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node_modules/expo-font/ios/UIFont+FontFamilyAlias.swift

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+#if !os(macOS)
+/**
+ An extension to ``UIFont`` that adds a custom implementation of `fontNames(forFamilyName:)` that supports aliasing font families.
+ */
+public extension UIFont {
+  /**
+   Returns an array of font names for the specified family name or its alias.
+   */
+  @objc
+  static dynamic func _expo_fontNames(forFamilyName familyName: String) -> [String] {
+    // Get font names from the original function.
+    let fontNames = UIFont._expo_fontNames(forFamilyName: familyName)
+
+    // If no font names were found, let's try with the alias.
+    if fontNames.isEmpty, let postScriptName = FontFamilyAliasManager.familyName(forAlias: familyName) {
+      let fontNames = UIFont._expo_fontNames(forFamilyName: postScriptName)
+
+      // If we still don't find any font names, we can assume it was not a family name but a font name.
+      // In that case we can safely return the original font name.
+      if fontNames.isEmpty {
+        return [postScriptName]
+      }
+      return fontNames
+    }
+
+    return fontNames
+  }
+}
+#endif