feat(web): constants for web platform

Author: RatakondalaArun

lib/constants.dart

@@ -1,35 +1,39 @@
-String androidResFolder(String? flavor) =>
-    "android/app/src/${flavor ?? 'main'}/res/";
-String androidColorsFile(String? flavor) =>
-    "android/app/src/${flavor ?? 'main'}/res/values/colors.xml";
+import 'package:path/path.dart' as path;
+
+String androidResFolder(String? flavor) => "android/app/src/${flavor ?? 'main'}/res/";
+String androidColorsFile(String? flavor) => "android/app/src/${flavor ?? 'main'}/res/values/colors.xml";
 const String androidManifestFile = 'android/app/src/main/AndroidManifest.xml';
 const String androidGradleFile = 'android/app/build.gradle';
 const String androidLocalPropertiesFile = 'android/local.properties';
 const String androidFileName = 'ic_launcher.png';
 const String androidAdaptiveForegroundFileName = 'ic_launcher_foreground.png';
 const String androidAdaptiveBackgroundFileName = 'ic_launcher_background.png';
-String androidAdaptiveXmlFolder(String? flavor) =>
-    androidResFolder(flavor) + 'mipmap-anydpi-v26/';
+String androidAdaptiveXmlFolder(String? flavor) => androidResFolder(flavor) + 'mipmap-anydpi-v26/';
 const String androidDefaultIconName = 'ic_launcher';
 
-const String iosDefaultIconFolder =
-    'ios/Runner/Assets.xcassets/AppIcon.appiconset/';
+const String iosDefaultIconFolder = 'ios/Runner/Assets.xcassets/AppIcon.appiconset/';
 const String iosAssetFolder = 'ios/Runner/Assets.xcassets/';
 const String iosConfigFile = 'ios/Runner.xcodeproj/project.pbxproj';
 const String iosDefaultIconName = 'Icon-App';
 
+// web
+const int kFaviconSize = 16;
+String webDirPath = path.join('web');
+String webIconsDirPath = path.join(webDirPath, 'icons');
+String webManifestFilePath = path.join(webDirPath, 'manifest.json');
+// todo: support for other images formats
+String webFaviconFilePath = path.join(webDirPath, 'favicon.png');
+String webIndexFilePath = path.join(webDirPath, 'index.html');
+String pubspecFilePath = path.join('pubspec.yaml');
+
 const String errorMissingImagePath =
     'Missing "image_path" or "image_path_android" + "image_path_ios" within configuration';
-const String errorMissingPlatform =
-    'No platform specified within config to generate icons for.';
-const String errorMissingRegularAndroid =
-    'Adaptive icon config found but no regular Android config. '
+const String errorMissingPlatform = 'No platform specified within config to generate icons for.';
+const String errorMissingRegularAndroid = 'Adaptive icon config found but no regular Android config. '
     'Below API 26 the regular Android config is required';
-const String errorMissingMinSdk =
-    'Cannot not find minSdk from android/app/build.gradle or android/local.properties'
+const String errorMissingMinSdk = 'Cannot not find minSdk from android/app/build.gradle or android/local.properties'
     'Specify minSdk in either android/app/build.gradle or android/local.properties';
-const String errorIncorrectIconName =
-    'The icon name must contain only lowercase a-z, 0-9, or underscore: '
+const String errorIncorrectIconName = 'The icon name must contain only lowercase a-z, 0-9, or underscore: '
     'E.g. "ic_my_new_icon"';
 
 String introMessage(String currentVersion) => '''