chore: Added all linter rules and clean up generated files and codes

all_lint_rules.yaml

@@ -0,0 +1,207 @@
+# Specify linter rules.
+#
+# For a list of lints, see: http://dart-lang.github.io/linter/lints/
+# See the configuration guide for more
+# https://github.com/dart-lang/sdk/tree/master/pkg/analyzer#configuring-the-analyzer
+
+linter:
+  # These rules are documented on and in the same order as
+  # the Dart Lint rules page to make maintenance easier
+  # https://github.com/dart-lang/linter/blob/master/example/all.yaml
+  #
+  # Don't forget to keep this rules updated with the latest lint rules
+  # on the above link, otherwise it could be time-consuming and error-prone
+  # to add multiple rules and update the code.
+  rules:
+    - always_declare_return_types
+    - always_put_control_body_on_new_line
+    - always_put_required_named_parameters_first
+    - always_require_non_null_named_parameters
+    - always_specify_types
+    - always_use_package_imports
+    - annotate_overrides
+    - avoid_annotating_with_dynamic
+    - avoid_bool_literals_in_conditional_expressions
+    - avoid_catches_without_on_clauses
+    - avoid_catching_errors
+    - avoid_classes_with_only_static_members
+    - avoid_double_and_int_checks
+    - avoid_dynamic_calls
+    - avoid_empty_else
+    - avoid_equals_and_hash_code_on_mutable_classes
+    - avoid_escaping_inner_quotes
+    - avoid_field_initializers_in_const_classes
+    - avoid_function_literals_in_foreach_calls
+    - avoid_implementing_value_types
+    - avoid_init_to_null
+    - avoid_js_rounded_ints
+    - avoid_multiple_declarations_per_line
+    - avoid_null_checks_in_equality_operators
+    - avoid_positional_boolean_parameters
+    - avoid_print
+    - avoid_private_typedef_functions
+    - avoid_redundant_argument_values
+    - avoid_relative_lib_imports
+    - avoid_renaming_method_parameters
+    - avoid_return_types_on_setters
+    - avoid_returning_null
+    - avoid_returning_null_for_future
+    - avoid_returning_null_for_void
+    - avoid_returning_this
+    - avoid_setters_without_getters
+    - avoid_shadowing_type_parameters
+    - avoid_single_cascade_in_expression_statements
+    - avoid_slow_async_io
+    - avoid_type_to_string
+    - avoid_types_as_parameter_names
+    - avoid_types_on_closure_parameters
+    - avoid_unnecessary_containers
+    - avoid_unused_constructor_parameters
+    - avoid_void_async
+    - avoid_web_libraries_in_flutter
+    - await_only_futures
+    - camel_case_extensions
+    - camel_case_types
+    - cancel_subscriptions
+    - cascade_invocations
+    - cast_nullable_to_non_nullable
+    - close_sinks
+    - comment_references
+    - constant_identifier_names
+    - control_flow_in_finally
+    - curly_braces_in_flow_control_structures
+    - depend_on_referenced_packages
+    - deprecated_consistency
+    - diagnostic_describe_all_properties
+    - directives_ordering
+    - do_not_use_environment
+    - empty_catches
+    - empty_constructor_bodies
+    - empty_statements
+    - eol_at_end_of_file
+    - exhaustive_cases
+    - file_names
+    - flutter_style_todos
+    - hash_and_equals
+    - implementation_imports
+    - invariant_booleans
+    - iterable_contains_unrelated_type
+    - join_return_with_assignment
+    - leading_newlines_in_multiline_strings
+    - library_names
+    - library_prefixes
+    - library_private_types_in_public_api
+    - lines_longer_than_80_chars
+    - list_remove_unrelated_type
+    - literal_only_boolean_expressions
+    - missing_whitespace_between_adjacent_strings
+    - no_adjacent_strings_in_list
+    - no_default_cases
+    - no_duplicate_case_values
+    - no_logic_in_create_state
+    - no_runtimeType_toString
+    - non_constant_identifier_names
+    - noop_primitive_operations
+    - null_check_on_nullable_type_parameter
+    - null_closures
+    - omit_local_variable_types
+    - one_member_abstracts
+    - only_throw_errors
+    - overridden_fields
+    - package_api_docs
+    - package_names
+    - package_prefixed_library_names
+    - parameter_assignments
+    - prefer_adjacent_string_concatenation
+    - prefer_asserts_in_initializer_lists
+    - prefer_asserts_with_message
+    - prefer_collection_literals
+    - prefer_conditional_assignment
+    - prefer_const_constructors
+    - prefer_const_constructors_in_immutables
+    - prefer_const_declarations
+    - prefer_const_literals_to_create_immutables
+    - prefer_constructors_over_static_methods
+    - prefer_contains
+    - prefer_double_quotes
+    - prefer_equal_for_default_values
+    - prefer_expression_function_bodies
+    - prefer_final_fields
+    - prefer_final_in_for_each
+    - prefer_final_locals
+    - prefer_final_parameters
+    - prefer_for_elements_to_map_fromIterable
+    - prefer_foreach
+    - prefer_function_declarations_over_variables
+    - prefer_generic_function_type_aliases
+    - prefer_if_elements_to_conditional_expressions
+    - prefer_if_null_operators
+    - prefer_initializing_formals
+    - prefer_inlined_adds
+    - prefer_int_literals
+    - prefer_interpolation_to_compose_strings
+    - prefer_is_empty
+    - prefer_is_not_empty
+    - prefer_is_not_operator
+    - prefer_iterable_whereType
+    - prefer_mixin
+    - prefer_null_aware_method_calls
+    - prefer_null_aware_operators
+    - prefer_relative_imports
+    - prefer_single_quotes
+    - prefer_spread_collections
+    - prefer_typing_uninitialized_variables
+    - prefer_void_to_null
+    - provide_deprecation_message
+    - public_member_api_docs
+    - recursive_getters
+    - require_trailing_commas
+    - sized_box_for_whitespace
+    - slash_for_doc_comments
+    - sort_child_properties_last
+    - sort_constructors_first
+    - sort_pub_dependencies
+    - sort_unnamed_constructors_first
+    - test_types_in_equals
+    - throw_in_finally
+    - tighten_type_of_initializing_formals
+    - type_annotate_public_apis
+    - type_init_formals
+    - unawaited_futures
+    - unnecessary_await_in_return
+    - unnecessary_brace_in_string_interps
+    - unnecessary_const
+    - unnecessary_constructor_name
+    - unnecessary_final
+    - unnecessary_getters_setters
+    - unnecessary_lambdas
+    - unnecessary_new
+    - unnecessary_null_aware_assignments
+    - unnecessary_null_checks
+    - unnecessary_null_in_if_null_operators
+    - unnecessary_nullable_for_final_variable_declarations
+    - unnecessary_overrides
+    - unnecessary_parenthesis
+    - unnecessary_raw_strings
+    - unnecessary_statements
+    - unnecessary_string_escapes
+    - unnecessary_string_interpolations
+    - unnecessary_this
+    - unrelated_type_equality_checks
+    - unsafe_html
+    - use_build_context_synchronously
+    - use_full_hex_values_for_flutter_colors
+    - use_function_type_syntax_for_parameters
+    - use_if_null_to_convert_nulls_to_bools
+    - use_is_even_rather_than_modulo
+    - use_key_in_widget_constructors
+    - use_late_for_private_fields_and_variables
+    - use_named_constants
+    - use_raw_strings
+    - use_rethrow_when_possible
+    - use_setters_to_change_properties
+    - use_string_buffers
+    - use_test_throws_matchers
+    - use_to_and_as_if_applicable
+    - valid_regexps
+    - void_checks

analysis_options.yaml

@@ -1,29 +1,94 @@
-# This file configures the analyzer, which statically analyzes Dart code to
-# check for errors, warnings, and lints.
+# Specify analysis options.
 #
-# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
-# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
-# invoked from the command line by running `flutter analyze`.
-
-# The following line activates a set of recommended lints for Flutter apps,
-# packages, and plugins designed to encourage good coding practices.
-include: package:flutter_lints/flutter.yaml
+# See https://dash-overflow.net/articles/getting_started/ about linting
+# and why not to use other linters or linter packages.
+include: all_lint_rules.yaml
+analyzer:
+  strong-mode:
+    implicit-casts: true
+    implicit-dynamic: true
+  errors:
+    # Otherwise, cause the import of all_lint_rules to warn because of some rules conflicts.
+    # We explicitly enabled even conflicting rules and are fixing the conflict
+    # in this file
+    included_file_warning: ignore
+    # Treat missing required parameters as an error, not as a hint or a warning.
+    missing_required_param: error
+    # Treat missing returns as an error, not as a hint or a warning.
+    missing_return: error
+    # Don't assign new values to parameters of methods or functions.
+    parameter_assignments: warning
+  exclude:
+    # exclude generated files
+    - "**/*.g.dart"
+    - "**/*.config.dart"
+    - "**/*.freezed.dart"
+    - "**/router.gr.dart"
+    - "**/generated_plugin_registrant.dart"
 
 linter:
-  # The lint rules applied to this project can be customized in the
-  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
-  # included above or to enable additional rules. A list of all available lints
-  # and their documentation is published at
-  # https://dart-lang.github.io/linter/lints/index.html.
-  #
-  # Instead of disabling a lint rule for the entire project in the
-  # section below, it can also be suppressed for a single line of code
-  # or a specific dart file by using the `// ignore: name_of_lint` and
-  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
-  # producing the lint.
   rules:
-    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
-    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
+    # Conflicts with `prefer_single_quotes`
+    # Single quotes are easier to type and don't compromise on readability.
+    prefer_double_quotes: false
+
+    # Incompatible with `prefer_final_locals`
+    # Having immutable local variables makes larger functions more predictable,
+    # so we will use `prefer_final_locals` instead.
+    unnecessary_final: false
+
+    # Not quite suitable for Flutter, which may have a `build` method with a single
+    # return, but that return is still complex enough that a "body" is worth it.
+    prefer_expression_function_bodies: false
+
+    # Conflicts with the convention used by flutter, which puts `Key key`
+    # and `@required Widget child` last.
+    always_put_required_named_parameters_first: false
+
+    # This project doesn't use Flutter-style todos
+    flutter_style_todos: false
+
+    # Conflicts with `prefer_relative_imports`.
+    always_use_package_imports: false
+
+    # Will make the code verbose. Specially widgets,
+    always_specify_types: false
+
+    # This is not used by most packages and the flutter framework itself.
+    sort_constructors_first: false
+
+    # Sometimes it is necessary to define the variable type, for example,
+    # when using a `late` keyword.
+    omit_local_variable_types: false
+
+    # It is not that much useful for an app we are writing.
+    diagnostic_describe_all_properties: false
+
+    # This is just a personal preference.
+    #
+    # Conflicts with avoid_setters_without_getters.
+    use_setters_to_change_properties: false
+
+    # Will make complicated typedef easily readable.
+    avoid_private_typedef_functions: false
+
+    # Sometimes some classes contain a single method that does only one thing.
+    one_member_abstracts: false
+
+    # Classes with static members are handy for organizing mocks or fakes for testing.
+    avoid_classes_with_only_static_members: false
+
+    # This is just a personal preference. I think it makes a code less readable sometimes.
+    cascade_invocations: false
+
+    # This sometimes makes things more unclear when one line is enough.
+    always_put_control_body_on_new_line: false
+
+    # Conflicts with `parameter_assignments`.
+    prefer_final_parameters: false
+
+    # This rule forces commas even in places where it just adds extra lines that add little value.
+    require_trailing_commas: false
 
-# Additional information about this file can be found at
-# https://dart.dev/guides/language/analysis-options
+    # We need to override classes with `==` operators most of the time for testing purpose.
+    avoid_implementing_value_types: false

lib/application/application.dart

@@ -0,0 +1 @@
+export 'view/view.dart';

lib/application/view/application.dart

@@ -0,0 +1,18 @@
+import 'package:flutter/material.dart';
+
+/// {@template application}
+/// An entry widget to the application.
+/// {@endtemplate}
+class Application extends StatelessWidget {
+  /// {@macro application}
+  const Application({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'FXD',
+      debugShowCheckedModeBanner: false,
+      theme: ThemeData(primarySwatch: Colors.blue),
+    );
+  }
+}

lib/application/view/view.dart

@@ -0,0 +1 @@
+export 'application.dart';