feat: add devmode flag; introduce live reload support; update examples

internal/examples/livereload/livereload.go

@@ -1,54 +0,0 @@
-package main
-
-import (
-	"net/http"
-
-	"github.com/go-via/via"
-	"github.com/go-via/via/h"
-)
-
-func LiveReloadPlugin(v *via.V) {
-	v.HandleFunc("GET /dev/reload", func(w http.ResponseWriter, r *http.Request) {
-		w.Header().Set("Content-Type", "text/event-stream")
-		w.Header().Set("Cache-Control", "no-cache")
-		w.Header().Set("Connection", "keep-alive")
-		w.Header().Set("Access-Control-Allow-Origin", "*")
-
-		<-r.Context().Done()
-	})
-	v.AppendToFoot(h.Script(h.Raw(`
-		if (window.location.hostname === 'localhost' || window.location.hostname === '127.0.0.1') {
-			const evtSource = new EventSource('/dev/reload');
-			let overlay = null;
-			let showTimer = null;
-			
-			evtSource.onerror = () => {
-				evtSource.close();
-				
-				showTimer = setTimeout(() => {
-					if (!overlay) {
-						overlay = document.createElement('div');
-						overlay.style.cssText = 'position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); background: rgba(200, 200, 200, 0.95); padding: 20px 40px; border-radius: 8px; color: #333; font-size: 24px; z-index: 999999; font-family: -apple-system, sans-serif;';
-						overlay.textContent = '🔌 Reconnecting...';
-						document.body.appendChild(overlay);
-					}
-				}, 1000);
-				
-				(async function poll() {
-					for (let i = 0; i < 100; i++) {
-						try {
-							const res = await fetch('/', { method: 'HEAD', signal: AbortSignal.timeout(1000) });
-							if (res.ok) {
-								clearTimeout(showTimer);
-								if (overlay) overlay.remove();
-								location.reload();
-								return;
-							}
-						} catch (e) {}
-						await new Promise(r => setTimeout(r, 50));
-					}
-				})();
-			};
-		}
-`)))
-}

internal/examples/livereload/main.go

@@ -12,7 +12,8 @@ func main() {
 
 	v.Config(via.Options{
 		DocumentTitle: "Live Reload",
-		Plugins:       []via.Plugin{LiveReloadPlugin},
+		DevMode:       true,
+		LogLvl:        via.LogLevelDebug,
 	})
 
 	v.Page("/", func(c *via.Context) {
@@ -26,7 +27,7 @@ func main() {
 
 		c.View(func() h.H {
 			return h.Div(
-				h.H1(h.Text("Live Reload")),
+				h.H1(h.Text("Live Reload with Via DevMode !!!")),
 				h.P(h.Textf("Count: %d", data.Count)),
 				h.P(h.Span(h.Text("Step: ")), h.Span(step.Text())),
 				h.Label(
@@ -38,5 +39,5 @@ func main() {
 		})
 	})
 
-	v.Start(":3000")
+	v.Start()
 }