isValidSize(ffDest, 50 * 1024 * 1024)) {
+      log("ffmpeg already exists, skipping");
+      return true;
+    }
+    log("ffmpeg exists but seems corrupted (too small), re-downloading...");
+  }
+
+  const url = `${CDN}/ffmpeg-static/b6.1.1/ffmpeg-${PLATFORM}-${ARCH}.gz`;
+  log("Downloading ffmpeg...");
+  const buf = await download(url);
+  await pipeline(Readable.from(buf), createGunzip(), createWriteStream(ffDest));
+  try { execSync(`chmod +x "${ffDest}"`); } catch {}
+  const size = ((await statSync(ffDest)).size / 1024 / 1024).toFixed(1);
+  log(`ffmpeg OK (${size} MB)`);
+  return true;
+}
+
+async function downloadOpus() {
+  const opusDir = join(ROOT, "node_modules", "@discordjs", "opus");
+  const prebuildName = `node-v${NODE_ABI}-napi-v3-${PLATFORM}-${ARCH}-unknown-unknown`;
+  const opusDest = join(opusDir, "prebuild", prebuildName, "opus.node");
+
+  if (!existsSync(opusDir)) { log("@discordjs/opus not installed, skipping"); return false; }
+  if (existsSync(opusDest)) {
+    if (isValidSize(opusDest, 100 * 1024)) {
+      log("@discordjs/opus already exists, skipping");
+      return true;
+    }
+    log("@discordjs/opus exists but seems corrupted (too small), re-downloading...");
+  }
+
+  const url = `${CDN}/@discordjs/opus/v0.10.0/opus-v0.10.0-node-v${NODE_ABI}-napi-v3-${PLATFORM}-${ARCH}-unknown-unknown.tar.gz`;
+  log("Downloading @discordjs/opus...");
+  try {
+    const buf = await download(url);
+    mkdirSync(dirname(opusDest), { recursive: true });
+    const require = createRequire(import.meta.url);
+    const tar = require("tar");
+    const tmpFile = join(tmpdir(), `discordjs-opus-${Date.now()}.tar.gz`);
+    writeFileSync(tmpFile, buf);
+    await tar.extract({ cwd: join(opusDir, "prebuild"), file: tmpFile });
+    log("@discordjs/opus OK");
+    return true;
+  } catch (err) {
+    log(`CDN download failed (${err.message}), trying to build from source...`);
+    try {
+      execSync("npm rebuild @discordjs/opus", { cwd: ROOT, stdio: "inherit" });
+      if (existsSync(opusDest) && isValidSize(opusDest, 100 * 1024)) {
+        log("@discordjs/opus built from source OK");
+        return true;
+      }
+      log("Source build completed but .node file not found");
+      return false;
+    } catch (buildErr) {
+      log(`Source build failed: ${buildErr.message}`);
+      log("Install build tools: sudo apt install build-essential (Ubuntu/Debian)");
+      log("                    sudo yum groupinstall 'Development Tools' (CentOS/RHEL)");
+      return false;
+    }
+  }
+}
+
+async function downloadBetterSqlite3() {
+  const pkgDir = join(ROOT, "node_modules", "better-sqlite3");
+  const dest = join(pkgDir, "build", "Release", "better_sqlite3.node");
+
+  if (!existsSync(pkgDir)) { log("better-sqlite3 not installed, skipping"); return false; }
+  if (existsSync(dest)) {
+    if (isValidSize(dest, 500 * 1024)) {
+      log("better-sqlite3 already exists, skipping");
+      return true;
+    }
+    log("better-sqlite3 exists but seems corrupted (too small), re-downloading...");
+  }
+
+  const version = "12.8.0";
+  const url = `${CDN}/better-sqlite3/v${version}/better-sqlite3-v${version}-node-v${NODE_ABI}-${PLATFORM}-${ARCH}.tar.gz`;
+  log("Downloading better-sqlite3...");
+  const buf = await download(url);
+  const require = createRequire(import.meta.url);
+  const tar = require("tar");
+  const tmpFile = join(tmpdir(), `better-sqlite3-${Date.now()}.tar.gz`);
+  writeFileSync(tmpFile, buf);
+  mkdirSync(dirname(dest), { recursive: true });
+  await tar.extract({ cwd: pkgDir, file: tmpFile });
+  if (existsSync(dest)) {
+    log(`better-sqlite3 OK (${((await statSync(dest)).size / 1024).toFixed(0)} KB)`);
+    return true;
+  }
+  log("better-sqlite3 extracted but .node file not found at expected path");
+  return false;
+}
+
+try {
+  const results = await Promise.all([downloadFfmpeg(), downloadOpus(), downloadBetterSqlite3()]);
+  if (results.some(Boolean)) {
+    console.log("  [binary] All downloads complete");
+  }
+} catch (e) {
+  console.error(`  [binary] ERROR: ${e.message}`);
+  process.exit(1);
+}
+