addToTheme static method

dynamic addToTheme(
  1. String className
)

Adds a Theme to your config/theme.dart file.

Implementation

static addToTheme(String className) async {
  String name = className.replaceAll(RegExp(r'(_?theme)'), "");
  ReCase nameReCase = ReCase(name);

  String classesToAdd =
      """import '/resources/themes/styles/${nameReCase.snakeCase}_theme_colors.dart';
import '/resources/themes/${nameReCase.snakeCase}_theme.dart';""";

  String template = """BaseThemeConfig<ColorStyles>(
  id: '${nameReCase.snakeCase}_theme',
  description: "${nameReCase.titleCase} theme",
  theme: ${nameReCase.paramCase}Theme,
  colors: ${nameReCase.pascalCase}ThemeColors(),
),""";

  String filePath = "lib/config/theme.dart";
  String originalFile = await loadAsset(filePath);

  // create new file
  if (originalFile.contains(template)) {
    return "";
  }

  RegExp reg = RegExp(
      r'final List<BaseThemeConfig<ColorStyles>> appThemes = \[([^}]*)\];');
  if (reg.allMatches(originalFile).map((e) => e.group(1)).toList().isEmpty) {
    return "";
  }

  String temp =
      """final List<BaseThemeConfig<ColorStyles>> appThemes = [${reg.allMatches(originalFile).map((e) => e.group(1)).toList()[0]} $template
];""";

  String newFile = originalFile.replaceFirst(
    RegExp(
        r'final List<BaseThemeConfig<ColorStyles>> appThemes = \[([^}]*)\];'),
    temp,
  );

  // Add import
  newFile = "$classesToAdd\n$newFile";

  // save new file
  final File file = File(filePath);
  await file.writeAsString(newFile);
}