first commit

node_modules/expo-router/ios/Toolbar/RouterFontUtils.swift

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+import React
+import UIKit
+
+struct RouterFontUtils {
+  static func convertTitleStyleToFont(_ titleStyle: TitleStyle) -> UIFont {
+    let fontFamily = titleStyle.fontFamily
+    let fontWeight = titleStyle.fontWeight
+
+    let resolvedFontSize = resolveFontSize(titleStyle.fontSize)
+
+    if fontFamily != nil || fontWeight != nil {
+      return RCTFont.update(
+        nil,
+        withFamily: fontFamily,
+        size: NSNumber(value: Float(resolvedFontSize)),
+        weight: fontWeight,
+        style: nil,
+        variant: nil,
+        scaleMultiplier: 1.0)
+    }
+    return UIFont.systemFont(ofSize: resolvedFontSize)
+  }
+
+  static func setTitleStyle(fromConfig titleStyle: TitleStyle, for item: UIBarButtonItem) {
+    var attrs: [NSAttributedString.Key: Any] = [:]
+
+    attrs[.font] = convertTitleStyleToFont(titleStyle)
+
+    if let color = titleStyle.color {
+      attrs[.foregroundColor] = color
+    }
+
+    item.setTitleTextAttributes(attrs, for: .normal)
+    item.setTitleTextAttributes(attrs, for: .highlighted)
+    item.setTitleTextAttributes(attrs, for: .disabled)
+    item.setTitleTextAttributes(attrs, for: .selected)
+    item.setTitleTextAttributes(attrs, for: .focused)
+  }
+
+  static func clearTitleStyle(for item: UIBarButtonItem) {
+    item.setTitleTextAttributes(nil, for: .normal)
+    item.setTitleTextAttributes(nil, for: .highlighted)
+    item.setTitleTextAttributes(nil, for: .disabled)
+    item.setTitleTextAttributes(nil, for: .selected)
+    item.setTitleTextAttributes(nil, for: .focused)
+  }
+
+  private static func resolveFontSize(_ fontSize: Double?) -> CGFloat {
+    if let fontSize = fontSize {
+      return CGFloat(fontSize)
+    }
+    #if os(tvOS)
+      return 17.0
+    #else
+      return UIFont.labelFontSize
+    #endif
+  }
+}