loading screen and icon preload

README.md

@@ -77,6 +77,37 @@ authentication:
 
 After a successful login, whiskr issues a signed (HMAC-SHA256) token, using the server secret (`tokens.secret` in `config.yml`). This is stored as a cookie and re-used for future authentications.
 
+## Nginx (optional)
+
+When running behind a reverse proxy like nginx, you can have the proxy serve static files.
+
+```ngnix
+server {
+    listen 443 ssl;
+    server_name chat.example.com;
+    http2 on;
+
+    root /path/to/whiskr/static;
+
+    location / {
+        index index.html index.htm;
+
+        etag on;
+        add_header Cache-Control "public, max-age=2592000, must-revalidate";
+        expires 30d;
+    }
+
+    location ~ ^/- {
+        proxy_pass       http://127.0.0.1:3443;
+        proxy_set_header X-Forwarded-For $remote_addr;
+        proxy_set_header Host            $host;
+    }
+
+    ssl_certificate /path/to/cert.pem;
+    ssl_certificate_key /path/to/key.pem;
+}
+```
+
 ## Usage
 
 - Send a message with `Ctrl+Enter` or the send button

env.go

@@ -41,7 +41,13 @@ type Environment struct {
 	Authentication EnvAuthentication `json:"authentication"`
 }
 
-var env Environment
+var env = Environment{
+	// defaults
+	Settings: EnvSettings{
+		CleanContent:  true,
+		MaxIterations: 3,
+	},
+}
 
 func init() {
 	file, err := os.OpenFile("config.yml", os.O_RDONLY, 0)
@@ -119,7 +125,7 @@ func (e *Environment) Store() error {
 			"$.tokens.openrouter": {yaml.HeadComment(" openrouter.ai api token (required)")},
 			"$.tokens.exa":        {yaml.HeadComment(" exa search api token (optional; used by search tools)")},
 
-			"$.settings.cleanup":    {yaml.HeadComment(" normalize unicode in assistant output (optional; default: false)")},
+			"$.settings.cleanup":    {yaml.HeadComment(" normalize unicode in assistant output (optional; default: true)")},
 			"$.settings.iterations": {yaml.HeadComment(" max model turns per request (optional; default: 3)")},
 
 			"$.authentication.enabled": {yaml.HeadComment(" require login with username and password")},

example.config.yml

@@ -10,7 +10,7 @@ tokens:
   exa: ""
 
 settings:
-  # normalize unicode in assistant output (optional; default: false)
+  # normalize unicode in assistant output (optional; default: true)
   cleanup: true
   # max model turns per request (optional; default: 3)
   iterations: 3

main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"io/fs"
 	"net/http"
 	"path/filepath"
 	"strings"
@@ -18,6 +19,9 @@ var log = logger.New().DetectTerminal().WithOptions(logger.Options{
 })
 
 func main() {
+	icons, err := LoadIcons()
+	log.MustPanic(err)
+
 	models, err := LoadModels()
 	log.MustPanic(err)
 
@@ -35,6 +39,7 @@ func main() {
 			"authentication": env.Authentication.Enabled,
 			"authenticated":  IsAuthenticated(r),
 			"search":         env.Tokens.Exa != "",
+			"icons":          icons,
 			"models":         models,
 			"prompts":        Prompts,
 			"version":        Version,
@@ -66,3 +71,32 @@ func cache(next http.Handler) http.Handler {
 		next.ServeHTTP(w, r)
 	})
 }
+
+func LoadIcons() ([]string, error) {
+	var icons []string
+
+	directory := filepath.Join("static", "css", "icons")
+
+	err := filepath.Walk(directory, func(path string, info fs.FileInfo, err error) error {
+		if err != nil || info.IsDir() {
+			return err
+		}
+
+		if strings.HasSuffix(path, ".svg") {
+			rel, err := filepath.Rel(directory, path)
+			if err != nil {
+				return err
+			}
+
+			icons = append(icons, filepath.ToSlash(rel))
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return icons, nil
+}

static/css/chat.css

@@ -91,6 +91,40 @@ body.loading #version {
 	top: 6px;
 }
 
+#loading {
+	position: absolute;
+	top: 0;
+	left: 0;
+	right: 0;
+	bottom: 0;
+	z-index: 50;
+	backdrop-filter: blur(10px);
+	transition: opacity 250ms;
+}
+
+#loading .inner {
+	position: absolute;
+	top: 50%;
+	left: 50%;
+	transform: translate(-50%, -50%);
+	display: flex;
+	gap: 10px;
+	align-items: center;
+	font-weight: 500;
+	font-size: 22px;
+	line-height: 22px;
+}
+
+#loading img {
+	width: 50px;
+	animation: wiggling 750ms ease-in-out infinite;
+}
+
+body:not(.loading) #loading {
+	opacity: 0;
+	pointer-events: none;
+}
+
 #page {
 	display: flex;
 	flex-direction: column;
@@ -664,6 +698,7 @@ select {
 }
 
 body.loading #version,
+#loading .inner::after,
 .modal.loading .content::after,
 .reasoning .toggle::before,
 .reasoning .toggle::after,
@@ -992,6 +1027,20 @@ label[for="reasoning-tokens"] {
 	background: #89bb77;
 }
 
+@keyframes wiggling {
+	0% {
+		transform: translate(0px);
+	}
+
+	50% {
+		transform: translate(-10px, 0px);
+	}
+
+	100% {
+		transform: translate(0px);
+	}
+}
+
 @keyframes rotating {
 	from {
 		transform: rotate(0deg);

static/index.html

@@ -18,6 +18,12 @@
 	<body class="loading">
 		<div id="version"></div>
 
+		<div id="loading">
+			<div class="inner">
+				<img src="logo.png" /> <span>whiskr</span>
+			</div>
+		</div>
+
 		<div id="page">
 			<div id="messages"></div>
 			<div id="chat">

static/js/chat.js

@@ -51,6 +51,12 @@
 		}, 0);
 	}
 
+	function preloadIcons(icons) {
+		for (const icon of icons) {
+			new Image().src = `/css/icons/${icon}`;
+		}
+	}
+
 	function mark(index) {
 		for (let x = 0; x < messages.length; x++) {
 			messages[x].mark(Number.isInteger(index) && x >= index);
@@ -977,6 +983,9 @@
 			return false;
 		}
 
+		// start icon preload
+		preloadIcons(data.icons);
+
 		// render version
 		if (data.version === "dev") {
 			$version.remove();
@@ -1416,5 +1425,9 @@
 		restore();
 
 		document.body.classList.remove("loading");
+
+		setTimeout(() => {
+			document.getElementById("loading").remove();
+		}, 500);
 	});
 })();