linter 1.29.0

The implementation of the lint rules supported by the analyzer framework. This package is not intended to be used directly.

1.29.0

• new lint: dangling_library_doc_comments
• fix no_leading_underscores_for_local_identifiers to not report super formals as local variables
• fix unnecessary_overrides false negatives
• fix cancel_subscriptions for nullable fields
• new lint: collection_methods_unrelated_type
• update library_names to support unnamed libraries
• fix unnecessary_parenthesis support for as-expressions
• fix use_build_context_synchronously to check for context property accesses
• fix false positive in comment_references
• improved unrelated type checks to handle enums and cascades
• fix unnecessary_brace_in_string_interps for this expressions
• update use_build_context_synchronously for BuildContext.mounted
• improve flutter_style_todos to handle more cases
• fix use_build_context_synchronously to check for BuildContexts in named expressions
• fix exhaustive_cases to check parenthesized expressions
• performance improvements for:
  • avoid_null_checks_in_equality_operators
  • join_return_with_statement
  • recursive_getters
  • unnecessary_lambdas
  • diagnostic_describe_all_properties
  • prefer_foreach
  • avoid_escaping_inner_quotes
  • cascade_invocations
  • tighten_type_of_initializing_formals
  • prefer_interpolation_to_compose_strings
  • prefer_constructors_over_static_methods
  • avoid_returning_null
  • parameter_assignments
  • prefer_constructors_over_static_methods
  • prefer_interpolation_to_compose_strings
  • avoid_returning_null
  • avoid_returning_this
  • flutter_style_todos
  • avoid_positional_boolean_parameters
  • prefer_const_constructors
• new lint: implicit_call_tearoffs
• new lint: unnecessary_library_directive

1.28.0

• update avoid_redundant_argument_values to work with enum declarations
• performance improvements for prefer_contains
• new lint: unreachable_from_main
• (internal): analyzer API updates and DartTypeUtilities refactoring

1.27.0

• fix avoid_redundant_argument_values when referencing required parameters in legacy libraries
• performance improvements for use_late_for_private_fields_and_variables
• new lint: use_string_in_part_of_directives
• fixed use_super_parameters false positive with repeated super parameter references
• updated use_late_for_private_fields_and_variables to handle enums
• fixed prefer_contains false positive when start index is non-zero
• improved noop_primitive_operations to catch .toString() in string interpolations
• updated public_member_api_docs to report diagnostics on extension names (instead of bodies)
• miscellaneous documentation improvements
• (internal): DartTypeUtilities refactoring

1.26.0

• new lint: combinators_ordering
• fixed use_colored_box and use_decorated_box to not over-report on containers without a child
• fixed false positive for unnecessary_parenthesis on a map-or-set literal at the start of an expression statement
• fixed false positive for prefer_final_locals reporting on fields
• fixed unnecessary_overrides to allow overrides on @Protected members
• fixed avoid_multiple_declarations_per_line false positive in for statements
• fixed prefer_final_locals false positive on declaration lists with at least one non-final variable
• fixed use_build_context_synchronously to handle awaits in if conditions

1.25.0

• new lint: discarded_futures
• improved message and highlight range for no_duplicate_case_values
• performance improvements for lines_longer_than_80_chars, prefer_const_constructors_in_immutables, and prefer_initializing_formals

1.24.0

• fix prefer_final_parameters to support super parameters
• new lint: unnecessary_to_list_in_spreads
• fix unawaited_futures to handle string interpolated futures
• update use_colored_box to not flag nullable colors
• new lint: unnecessary_null_aware_operator_on_extension_on_nullable

1.23.0

• fixed no_leading_underscores_for_local_identifiers to lint local function declarations
• fixed avoid_init_to_null to correctly handle super initializing defaults that are non-null
• updated no_leading_underscores_for_local_identifiers to allow identifiers with just underscores
• fixed flutter_style_todos to support usernames that start with a digit
• updated require_trailing_commas to handle functions in asserts and multi-line strings
• updated unsafe_html to allow assignments to img.src
• fixed unnecessary_null_checks to properly handle map literal entries

1.22.0

• fixed false positives for unnecessary_getters_setters and prefer_final_fieldswith enhanced enums
• updated to analyzer 3.4.0 APIs
• fixed null-safe variance in invariant_booleans

1.21.2

• several use_super_parameters false positive fixes
• updated depend_on_referenced_packages to treat flutter_gen as a virtual package, not needing an explicit dependency

1.21.1

• bumped language lower-bound constraint to 2.15.0

1.21.0

• fixed use_key_in_widget_constructors false positive with key super parameter initializers
• fixed use_super_parameters false positive with field formal params
• updated unnecessary_null_checks and null_check_on_nullable_type_parameter to handle list/set/map literals, and yield and await expressions

1.20.0

• renamed use_super_initializers to use_super_parameters
• fixed unnecessary_null_aware_assignments property-access false positive

1.19.2

• new lint: use_super_initializers
• new lint: use_enums
• new lint: use_colored_box
• performance improvements for sort_constructors
• doc improvements for always_use_package_imports, avoid_print, and avoid_relative_lib_imports
• update avoid_void_async to skip main functions
• update prefer_final_parameters to not super on super params
• lint updates for enhanced-enums and super-initializer language features
• updated unnecessary_late to report on the variable name
• marked null_check_on_nullable_type_parameter stable

1.18.0

• extend camel_case_types to cover enums
• fix no_leading_underscores_for_local_identifiers to not mis-flag field formal parameters with default values
• fix prefer_function_declarations_over_variables to not mis-flag non-final fields
• performance improvements for prefer_contains
• update exhaustive_cases to skip deprecated values that redirect to other values

1.17.1

• update to analyzer version 3.0

1.17.0

• new lint: unnecessary_late
• fix to no_leading_underscores_for_local_identifiers to allow underscores in catch clauses

1.16.0

• doc improvements for prefer_initializing_formals
• updates to secure_pubspec_urls to check issue_tracker and repository entries
• new lint: conditional_uri_does_not_exist
• performance improvements for missing_whitespace_between_adjacent_strings

1.15.0

• new lint: use_decorated_box
• new lint: no_leading_underscores_for_library_prefixes
• new lint: no_leading_underscores_for_local_identifiers
• new lint: secure_pubspec_urls
• new lint: sized_box_shrink_expand
• new lint: avoid_final_parameters
• improved docs for omit_local_variable_types

1.14.0

• fix omit_local_variable_types to not flag a local type that is required for inference

1.13.0

• allow while (true) { ...} in literal_only_boolean_expressions
• fixed file_names to report at the start of the file (not the entire compilation unit)
• fixed prefer_collection_literals named typed param false positive
• control flow improvements for use_build_context_synchronously

1.12.0

• fixed unnecessary_lambdas false positive for const constructor invocations
• updated avoid_print to allow kDebugMode-wrapped print calls
• fixed handling of initializing formals in prefer_final_parameters
• fixed unnecessary_parenthesis false positive with function expressions

1.11.0

• added support for constructor tear-offs to avoid_redundant_argument_values, unnecessary_lambdas, and unnecessary_parenthesis
• new lint: unnecessary_constructor_name to flag unnecessary uses of .new

1.10.0

• improved regular expression parsing performance for common checks (camel_case_types, file_names, etc.)
• (internal) migrated to analyzer 2.1.0 APIs
• fixed false positive in use_build_context_synchronously in awaits inside anonymous functions
• fixed overridden_fields false positive w/ static fields
• fixed false positive in avoid_null_checks_in_equality_operators w/ non-nullable params
• fixed false positive for deferred imports in prefer_const_constructors

1.9.0

• marked avoid_dynamic_calls stable
• (internal) removed unused MockPubVisitor and MockRule classes
• fixed prefer_void_to_null false positive w/ overridden properties
• (internal) removed references to NodeLintRule in lint rule declarations
• fixed prefer_void_to_null false positive on overriding returns
• fixed prefer_generic_function_type_aliases false positive w/ incomplete statements
• fixed false positive for prefer_initializing_formals with factory constructors
• fixed void_checks false positives with incomplete source
• updated unnecessary_getters_setters to only flag the getter
• improved messages for avoid_renaming_method_parameters
• fixed false positive in prefer_void_to_null
• fixed false positive in omit_local_variable_types
• fixed false positive in use_rethrow_when_possible
• performance improvements for annotate_overrides, prefer_contains, and prefer_void_to_null

1.8.0

• performance improvements for prefer_is_not_empty
• fixed false positive in no_logic_in_create_state
• improve package_names to allow dart identifiers as package names
• fixed false-positive in package_names (causing keywords to wrongly get flagged)
• fixed avoid_classes_with_only_static_member to check for inherited members and also flag classes with only methods
• fixed curly_braces_in_flow_control_structures to properly flag terminating else-if blocks
• improved always_specify_types to support type aliases
• fixed false positive in unnecessary_string_interpolations w/ nullable interpolated strings
• fixed false positive in avoid_function_literals_in_foreach_calls for nullable iterables
• fixed false positive in avoid_returning_null w/ NNBD
• fixed false positive in use_late_for_private_fields_and_variables in the presence of const constructors
• new lint: eol_at_end_of_file
• updated analyzer constraint to >=2.0.0 <3.0.0

1.7.1

• Update analyzer constraint to >=1.7.0 <3.0.0.
• Update meta constraint to >=1.3.0 <3.0.0.

1.7.0

• fixed case-sensitive false positive in use_full_hex_values_for_flutter_colors
• improved try-block and switch statement flow analysis for use_build_context_synchronously
• updated use_setters_to_change_properties to only highlight a method name, not the entire body and doc comment
• updated unnecessary_getters_setters to allow otherwise "unnecessary" getters and setters with annotations
• updated missing_whitespace_between_adjacent_strings to allow String interpolations at the beginning and end of String literals
• updated unnecessary_getters_setters to allow for setters with non-basic assignments (for example, ??= or +=)

1.6.1

• reverted relaxation of sort_child_properties_last to allow for a trailing Widget in instance creations

1.6.0

• relaxed non_constant_identifier_names to allow for a trailing underscore
• fixed false negative in prefer_final_parameters where first parameter is final
• improved directives_ordering sorting of directives with dot paths and dot-separated package names
• relaxed sort_child_properties_last to allow for a trailing Widget in instance creations

1.5.0

• (internal) migrated to SecurityLintCode instead of deprecated SecurityLintCodeWithUniqueName
• (internal) fixed avoid_types_as_parameter_names to skip field formal parameters
• fixed false positives in prefer_interpolation_to_compose_strings where the left operand is not a String
• fixed false positives in only_throw_errors for misidentified type variables
• new lint: depend_on_referenced_packages
• update avoid_returning_null_for_future to skip checks for null-safe libraries
• new lint: use_test_throws_matchers
• relax sort_child_properties_last to accept closures after child
• performance improvements for prefer_contains and prefer_is_empty
• new lint: noop_primitive_operations
• mark avoid_web_libraries_in_flutter as stable
• new lint: prefer_final_parameters
• update prefer_initializing_formals to allow assignments where identifier names don't match

1.4.0

• directives_ordering now checks ordering of package: imports in code outside pub packages
• simple reachability analysis added to use_build_context_synchronously to short-circuit await-discovery in terminating blocks
• use_build_context_synchronously updated to recognize nullable types when accessed from legacy libraries

1.3.0

• non_constant_identifier_names updated to check local variables, for-loop initializers and catch clauses
• error range of lines_longer_than_80_chars updated to start at 80 to make splitting easier
• new lint: require_trailing_commas
• new lint: prefer_null_aware_method_calls

1.2.1

• fix: adjusted SDK lower bound to 2.12.0-0 (from 2.13.0-0)

1.2.0

• improvements to iterable_contains_unrelated_type to better support List content checks
• fixes to camel_case_types and prefer_mixin to support non-function type aliases

1.1.0

• fixed prefer_mixin to properly make exceptions for dart.collection legacy mixins
• improved formatting of source examples in docs
• new lint: use_build_context_synchronously (experimental)
• new lint: avoid_multiple_declarations_per_line

1.0.0

• full library migration to null-safety
• new lint: use_if_null_to_convert_nulls_to_bools
• new lint: deprecated_consistency
• new lint: use_named_constants
• deprecation of avoid_as

0.1.129

• fixed a bug where avoid_dynamic_calls produced false-positives for .call()

0.1.128

• new lint: avoid_dynamic_calls
• (internal): updated avoid_type_to_string to use addArgumentList registry API
• documentation improvements

0.1.127

• fixed crash in prefer_collection_literals when there is no static parameter element

0.1.126

• fixed false negatives for prefer_collection_literals when a LinkedHashSet or LinkedHashMap instantiation is passed as the argument to a function in any position other than the first
• fixed false negatives for prefer_collection_literals when a LinkedHashSet or LinkedHashMap instantiation is used in a place with a static type other than Set or Map

0.1.125

• (internal): update to new PhysicalResourceProvider API

0.1.124

• fixed false positives in prefer_constructors_over_static_methods
• updated package_names to allow leading underscores

0.1.123

• fixed NPEs in unnecessary_null_checks

0.1.122

• fixed NPE in unnecessary_null_checks
• fixed NPE in missing_whitespace_between_adjacent_strings
• updated void_checks for NNBD
• fixed range error in unnecessary_string_escapes
• fixed false positives in unnecessary_null_types
• fixed prefer_constructors_over_static_methods to respect type parameters
• updated always_require_non_null_named_parameters to be NNBD-aware
• updated unnecessary_nullable_for_final_variable_declarations to allow dynamic
• update overridden_fields to not report on abstract parent fields
• fixes to unrelated_type_equality_checks for NNBD
• improvement to type_init_formalsto allow types not equal to the field type

0.1.121

• performance improvements to always_use_package_imports, avoid_renaming_method_parameters, prefer_relative_imports and public_member_api_docs
• (internal): update to analyzer 0.40.4 APIs

0.1.120

• new lint: cast_nullable_to_non_nullable
• new lint: null_check_on_nullable_type_parameter
• new lint: tighten_type_of_initializing_formals
• update public_member_apis to check generic type aliases
• (internal): update to new analyzer APIs

0.1.119

• fix close_sinks to handle this-prefixed property accesses
• new lint: unnecessary_null_checks
• fix unawaited_futures to handle Future subtypes
• new lint: avoid_type_to_string

0.1.118

• new lint: unnecessary_nullable_for_final_variable_declarations
• fixed NPE in prefer_asserts_in_initializer_lists
• fixed range error in unnecessary_string_escapes
• unsafe_html updated to support unique error codes
• updates to diagnostic_describe_all_properties to check for Diagnosticables (not DiagnosticableMixins)
• new lint: use_late
• fixed unnecessary_lambdas to respect deferred imports
• updated public_member_api_docs to check mixins
• updated unnecessary_statements to skip as expressions
• fixed prefer_relative_imports to work with path dependencies

0.1.117

• fixed directives_ordering to remove third party package special-casing
• fixed unnecessary_lambdas to check for tearoff assignability
• fixed exhaustive_cases to not flag missing cases that are defaulted
• fixed prefer_is_empty to special-case assert initializers and const contexts
• test utilities moved to: lib/src/test_utilities
• new lint: do_not_use_environment

0.1.116

• new lint: no_default_cases (experimental)
• new lint: exhaustive_cases
• updated type_annotate_public_apis to allow inferred types in final field assignments
• updated prefer_mixin to allow "legacy" SDK abstract class mixins
• new lint: use_is_even_rather_than_modulo
• update unsafe_html to use a SecurityLintCode (making it un-ignorable)
• improved sized_box_for_whitespace to address false-positives

0.1.115

• updated avoid_types_as_parameter_names to check catch-clauses
• fixed unsafe_html to check attributes and methods on extensions
• extended unsafe_html to include Window.open, Element.html and DocumentFragment.html in unsafe API checks
• improved docs for sort_child_properties_last
• (internal) package:analyzer API updates
• new lint: sized_box_for_whitespace

0.1.114

• fixed avoid_shadowing_type_parameters to support extensions and mixins
• updated non_constant_identifier_names to allow named constructors made up of only underscores (_)
• updated avoid_unused_constructor_parameters to ignore unused params named in all underscores (_)

0.1.113

• updated documentation links
• one_member_abstracts updated to not lint classes with mixins or implementing interfaces
• unnecessary_getters_setters fixed to ignore cases where a getter/setter is deprecated
• new lint: leading_newlines_in_multiline_strings
• improved highlight ranges for avoid_private_typedef_functions and avoid_returning_null_for_future

0.1.112

• marked prefer_typing_uninitialized_variables and omit_local_variable_types as compatible

0.1.111+1

• new lint: use_raw_strings
• new lint: unnecessary_raw_strings
• new lint: avoid_escaping_inner_quotes
• new lint: unnecessary_string_escapes
• incompatible rule documentation improvements

0.1.110

• fixed flutter web plugin detection in avoid_web_libraries_in_flutter
• new lint: unnecessary_string_interpolations
• new lint: missing_whitespace_between_adjacent_strings
• avoid_unused_constructor_parameters updated to ignore deprecated parameters
• new lint: no_runtimeType_toString
• miscellaneous doc fixes

0.1.109

• improvedprefer_single_quotes lint message
• unnecessary_finals fixed to not flag fields
• unnecessary_lambdas fixed to work with type arguments
• (internal) migrated to use analyzer LinterContext.resolveNameInScope() API

0.1.108

• fixes to avoid_redundant_argument_values
• new lint: use_key_in_widget_constructors
• always_put_required_parameters updated for NNBD
• updated to package:analyzer 0.39.3 APIs

0.1.107

• miscellaneous doc cleanup (typos, etc)
• new lint: avoid_redundant_argument_values
• updated slash_for_doc_comments to check mixin declarations
• (internal) updates to use new LinterContext.evaluateConstant API
• improved docs for always_require_non_null_named_parameters

0.1.106

• improved docs for comment_references
• fixed null_closures to properly handle Iterable.singleWhere
• (internal) migrated to latest analyzer APIs
• new lint: no_logic_in_create_state

0.1.105+1

• fixed regressions in always_require_non_null_named_parameters
• (internal) pedantic lint clean-up

0.1.105

• hardened check for lib dir location (fixing crashes in avoid_renaming_method_parameters, prefer_relative_imports and public_member_api_docs)
• improved performance for always_require_non_null_named_parameters

0.1.104

• updated unnecessary_overrides to allow overrides when annotations (besides @override are specified)
• updated file_names to allow names w/ leading _'s (and improved performance)
• new lint: unnecessary_final

0.1.103

• updated prefer_relative_imports to use a faster and more robust way to check for self-package references
• updated our approach to checking for lib dir contents (speeding up avoid_renaming_method_parameters and making prefer_relative_imports and public_member_api_docs amenable to internal package formats -- w/o pubspecs)

0.1.102

• avoid_web_libraries_in_flutter updated to disallow access from all but Flutter web plugin packages
• updated avoid_returning_null_for_void to check only null literals (and not expressions having Null types)
• fixed prefer_final_fields to respect non-mutating prefix operators
• new lint: prefer_is_not_operator
• new lint: avoid_unnecessary_containers
• added basic nnbd-awareness to avoid_init_to_null

0.1.101

• fixed diagnostic_describe_all_properties to flag properties in Diagnosticables with no debug methods defined
• fixed noSuchMethod exception in camel_case_extensions when analyzing unnamed extensions
• fixed avoid_print to catch tear-off usage
• new lint: avoid_web_libraries_in_flutter (experimental)
• (internal) prepare unnecessary_lambdas for coming MethodInvocation vs. FunctionExpressionInvocation changes

0.1.100

• (internal) stop accessing staticType in favor of getting type of FormalParameters from the declared element
• (internal) remove stale analyzer work-around for collecting TypeParameterElements in prefer_const_constructors

0.1.99

• fixed unsafe cast in overridden_fields
• (internal) migrated to the mock SDK in package:analyzer for testing
• fixed empty argument list access in use_full_hex_values_for_flutter_color_fix
• new lint: prefer_relative_imports
• improved messages for await_only_futures

0.1.98

• fixed null raw expression accesses in use_to_and_as_if_applicable
• (internal) migrated to using analyzer InheritanceManager3

0.1.97+1

• enabled camel_case_extensions experimental lint

0.1.97

• internal: migrated away from using analyzer resolutionMap
• various fixes and improvements to anticipate support for extension-methods
• new lint: camel_case_extensions
• rule template generation improvements
• new lint: avoid_equals_and_hash_code_on_mutable_classes
• extended avoid_slow_async_io to flag async Directory methods

0.1.96

• fixed false positives in unnecessary_parens
• various changes to migrate to preferred analyzer APIs
• rule test fixes

0.1.95

• improvements to unsafe_html error reporting
• fixed false positive in prefer_asserts_in_initializer_lists
• fixed prefer_const_constructors to not flag @literal annotated constructors

0.1.94

• (internal): analyzer API call updates
• (internal): implicit cast cleanup

0.1.93

• new lint: avoid_print

0.1.92

• improved prefer_collection_literals to better handle LinkedHashSets and LinkedHashMaps
• updates to the Effective Dart rule set
• updated prefer_final_fields to be more inclusive
• miscellaneous documentation fixes

0.1.91

• fixed missed cases in prefer_const_constructors
• fixed prefer_initializing_formals to no longer suggest API breaking changes
• updated omit_local_variable_types to allow explicit dynamics
• (internal) migration from deprecated analyzer APIs

0.1.90

• fixed null-reference in unrelated_type_equality_checks
• new lint: unsafe_html

0.1.89

• broadened prefer_null_aware_operators to work beyond local variables
• new lint: prefer_if_null_operators
• fixed prefer_contains false positives
• fixed unnecessary_parenthesis false positives

0.1.88

• fixed prefer_asserts_in_initializer_lists false positives
• fixed curly_braces_in_flow_control_structures to handle more cases
• new lint: prefer_double_quotes
• new lint: sort_child_properties_last
• fixed type_annotate_public_apis false positive for static const initializers

0.1.87

• change: prefer_const_constructors_in_immutables is currently overly permissive, pending analyzer changes (#1537)
• fixed unnecessary_await_in_return false positive
• fixed unrelated_type_equality_checks false negative with functions
• fixed prefer_spread_collections to not lint in const contexts
• fixed false positive in prefer_iterable_whereType for is!
• fixed false positive in prefer_collection_literals for constructors with params

0.1.86

• updated prefer_spread_collections to ignore calls to addAll that could be inlined
• new lint: prefer_inlined_adds

0.1.85

• (BREAKING) renamed spread_collections to prefer_spread_collections
• new lint: prefer_for_elements_to_map_fromIterable
• new lint: prefer_if_elements_to_conditional_expressions
• new lint: diagnostic_describe_all_properties

0.1.84

• new lint: spread_collections
• (internal) update to analyzer 0.36.0 APIs
• new lint: prefer_asserts_with_message

0.1.83

• updated file_names to skip prefixed-extension Dart files (e.g., .css.dart, .g.dart)
• updated SDK constraint to 2.2.0
• miscellaneous rule documentation fixes
• (internal) updated sources to use Set literals
• fixed NPE in avoid_shadowing_type_parameters
• added linter version numbering for use in analyzer summaries
• fixed type utilities to handle inheritance cycles
• (internal) changes to adopt new package:analyzer APIs
• fixed unnecessary_parenthesis false positives

0.1.82

• fixed prefer_collection_literals Set literal false positives
• fixed prefer_const_declarations Set literal false positives
• new lint: provide_deprecation_message

0.1.81

• updated prefer_collection_literals to support Set literals

0.1.80

• deprecated super_goes_last
• (internal) migrations to analyzer's preferred InheritanceManager2 API

0.1.79

• unnecessary_parenthesis updated to play nicer with cascades
• new lint: use_full_hex_values_for_flutter_colors
• new lint: prefer_null_aware_operators
• miscellaneous documentation fixes
• removed deprecated lints from the "all options" sample
• stopped registering "default lints"
• hash_and_equals fixed to respect hashCode fields

0.1.78

• restored prefer_final_locals to ignore loop variables, and
• introduced a new prefer_final_in_for_each lint to handle the for each case

0.1.77

• updated prefer_final_locals to check to for loop variables
• fixed type_annotate_public_apis false positives on local functions
• fixed avoid_shadowing_type_parameters to report shadowed type parameters in generic typedefs
• fixed use_setters_to_change_properties to not wrongly lint overriding methods
• fixed cascade_invocations to not lint awaited targets
• fixed prefer_conditional_assignment false positives
• fixed join_return_with_assignment false positives
• fixed cascade_invocations false positives
• miscellaneous documentation improvements
• updated invariant_booleans status to experimental

0.1.76

• unnecessary_parenthesis updated to allow wrapping a ! argument
• miscellaneous documentation grammar and spelling fixes
• improved error messages for always_declare_return_types
• fix prefer_final_fields to work with classes that have generic type arguments
• (internal): deprecated code cleanup
• fixed false positives in unrelated_type_equality_checks

0.1.75

• analyzer package dependency bumped to ^0.34.0

0.1.74

• experimental lints avoid_positional_boolean_parameters, literal_only_boolean_expressions, prefer_foreach, prefer_void_to_null promoted to stable
• unnecessary_parenthesis improved to handle function expressions

0.1.73

• deprecated prefer_bool_in_asserts (redundant w/ Dart 2 checks)
• improved doc generation to highlight deprecated and experimental lints
• bumped analyzer lower-bound to 0.33.4
• bumped SDK lower-bound to 2.1.0
• new lint: unnecessary_await_in_return

0.1.72

• new lint: use_function_type_syntax_for_parameters
• internal changes to migrate towards analyzer's new LinterContext API
• fix false positive in use_setters_to_change_properties
• implementation improvements (and speed-ups) to prefer_foreach and public_member_api_docs
• new lint: avoid_returning_null_for_future
• new lint: avoid_shadowing_type_parameters

0.1.71

• new lint: prefer_int_literals
• update await_only_futures to allow awaiting on null
• update use_setters_to_change_properties to work with => short-hand

0.1.70

• fix NPE in prefer_iterable_whereType

0.1.69

• improved message display for await_only_futures
• performance improvements for null_closures
• new lint: avoid_returning_null_for_void

0.1.68

• updated analyzer compatibility to ^0.33.0

0.1.67

• miscellaneous mixin support fixes
• update to sort_constructors_first to apply to all members
• update unnecessary_this to work on field initializers

0.1.66

• broadened SDK version constraint

0.1.65

• fix cast exceptions related to mixin support

0.1.64

• fixes to better support mixins

0.1.63

• updated unawaited_futures to ignore assignments within cascades
• new lint: sort_pub_dependencies

0.1.62

• new lint: prefer_mixin
• new lint: avoid_implementing_value_types

0.1.61

• new lint: flutter_style_todos
• improved handling of constant expressions with generic type params
• NPE fix for invariant_booleans
• Google lints example moved to package:pedantic
• improved docs for unawaited_futures

0.1.60

• new lint: avoid_void_async
• unawaited_futures updated to check cascades

0.1.59

• relaxed void_checks (allowing T Function() to be assigned to void Function())
• test and build improvements
• introduced Effective Dart rule set
• Google ruleset updates
• (internal cleanup): move cli main into lib/
• fixed false positives in lines_longer_than_80_chars
• new lint: prefer_void_to_null

0.1.58

• roll-back to explicit uses of new and const to be compatible w/ VMs running --no-preview-dart-2

0.1.57

• fix to lines_longer_than_80_chars to handle CRLF endings
• doc improvements
• set max SDK version to <3.0.0
• fix to non_constant_identifier_names to better handle invalid code
• new lint: curly_braces_in_flow_control_structures

0.1.56

• fix to avoid_positional_boolean_parameters to ignore overridden methods
• fix to prefer_is_empty to not evaluate constants beyond int literals
• new lint: null_closures
• new lint: lines_longer_than_80_chars

0.1.55

• fixed an issue in const error handling
• updated linter binary to use previewDart2

0.1.54

• new unnecessary_const lint
• new unnecessary_new lint
• fixed errors in use_to_and_as_if_applicable
• new file_names lint

0.1.53

• updated unnecessary_statements to ignore getters (as they may be side-effecting).

0.1.52

• fixed void_checks to handle arguments not resolved to a parameter
• fixed exceptions produced by prefer_const_literals_to_create_immutables

0.1.51

• unrelated_type_equality_checks now allows comparison between Int64 or Int32 and int
• unnecessary_parenthesis improved to handle cascades in cascades

0.1.50

• migration of rules to use analyzer package NodeLintRule and UnitLintRule yielding significant performance gains all around
• specific performance improvements for prefer_final_fields (~6x)
• addressed no such method calls in void_checks
• improved lint reporting for various lints

0.1.49

• new void_checks lint

0.1.48

• new avoid_field_initializers_in_const_classes lint
• miscellaneous documentation fixes
• improved handling of cascades in unnecessary_statements
• new avoid_js_rounded_ints lint

0.1.47

• new avoid_double_and_int_checks lint
• fix to handle uninitialized vars in prefer_const_declarations
• fix for generic function type handling in avoid_types_as_parameter_names
• new prefer_iterable_whereType lint
• new prefer_generic_function_type_aliases lint
• Dart 2 compatibility fixes

0.1.46

• performance fixes for library prefix testing (library_prefixes)
• new avoid_bool_literals_in_conditional_expressions lint
• new prefer_equal_for_default_values lint
• new avoid_private_typedef_functions lint
• new avoid_single_cascade_in_expression_statements lint

0.1.45

• fix for invariant_booleans when analyzing for loops with no condition
• new avoid_types_as_parameter_names lint
• new avoid_renaming_method_parameters lint

0.1.44

• new avoid_relative_lib_imports lint
• new unnecessary_parenthesis lint
• fix to prefer_const_literals_to_create_immutables to handle undefined classes gracefully
• updates to prefer_const_declarations to support optional new and const
• prefer_const_declarations updated to check locals
• fixes to invariant_booleans
• bumped SDK lower bound to 2.0.0-dev
• build and workflow improvements: rule template fixes; formatting and header validation
• miscellaneous documentation fixes

0.1.43

• new prefer_const_declarations.dart lint
• new prefer_const_literals_to_create_immutables lint
• miscellaneous documentation improvements

0.1.42

• added support for external constructors in avoid_unused_constructor_parameters
• added code reference resolution docs for comment_references

0.1.41

• broadened args package dependency to support versions 1.*

0.1.40

• avoid_unused_constructor_parameters updated to better handle redirecting factory constructors
• avoid_returning_this improvements
• prefer_bool_in_asserts improvements
• miscellaneous documentation fixes

0.1.39

• prefer_interpolation_to_compose_strings updated to allow concatenation of two non-literal strings
• prefer_interpolation_to_compose_strings updated to allow +=
• lots of rule documentation fixes and enhancements
• fix for prefer_const_constructors_in_immutables false positive with redirecting factory constructors

0.1.38

• public_member_api_docs fix for package URIs

0.1.37

• avoid_positional_boolean_parameters updated to allow booleans in operator declarations
• comment_references fixed to handle incomplete references
• non_constant_identifier_names updated to allow underscores around numbers

0.1.36

• new avoid_unused_constructor_parameters lint
• new prefer_bool_in_asserts lint
• new prefer_typing_uninitialized_variables lint
• new unnecessary_statements lint
• public_member_api_docs updated to only lint source in lib/
• 'avoid_empty_else' fixed to ignore synthetic EmptyStatements
• updated library prefix checking to allow leading $s
• miscellaneous documentation fixes
• Dart SDK constraints restored (removed unneeded 2.0.0-dev.infinity constraint)

0.1.35

• linter engine updated to use new analysis driver

0.1.34

Features

• non_constant_identifier_names extended to include named constructors
• SDK constraint broadened to 2.0.0-dev.infinity
• improved prefer_final_fields performance

Fixes

• fixes to unnecessary_overrides (noSuchMethod handling, return type narrowing, special casing of documented super calls)
• fix to non_constant_identifier_names to handle identifiers with no name
• fixes to prefer_const_constructors to support list literals
• fixes to recursive_getters
• fixes to cascade_invocations

0.1.33

Features

• new prefer_const_constructors_in_immutables lint
• new always_put_required_named_parameters_first lint
• new prefer_asserts_in_initializer_lists lint
• support for running in --benchmark mode
• new prefer_single_quote_strings lint

Fixes

• docs for avoid_setters_without_getters
• fix to directives_ordering to work with part directives located after exports
• fixes to cascade_invocations false positives
• fixes to literal_only_boolean_expressions false positives
• fix to ensure cascade_invocations only lints method invocations if target is a simple identifier
• fixes to use_string_buffers false positives
• fixes to prefer_const_constructors

0.1.32

• Lint stats (-s) output now sorted.

0.1.31

• New prefer_foreach lint.
• New use_string_buffers rule.
• New unnecessary_overrides rule.
• New join_return_with_assignment_when_possible rule.
• New use_to_and_as_if_applicable rule.
• New avoid_setters_without_getters rule.
• New always_put_control_body_on_new_line rule.
• New avoid_positional_boolean_parameters rule.
• New always_require_non_null_named_parameters rule.
• New prefer_conditional_assignment rule.
• New avoid_types_on_closure_parameters rule.
• New always_put_control_body_on_new_line rule.
• New use_setters_to_change_properties rule.
• New avoid_returning_this rule.
• New avoid_annotating_with_dynamic_when_not_required rule.
• New prefer_constructors_over_static_methods rule.
• New avoid_returning_null rule.
• New avoid_classes_with_only_static_members rule.
• New avoid_null_checks_in_equality_operators rule.
• New avoid_catches_without_on_clauses rule.
• New avoid_catching_errors rule.
• New use_rethrow_when_possible rule.
• Many lint fixes (notably prefer_final_fields, unnecessary_lambdas, await_only_futures, cascade_invocations, avoid_types_on_closure_parameters, and overridden_fields).
• Significant performance improvements for prefer_interpolation_to_compose_strings.
• New unnecessary_this rule.
• New prefer_initializing_formals rule.

0.1.30

• New avoid_function_literals_in_foreach_calls lint.
• New avoid_slow_async_io lint.
• New cascade_invocations lint.
• New directives_ordering lint.
• New no_adjacent_strings_in_list lint.
• New no_duplicate_case_values lint.
• New omit_local_variable_types lint.
• New prefer_adjacent_string_concatenation lint.
• New prefer_collection_literals lint.
• New prefer_const_constructors lint.
• New prefer_contains lint.
• New prefer_expression_function_bodies lint.
• New prefer_function_declarations_over_variables lint.
• New prefer_initializing_formals lint.
• New prefer_interpolation_to_compose_strings lint.
• New prefer_is_empty lint.
• New recursive_getters lint.
• New unnecessary_brace_in_string_interps lint.
• New unnecessary_lambdas lint.
• New unnecessary_null_aware_assignments lint.
• New unnecessary_null_in_if_null_operators lint.
• Miscellaneous bug fixes and codegen improvements.

0.1.29

• New cascade_invocations lint.
• Expand await_only_futures to accept classes that extend or implement Future.
• Improve camel case regular expression tests to accept $s.
• Fixes to parameter_assignments (improved getter handling and an NPE).

0.1.27

• Fixed cast exception in dart_type_utilities (dart-lang/sdk#27405).
• New parameter_assignments lint.
• New prefer_final_fields lint.
• New prefer_final_locals lint.
• Markdown link fixes in docs (#306).
• Miscellaneous solo test running fixes and introduction of solo_debug (#304).

0.1.26

• Updated tests to use package test (#302).

0.1.25

• Fixed false positive on []= in always_declare_return_types (#300).
• New invariant_booleans lint.
• New literal_only_boolean_expressions lint.
• Fixed camel_case_types to allow $ in identifiers (#290).

0.1.24

• Internal updates to keep up with changes in the analyzer package.
• Updated close_sinks to respect calls to destroy (#282).
• Fixed only_throw_errors to report on the expression not node.

0.1.23

• Removed whitespace_around_ops pending re-name and re-design (#249).

0.1.22

• Grinder support (rule:rule_name and docs:location) for rule stub and doc generation (respectively).
• Fix to allow leading underscores in non_constant_identifier_names.
• New valid_regexps lint (#277).
• New whitespace_around_ops lint (#249).
• Fix to overridden_fields to flag overridden static fields (#274).
• New list_remove_unrelated_type to detect passing a non-T value to `List.remove()`` (#271).
• New empty_catches lint to catch empty catch blocks (#43).
• Fixed close_sinks false positive (#268).
• linter support for --strong to allow for running linter in strong mode.

0.1.21

• New only_throw_errors lint.
• New lint to check for empty_statements (#259).
• Fixed NSME when file contents cannot be read (#260).
• Fixed unsafe cast in iterable_contains_unrelated_type (#267).

0.1.20

• New cancel_subscriptions lint.

0.1.19

• New close_sinks lint.
• Fixes to iterable_contains_unrelated_type .

0.1.18

• Fix NSME in iterable_contains_unrelated_type (#245).
• Fixed typo in comment_references error description.
• Fix overriden_field false positive (#246).
• Rename linter binary lints option to rules (#248).
• Help doc tweaks.

0.1.17

• Fix to public_member_api_docs to check for documented getters when checking setters (#237).
• New iterable_contains_unrelated_type lint to detect when Iterable.contains is invoked with an object of an unrelated type.
• New comment_references lint to ensure identifiers referenced in docs are in scope (#240).

0.1.16

• Fix for false positive in overriden_fields.
• New unrelated_type_equality_checks lint.
• Fix to accept $ identifiers in string interpolation lint (#214).
• Update to new plugin API (0.2.0).
• Strong mode cleanup.

0.1.15

• Fix to allow simple getter/setters when a decl is ``@protected` (#215).
• Fix to not require type params in is checks (#227).
• Fix to not flag field formal identifiers in parameters (#224).
• Fix to respect filters when calculating error codes (#198).
• Fix to allow const and final vars to be initialized to null (#210).
• Fix to respect commented blocks in empty_constructor_bodies (#209).
• Fix to check types on list/map literals (#199).
• Fix to skip main when checking for API docs (#207).
• Fix to allow leading $ in type names (#220).
• Fix to ignore private typedefs when checking for types (#216).
• New test_types_in_equals lint.
• New await_only_futures lint.
• New throw_in_finally lint.
• New control_flow_in_finally lint.

0.1.14

• Fix to respect @optionalTypeArgs (#196).
• Lint to warn if a field overrides or hides other field.
• Fix to allow single char UPPER_CASE non-constants (#201).
• Fix to accept casts to dynamic (#195).

0.1.13

• Fix to skip overriding members in API doc checks (public_member_api_docs).
• Fix to suppress lints on synthetic nodes/tokens (#193).
• Message fixes (annotate_overrides, public_member_api_docs).
• Fix to exclude setters from return type checks (#192).

0.1.12

• Fix to address LibraryNames regexp that in pathological cases went exponential.

0.1.11

• Doc generation improvements (now with options samples).
• Lint to sort unnamed constructors first (#187).
• Lint to ensure public members have API docs (#188).
• Lint to ensure constructors are sorted first (#186).
• Lint for hashCode and == (#168).
• Lint to detect un-annotated overrides (#167).
• Fix to ignore underscores in public APIs (#153).
• Lint to check for return types on setters (#122).
• Lint to flag missing type params (#156).
• Lint to avoid inits to null (#160).

0.1.10

• Updated to use analyzer 0.27.0.
• Updated options processing to handle untyped maps (dart-lang/sdk#25126).

0.1.9

• Fix type_annotate_public_apis to properly handle getters/setters (#151; dart-lang/sdk#25092).

0.1.8

• Fix to protect against errors in linting invalid source (dart-lang/sdk#24910).
• Added avoid_empty_else lint rule (dart-lang/sdk#224936).

0.1.7

• Fix to package_api_docs (dart-lang/sdk#24947; #154).

0.1.6

• Fix to package_prefixed_library_names (dart-lang/sdk#24947; #154).

0.1.5

• Added prefer_is_not_empty lint rule (#143).
• Added type_annotate_public_apis lint rule (#24).
• Added avoid_as lint rule (#145).
• Fixed non_constant_identifier_names rule to special case underscore identifiers in callbacks.
• Fix to escape _s in callback type validation (addresses false positives in always_specify_types) (#147).

0.1.4

• Added always_declare_return_types lint rule (#146).
• Improved always_specify_types to detect missing types in declared identifiers and narrowed source range to the token.
• Added implementation_imports lint rule (#33).
• Test performance improvements.

0.1.3+5

• Added always_specify_types lint rule (#144).

0.1.3+4

• Fixed linter registry memory leaks.

0.1.3

• Fixed various options file parsing issues.

0.1.2

• Fixed false positives in unnecessary_brace_in_string_interp lint. Fix #112.

0.1.1

• Internal code and dependency constraint cleanup.

0.1.0

• Initial stable release.

0.0.2+1

• Added machine output option. Fix #69.
• Fixed resolution of files in lib/ to use a package: URI. Fix #49.
• Tightened up analyzer package constraints.
• Fixed false positives in one_member_abstracts lint. Fix #64.

0.0.2

• Initial push to pub.