Merge pull request #581 from kiwicom/578-text-font-weight

Add `textFontWeight` modifier

Sources/Orbit/Components/Text.swift

@@ -13,6 +13,7 @@ public struct Text: View, FormattedTextBuildable {
     @Environment(\.lineSpacing) private var lineSpacing
     @Environment(\.textAccentColor) private var textAccentColor
     @Environment(\.textColor) private var textColor
+    @Environment(\.textFontWeight) private var textFontWeight
     @Environment(\.sizeCategory) private var sizeCategory
 
     private let content: String
@@ -106,8 +107,7 @@ public struct Text: View, FormattedTextBuildable {
         if #available(iOS 16.0, *), let isBold {
             return text
                 .bold(isBold)
-        }
-        else if let isBold, isBold {
+        } else if let isBold, isBold {
             return text
                 .bold()
         } else {
@@ -244,7 +244,7 @@ public struct Text: View, FormattedTextBuildable {
     }
 
     private var resolvedFontWeight: Font.Weight? {
-        isBold == true ? .bold : fontWeight
+        isBold == true ? .bold : fontWeight ?? textFontWeight
     }
 
     private func designatedLineHeight(sizeCategory: ContentSizeCategory) -> CGFloat {

Sources/Orbit/Support/Environment Keys/TextFontWeightKey.swift

@@ -0,0 +1,29 @@
+import SwiftUI
+
+struct TextFontWeightKey: EnvironmentKey {
+    static let defaultValue: Font.Weight? = nil
+}
+
+public extension EnvironmentValues {
+
+    /// A font weight stored in a view’s environment, used for Orbit text based components.
+    var textFontWeight: Font.Weight? {
+        get { self[TextFontWeightKey.self] }
+        set { self[TextFontWeightKey.self] = newValue }
+    }
+}
+
+public extension View {
+
+    /// Set the font weight for any text based Orbit component within the view hierarchy.
+    ///
+    /// - Parameters:
+    ///   - fontWeight: A font weight that will be used in text based Orbit components.
+    ///                 Pass `nil` to ignore environment font weight and to allow the system
+    ///                 or the container to provide its own font weight.
+    ///                 If a container-specific override doesn’t exist, the `regular` will be used.
+    @available(iOS, introduced: 13, obsoleted: 16, renamed: "fontWeight")
+    func textFontWeight(_ fontWeight: Font.Weight?) -> some View {
+        environment(\.textFontWeight, fontWeight)
+    }
+}