fix svg lib

Author: tib

Package.swift

@@ -19,6 +19,9 @@ let package = Package(
         .library(name: "SwiftSitemap", targets: ["SwiftSitemap"]),
         .library(name: "SwiftSVG", targets: ["SwiftSVG"]),
     ],
+    dependencies: [
+//        .package(url: "https://github.com/apple/swift-collections", .upToNextMinor(from: "1.3.0")),
+    ],
     targets: [
         .target(
             name: "DOM",
@@ -27,73 +30,74 @@ let package = Package(
         .target(
             name: "SGML",
             dependencies: [
-                .target(name: "DOM")
+//                .product(name: "Collections", package: "swift-collections"),
+                .target(name: "DOM"),
             ],
             swiftSettings: defaultSwiftSettings
         ),
         .target(
             name: "SwiftHTML",
             dependencies: [
-                .target(name: "SGML")
+                .target(name: "SGML"),
             ],
             swiftSettings: defaultSwiftSettings
         ),
         .target(
             name: "SwiftRSS",
             dependencies: [
-                .target(name: "SGML")
+                .target(name: "SGML"),
             ],
             swiftSettings: defaultSwiftSettings
         ),
         .target(
             name: "SwiftSitemap",
             dependencies: [
-                .target(name: "SGML")
+                .target(name: "SGML"),
             ],
             swiftSettings: defaultSwiftSettings
         ),
         .target(
             name: "SwiftSVG",
             dependencies: [
-                .target(name: "SGML")
+                .target(name: "SGML"),
             ],
             swiftSettings: defaultSwiftSettings
         ),
         // MARK: - test
         .testTarget(
             name: "DOMTests",
             dependencies: [
-                .target(name: "DOM")
+                .target(name: "DOM"),
             ]
         ),
         .testTarget(
             name: "SGMLTests",
             dependencies: [
-                .target(name: "SGML")
+                .target(name: "SGML"),
             ]
         ),
         .testTarget(
             name: "SwiftHTMLTests",
             dependencies: [
-                .target(name: "SwiftHTML")
+                .target(name: "SwiftHTML"),
             ]
         ),
         .testTarget(
             name: "SwiftRSSTests",
             dependencies: [
-                .target(name: "SwiftRSS")
+                .target(name: "SwiftRSS"),
             ]
         ),
         .testTarget(
             name: "SwiftSitemapTests",
             dependencies: [
-                .target(name: "SwiftSitemap")
+                .target(name: "SwiftSitemap"),
             ]
         ),
         .testTarget(
             name: "SwiftSVGTests",
             dependencies: [
-                .target(name: "SwiftSVG")
+                .target(name: "SwiftSVG"),
             ]
         ),
     ]

README.md

@@ -178,7 +178,7 @@ struct Alignment: Attribute {
 You can set, add, or remove attributes—or even modify individual attribute values—on any tag that supports attributes:
 
 ```swift
-P("lorem ipsum")
+P("Lorem ipsum")
     // set (override) the current attributes
     .setAttribute(Class("note"))
     .setAttributeValueBy(name: "style", value: "color: white;")
@@ -201,6 +201,20 @@ P("lorem ipsum")
 
 There are built-in, type-safe attributes and helper modifiers available for the standard tags.
 
+### Conditions
+
+Use the `check` modifier to evaluate a condition and update an element when the condition is met:
+
+```swift
+let condition = false
+
+H1("Lorem ipsum")
+    .check(condition) {
+        $0.class("foo")
+    } else: {
+        $0.class("bar")
+    }
+```
 
 ### Container elements
 

Sources/SGML/Attributes/AttributeStore.swift

@@ -1,5 +1,7 @@
 import DOM
 
+//import Collections
+
 public struct AttributeStore: Sendable {
 
     private var storage: [String: [String?]]
@@ -24,6 +26,9 @@ public struct AttributeStore: Sendable {
         if storage[name] == nil {
             storage[name] = []
         }
+        guard let value, !value.isEmpty else {
+            return
+        }
         guard !storage[name]!.contains(value) else {
             return
         }

Sources/SwiftHTML/Attributes/ClassAttribute.swift

@@ -46,6 +46,11 @@ extension ClassAttributeModifier where Self: Attributes & Mutable {
     public func toggleClass(
         _ value: String?
     ) -> Self {
-        removeAttribute(ClassAttribute(value))
+        if hasAttribute(ClassAttribute(value)) {
+            removeAttribute(ClassAttribute(value))
+        }
+        else {
+            addAttribute(ClassAttribute(value))
+        }
     }
 }

Sources/SwiftSVG/Circle.swift

@@ -1,13 +1,6 @@
-//
-//  File.swift
-//
-//
-//  Created by Tibor Bodecs on 2022. 02. 04..
-//
-
 extension Double {
 
-    // @NOTE: this is a pure hack, but it works without using Foundation
+    // NOTE: This is a hack, but it works without using Foundation
     var preciseString: String {
         if self - Double(Int(self)) == 0 {
             return String(Int(self))