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node_modules/expo-font/ios/FontExceptions.swift

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+import ExpoModulesCore
+
+internal final class FontFileNotFoundException: GenericException<String> {
+  override var reason: String {
+    "Font file '\(param)' doesn't exist"
+  }
+}
+
+internal final class FontCreationFailedException: GenericException<String> {
+  override var reason: String {
+    "Could not create font from loaded data for '\(param)'"
+  }
+}
+
+internal final class FontNoPostScriptException: GenericException<String> {
+  override var reason: String {
+    "Could not create font '\(param)' from loaded data because it is missing the PostScript name"
+  }
+}
+
+internal struct FontRegistrationErrorInfo {
+  let fontFamilyAlias: String
+  let cfError: CFError
+  let ctFontManagerError: CTFontManagerError?
+}
+
+internal final class FontRegistrationFailedException: GenericException<FontRegistrationErrorInfo> {
+  override var reason: String {
+    let ctErrorDescription = "CTFontManagerError code: " + (param.ctFontManagerError.map { String($0.rawValue) } ?? "N/A")
+    return "Registering '\(param.fontFamilyAlias)' font failed with message: '\(param.cfError.localizedDescription)'. \(ctErrorDescription)"
+  }
+}
+
+internal final class UnregisteringFontFailedException: GenericException<CFError> {
+  override var reason: String {
+    "Unregistering font failed with message: '\(param.localizedDescription)'"
+  }
+}
+
+internal final class CreateImageException: Exception {
+  override var reason: String {
+    "Could not create image"
+  }
+}
+
+internal final class SaveImageException: GenericException<String> {
+  override var reason: String {
+    "Could not save image to '\(param)'"
+  }
+}