Optional class value, dd & span tag builder init

Author: tib

Sources/SwiftHtml/Html/Attributes/Global.swift

@@ -40,8 +40,8 @@ public extension Tag {
     }
 
     /// Specifies one classname for an element (refers to a class in a style sheet)
-    func `class`(_ value: String, _ condition: Bool = true) -> Self {
-        if condition {
+    func `class`(_ value: String?, _ condition: Bool = true) -> Self {
+        if let value = value, condition {
             node.upsert(Attribute(key: "class", value: value))
         }
         return self

Sources/SwiftHtml/Html/Tags/Dd.swift

@@ -12,7 +12,12 @@
 /// Inside a `<dd>` tag you can put paragraphs, line breaks, images, links, lists, etc.
 public final class Dd: Tag {
 
-    public init(_ contents: String) {
-        super.init(Node(type: .standard, name: "dd", contents: contents))
+    public init(_ contents: String? = nil, @TagBuilder _ builder: () -> [Tag]) {
+        super.init(Node(type: .standard, name: "dd", contents: contents), children: builder())
     }
+
+    public convenience init(_ contents: String) {
+        self.init(contents) {}
+    }
+
 }

Sources/SwiftHtml/Html/Tags/Span.swift

@@ -11,8 +11,13 @@
 ///
 /// The `<span>` tag is much like the `<div>` element, but `<div>` is a block-level element and `<span>` is an inline element.
 public final class Span: Tag {
+    
+    public init(_ contents: String? = nil, @TagBuilder _ builder: () -> [Tag]) {
+        super.init(Node(type: .standard, name: "span", contents: contents), children: builder())
+    }
 
-    public init(_ contents: String) {
-        super.init(Node(type: .standard, name: "span", contents: contents))
+    public convenience init(_ contents: String) {
+        self.init(contents) {}
     }
+
 }