feat: batch delete

embed.go

@@ -1,38 +1,26 @@
 package main
 
 import (
-	"strings"
-
-	_ "embed"
+	"embed"
+	"io/fs"
 )
 
-// 嵌入式静态页面 (单文件部署, 把 HTML/CSS/JS 编译进二进制, 无需运行时外部文件)
+// 嵌入式静态资源: HTML 骨架单独 embed, CSS/JS 经 /static 路由对外提供.
+// 所有资源仍编译进单个二进制, 部署无需运行时外部文件.
+
+//go:embed static/app.css static/app.js static/helpers.js static/batch.js
+var staticEmbed embed.FS
 
 //go:embed static/index.html.tpl
 var indexTpl []byte
 
-//go:embed static/app.css
-var appCSS []byte
-
-//go:embed static/app.js
-var appJS []byte
-
-//go:embed static/helpers.js
-var helpersJS []byte
-
-//go:embed static/batch.js
-var batchJS []byte
-
-// pageHTML is the assembled single-file deployment response.
-// Computed once at startup; same bytes served on every GET /.
-var pageHTML []byte
+// staticFS 是 static/ 目录的子文件系统, 供 /static 路由对外提供资源.
+var staticFS fs.FS
 
 func init() {
-	s := string(indexTpl)
-	s = strings.Replace(s, "/*EMBED_CSS*/", string(appCSS), 1)
-	// JS 顺序敏感: app 先声明 consts / 注册 handlers; helpers 后注入纯函数;
-	// batch 最后使用 consts 并启动 boot. 同 <script> 内共享顶层 var.
-	combined := string(appJS) + "\n" + string(helpersJS) + "\n" + string(batchJS)
-	s = strings.Replace(s, "/*EMBED_JS*/", combined, 1)
-	pageHTML = []byte(s)
+	var err error
+	staticFS, err = fs.Sub(staticEmbed, "static")
+	if err != nil {
+		panic(err)
+	}
 }