use cached template when use vfs mode

README.md

@@ -53,6 +53,7 @@ Tested with go-1.10, go-1.11
 1. [x] Quick copy download link
 1. [x] Show folder size
 1. [x] Create folder
+1. [x] Skip delete confirm when alt pressed
 
 ## Installation
 ```

assets/index.html

@@ -31,7 +31,7 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-2">
           <ul class="nav navbar-nav">
             <li class="hidden-xs">
-              <a href="javascript:void(0)" v-on:click='genQrcode(location.pathname)'>
+              <a href="javascript:void(0)" v-on:click='genQrcode()'>
                 View in Phone
                 <span class="glyphicon glyphicon-qrcode"></span>
               </a>
@@ -251,7 +251,9 @@ <h4 class="modal-title">
   <script src="/-/assets/js/underscore-min.js"></script>
   <script src="/-/assets/js/clipboard-1.5.12.min.js"></script>
   <script src="/-/assets/bootstrap-3.3.5/js/bootstrap.min.js"></script>
-  <script src="/-/assets/js/index.js"></script> [[if .GoogleTrackerId ]]
+  <script src='/-/assets/[["js/index.js" | urlhash ]]'></script>
+  <!-- <script src="/-/assets/js/index.js"></script> -->
+  [[if .GoogleTrackerID ]]
   <script>
     (function (i, s, o, g, r, a, m) {
       i['GoogleAnalyticsObject'] = r;
@@ -265,7 +267,7 @@ <h4 class="modal-title">
       m.parentNode.insertBefore(a, m)
     })(window, document, 'script', 'https://www.google-analytics.com/analytics.js', 'ga');
 
-    ga('create', '[[.GoogleTrackerId]]', 'auto');
+    ga('create', '[[.GoogleTrackerID]]', 'auto');
     ga('send', 'pageview');
   </script> [[ end ]]
 </body>

assets/js/index.js

@@ -138,23 +138,27 @@ var vm = new Vue({
     removeAllUploads: function () {
       this.myDropzone.removeAllFiles();
     },
-    genInstallURL: function (name) {
-      var urlPath;
-      if (getExtention(name) == "ipa") {
-        urlPath = location.protocol + "//" + pathJoin([location.host, "/-/ipa/link", location.pathname, name]);
+    genInstallURL: function (name, noEncode) {
+      var parts = [location.host];
+      if (!name) {
+        parts.push(location.pathname);
+      } else if (getExtention(name) == "ipa") {
+        parts.push("/-/ipa/link", location.pathname, name);
       } else {
-        urlPath = location.protocol + "//" + pathJoin([location.host, location.pathname, name]);
+        parts.push(location.pathname, name);
       }
-      return encodeURI(urlPath);
+      var urlPath = location.protocol + "//" + pathJoin(parts);
+      return noEncode ? urlPath : encodeURI(urlPath);
     },
     genQrcode: function (name, title) {
-      var installURL = this.genInstallURL(name);
-      $("#qrcode-title").html(title || name);
-      $("#qrcode-link").attr("href", installURL);
+      var urlPath = this.genInstallURL(name, true);
+      $("#qrcode-title").html(title || name || location.pathname);
+      $("#qrcode-link").attr("href", urlPath);
       $('#qrcodeCanvas').empty().qrcode({
-        text: installURL
+        text: urlPath
       });
-      $("#qrcodeRight a").attr("href", encodeURI(location.origin + pathJoin([location.pathname, name])));
+
+      $("#qrcodeRight a").attr("href", encodeURI(urlPath));
       $("#qrcode-modal").modal("show");
     },
     genDownloadURL: function (f) {
@@ -252,8 +256,10 @@ var vm = new Vue({
     },
     deletePathConfirm: function (f, e) {
       e.preventDefault();
-      if (!window.confirm("Delete " + f.name + " ?")) {
-        return;
+      if (!e.altKey) { // skip confirm when alt pressed
+        if (!window.confirm("Delete " + f.name + " ?")) {
+          return;
+        }
       }
       $.ajax({
         url: pathJoin([location.pathname, f.name]),

httpstaticserver.go

@@ -3,6 +3,7 @@ package main
 import (
 	"bytes"
 	"encoding/json"
+	"fmt"
 	"html/template"
 	"io"
 	"io/ioutil"
@@ -46,7 +47,7 @@ type HTTPStaticServer struct {
 	Title           string
 	Theme           string
 	PlistProxy      string
-	GoogleTrackerId string
+	GoogleTrackerID string
 	AuthType        string
 
 	indexes []IndexFileItem
@@ -348,17 +349,14 @@ func (s *HTTPStaticServer) hIpaLink(w http.ResponseWriter, r *http.Request) {
 			return
 		}
 		plistUrl = url
-		//plistUrl = strings.TrimSuffix(s.PlistProxy, "/") + "/" + r.Host + "/-/ipa/plist/" + path
 	}
 
 	w.Header().Set("Content-Type", "text/html")
+	log.Println("PlistURL:", plistUrl)
 	renderHTML(w, "ipa-install.html", map[string]string{
 		"Name":      filepath.Base(path),
 		"PlistLink": plistUrl,
 	})
-	// w.Write([]byte(fmt.Sprintf(
-	// 	`<a href='itms-services://?action=download-manifest&url=%s'>Click this link to install</a>`,
-	// 	plistUrl)))
 }
 
 func (s *HTTPStaticServer) genPlistLink(httpPlistLink string) (plistUrl string, err error) {
@@ -703,33 +701,46 @@ func assetsContent(name string) string {
 
 // TODO: I need to read more abouthtml/template
 var (
-	_tmpl   *template.Template
-	_parsed = make(map[string]bool)
+	funcMap template.FuncMap
 )
 
-func _parseTemplate(name, content string) {
-	if _tmpl == nil {
-		_tmpl = template.New(name)
+func init() {
+	funcMap = template.FuncMap{
+		"title": strings.Title,
+		"urlhash": func(path string) string {
+			httpFile, err := Assets.Open(path)
+			if err != nil {
+				return path + "#no-such-file"
+			}
+			info, err := httpFile.Stat()
+			if err != nil {
+				return path + "#stat-error"
+			}
+			return fmt.Sprintf("%s?t=%d", path, info.ModTime().Unix())
+		},
 	}
-	var t *template.Template
-	if _tmpl.Name() == name {
-		t = _tmpl
-	} else {
-		t = _tmpl.New(name)
+}
+
+var (
+	_tmpls = make(map[string]*template.Template)
+)
+
+func executeTemplate(w http.ResponseWriter, name string, v interface{}) {
+	if t, ok := _tmpls[name]; ok {
+		t.Execute(w, v)
+		return
 	}
-	template.Must(t.New(name).Delims("[[", "]]").Parse(content))
-	_parsed[name] = true
+	t := template.Must(template.New(name).Funcs(funcMap).Delims("[[", "]]").Parse(assetsContent(name)))
+	_tmpls[name] = t
+	t.Execute(w, v)
 }
 
 func renderHTML(w http.ResponseWriter, name string, v interface{}) {
 	if _, ok := Assets.(http.Dir); ok {
 		log.Println("Hot load", name)
-		t := template.Must(template.New(name).Delims("[[", "]]").Parse(assetsContent(name)))
+		t := template.Must(template.New(name).Funcs(funcMap).Delims("[[", "]]").Parse(assetsContent(name)))
 		t.Execute(w, v)
 	} else {
-		if !_parsed[name] {
-			_parseTemplate(name, assetsContent(name))
-		}
-		_tmpl.ExecuteTemplate(w, name, v)
+		executeTemplate(w, name, v)
 	}
 }

main.go

@@ -147,7 +147,7 @@ func main() {
 	ss := NewHTTPStaticServer(gcfg.Root)
 	ss.Theme = gcfg.Theme
 	ss.Title = gcfg.Title
-	ss.GoogleTrackerId = gcfg.GoogleTrackerID
+	ss.GoogleTrackerID = gcfg.GoogleTrackerID
 	ss.Upload = gcfg.Upload
 	ss.Delete = gcfg.Delete
 	ss.AuthType = gcfg.Auth.Type