Implements Must function and enhances Unauthorized handlerv0.7.0

Adds the Must function for error handling, simplifying code by allowing panic on errors.

Improves the Unauthorized handler to ensure proper error reporting when writing responses.

2 files changed, 15 insertions, 0 deletions

diff --git a/kcore/error.go b/kcore/error.go
index fad5f3d..3e4ee1f 100644
--- a/kcore/error.go
+++ b/kcore/error.go
@@ -29,3 +29,10 @@ func Assert(cond bool, msg string) {
 		panic(err)
 	}
 }
+
+func Must[T any](val T, err error) T {
+	if err != nil {
+		panic(err)
+	}
+	return val
+}
diff --git a/kcore/http.go b/kcore/http.go
index e5d218b..f1a2b1a 100644
--- a/kcore/http.go
+++ b/kcore/http.go
@@ -26,3 +26,11 @@ func RenderPage(ctx context.Context, page templ.Component, w http.ResponseWriter
 	_, err = buf.WriteTo(w)
 	Expect(err, "error writing page to response writer")
 }
+
+func Unauthorized(w http.ResponseWriter, err error) {
+	w.WriteHeader(http.StatusUnauthorized)
+	if err != nil {
+		_, err = w.Write([]byte(err.Error()))
+		Expect(err, "error writing response")
+	}
+}