first prototype

utils/templui.go

@@ -0,0 +1,60 @@
+// templui util templui.go - version: v0.101.0 installed by templui v0.101.0
+package utils
+
+import (
+	"fmt"
+	"time"
+
+	"crypto/rand"
+
+	"github.com/a-h/templ"
+
+	twmerge "github.com/Oudwins/tailwind-merge-go"
+)
+
+// TwMerge combines Tailwind classes and resolves conflicts.
+// Example: "bg-red-500 hover:bg-blue-500", "bg-green-500" → "hover:bg-blue-500 bg-green-500"
+func TwMerge(classes ...string) string {
+	return twmerge.Merge(classes...)
+}
+
+// TwIf returns value if condition is true, otherwise an empty value of type T.
+// Example: true, "bg-red-500" → "bg-red-500"
+func If[T comparable](condition bool, value T) T {
+	var empty T
+	if condition {
+		return value
+	}
+	return empty
+}
+
+// TwIfElse returns trueValue if condition is true, otherwise falseValue.
+// Example: true, "bg-red-500", "bg-gray-300" → "bg-red-500"
+func IfElse[T any](condition bool, trueValue T, falseValue T) T {
+	if condition {
+		return trueValue
+	}
+	return falseValue
+}
+
+// MergeAttributes combines multiple Attributes into one.
+// Example: MergeAttributes(attr1, attr2) → combined attributes
+func MergeAttributes(attrs ...templ.Attributes) templ.Attributes {
+	merged := templ.Attributes{}
+	for _, attr := range attrs {
+		for k, v := range attr {
+			merged[k] = v
+		}
+	}
+	return merged
+}
+
+// RandomID generates a random ID string.
+// Example: RandomID() → "id-1a2b3c"
+func RandomID() string {
+	return fmt.Sprintf("id-%s", rand.Text())
+}
+
+// ScriptVersion is a timestamp generated at app start for cache busting.
+// Used in Script() templates to append ?v=<timestamp> to script URLs.
+var ScriptVersion = fmt.Sprintf("%d", time.Now().Unix())