extension BuildContextCustom on BuildContext {
  AppColorsEx get colors => Theme.of(this).extension<AppColorsEx>()!;
}

class AppColorsEx extends ThemeExtension<AppColorsEx> {
  final Color primaryColor;
  final Color secondaryColor;

  AppColorsEx({required this.primaryColor, required this.secondaryColor});

  @override
  ThemeExtension<AppColorsEx> copyWith({
    Color? primaryColor,
    Color? secondaryColor,
  }) {
    return AppColorsEx(
        primaryColor: primaryColor ?? this.primaryColor,
        secondaryColor: secondaryColor ?? this.secondaryColor);
  }

  @override
  ThemeExtension<AppColorsEx> lerp(
      covariant ThemeExtension<AppColorsEx>? other, double t) {
    if (other is! AppColorsEx) {
      return this;
    } else {
      return AppColorsEx(
          primaryColor: Color.lerp(primaryColor, other.primaryColor, t)!,
          secondaryColor: Color.lerp(secondaryColor, other.secondaryColor, t)!);
    }
  }
}