no message

tools/package-optimize.js

@@ -3,8 +3,10 @@
  * 供 package-for-project.js / package-for-cdn.js 共用。
  */
 const fs = require('fs');
+const os = require('os');
 const path = require('path');
 const zlib = require('zlib');
+const { execSync } = require('child_process');
 
 function formatBytes(n) {
   if (n >= 1024 * 1024) return `${(n / 1024 / 1024).toFixed(1)} MB`;
@@ -46,6 +48,23 @@ function brotliCompressFile(srcPath, dstPath, quality = 9) {
   return { raw: input.length, br: out.length };
 }
 
+/** 为 WebGL 目录下所有 .bundle 生成 .bundle.br */
+function brotliCompressWebglBundles(webglDir, opts = {}) {
+  if (!fs.existsSync(webglDir)) return { count: 0, saved: 0 };
+  let count = 0;
+  let saved = 0;
+  for (const name of fs.readdirSync(webglDir)) {
+    if (!name.endsWith('.bundle') || name.endsWith('.bundle.br')) continue;
+    const src = path.join(webglDir, name);
+    if (!fs.statSync(src).isFile()) continue;
+    const { raw, br } = brotliCompressFile(src, src + '.br', opts.quality);
+    count += 1;
+    saved += raw - br;
+    console.log(`>>> ${name}.br: ${formatBytes(raw)} → ${formatBytes(br)}`);
+  }
+  return { count, saved };
+}
+
 /**
  * 调整预加载 bundle：默认只预加载 main，resources / level-prefabs 按需加载。
  * @param {object} opts
@@ -68,6 +87,50 @@ function patchPreloadSettings(settingsObj, opts = {}) {
   return settingsObj;
 }
 
+/**
+ * 关闭 Cocos 启动闪屏（"Created with Cocos"）。
+ * totalTime <= 0 时引擎跳过闪屏等待，首屏可快约 2s；不影响关卡切换与网络下载。
+ * @param {object} opts
+ * @param {boolean} [opts.disableSplash=true]
+ * @param {boolean} [opts.stripSplashAssets=false] 去掉内嵌 logo/background，略减 scenes 包体积
+ */
+function patchSplashSettings(settingsObj, opts = {}) {
+  const disableSplash = opts.disableSplash !== false;
+  if (!disableSplash) return settingsObj;
+
+  settingsObj.splashScreen = settingsObj.splashScreen || {};
+  settingsObj.splashScreen.totalTime = 0;
+
+  if (opts.stripSplashAssets) {
+    delete settingsObj.splashScreen.logo;
+    delete settingsObj.splashScreen.background;
+  }
+  return settingsObj;
+}
+
+/**
+ * 就地修改 zip bundle 内的 settings.json（必须用 zip -0 store，loader 不支持 deflate）。
+ */
+function patchSplashInZipBundle(zipPath, opts = {}) {
+  const absZip = path.resolve(zipPath);
+  const tmp = fs.mkdtempSync(path.join(os.tmpdir(), 'cocos-splash-'));
+  try {
+    execSync(`unzip -q -o "${absZip}" -d "${tmp}"`, { stdio: 'pipe' });
+    const settingsPath = path.join(tmp, 'src', 'settings.json');
+    if (!fs.existsSync(settingsPath)) return false;
+    const j = JSON.parse(fs.readFileSync(settingsPath, 'utf8'));
+    patchSplashSettings(j, opts);
+    fs.writeFileSync(settingsPath, JSON.stringify(j));
+    const newZip = absZip + '.new';
+    if (fs.existsSync(newZip)) fs.unlinkSync(newZip);
+    execSync(`cd "${tmp}" && zip -0 -q -r "${newZip}" .`, { stdio: 'pipe' });
+    fs.renameSync(newZip, absZip);
+    return true;
+  } finally {
+    fs.rmSync(tmp, { recursive: true, force: true });
+  }
+}
+
 function printPackageReport(outDir, opts = {}) {
   const lines = ['\n>>> 包体积报告:'];
   const entries = [
@@ -101,6 +164,9 @@ module.exports = {
   fileSize,
   minifyLevelsDatabase,
   brotliCompressFile,
+  brotliCompressWebglBundles,
   patchPreloadSettings,
+  patchSplashSettings,
+  patchSplashInZipBundle,
   printPackageReport,
 };