perf: optimize for some details and comments (#4030)

* perf: optimize for some details and comments

* fix: test case

* chore: update ci

internal/vite-config/src/plugins/inject-app-loading/README.md

@@ -1,3 +1,3 @@
 # inject-app-loading
 
-用于在应用加载时显示加载动画的插件。可自行选择加载动画的样式。
+用于在应用加载时显示加载动画的插件，可自行选择加载动画的样式。

internal/vite-config/src/plugins/inject-app-loading/default-loading.html

@@ -25,7 +25,7 @@
     pointer-events: none;
     visibility: hidden;
     opacity: 0;
-    transition: all 0.6s ease-out;
+    transition: all 1s ease-out;
   }
 
   .dark .loading {

internal/vite-config/src/plugins/inject-app-loading/index.ts

@@ -52,19 +52,15 @@ async function viteInjectAppLoadingPlugin(
  * 用于获取loading的html模板
  */
 async function getLoadingRawByHtmlTemplate(loadingTemplate: string) {
-  const __dirname = fileURLToPath(new URL('.', import.meta.url));
-  const defaultLoadingPath = join(__dirname, './default-loading.html');
   // 支持在app内自定义loading模板，模版参考default-loading.html即可
-  const appLoadingPath = join(process.cwd(), loadingTemplate);
-  let loadingPath = defaultLoadingPath;
+  let appLoadingPath = join(process.cwd(), loadingTemplate);
 
-  if (fs.existsSync(appLoadingPath)) {
-    loadingPath = appLoadingPath;
-    return;
+  if (!fs.existsSync(appLoadingPath)) {
+    const __dirname = fileURLToPath(new URL('.', import.meta.url));
+    appLoadingPath = join(__dirname, './default-loading.html');
   }
 
-  const htmlRaw = await fsp.readFile(loadingPath, 'utf8');
-  return htmlRaw;
+  return await fsp.readFile(appLoadingPath, 'utf8');
 }
 
 export { viteInjectAppLoadingPlugin };