Changelog

6.3.0

Allow custom builders to use setter/getter pairs instead of normal fields.
Add an option to @BuiltValue to turn off auto instantiation of nested builders.
Add @BuiltValueSerializer annotation which gives the option to specify a custom serializer for a class.
Make it possible to merge Serializers instances: add a serializers getter that returns the installed serializers.
Add serializer for RegExp fields.
Allow analyzer 0.34.0.

6.2.0

New features:

Add an option to @BuiltValue to generate comparable builders.
Add serializer for Duration fields.
Add serializerForType and serializerForWireName methods to Serializers.

Improvements:

Add ignore for avoid_as lint to generated code.
Put ignored lints on a single line at the end of the generated output.
Stop checking for import of built_value.dart when EnumClass is used; this was expensive.

Fixes:

Fix tests following changes to source_gen error output.
Fix generation when new mixin declarations are used.
Support dollar signs in enum value names.
Fix nested collections when using a custom builder.

6.1.6

Switch to new analyzer API in version 0.33.3.

6.1.5

Bump versions of analyzer, analyzer_plugin, build, build_runner.

6.1.4

Allow polymorphic base classes to omit implementing Built while still implementing any other interface(s).
Allow the dollar character in wireName settings.
Allow build version 1.0.

6.1.3

Add built_value_test support for remaining built collections.

6.1.2

Fix generated operator== when a type uses generic functions.
Fix generated code for curly_braces_in_control_flow lint.

6.1.1

Allow build_runner 0.10.0.

6.1.0

Improve generation for operator==, don't use dynamic.
Improve error message and documentation for missing builder factory.
Allow built_collection 4.0.0.
Fix code generation stack overflow when there is a loop in serializable types.
Fix library name output in generation error messages.
Add ignores for lints 'unnecessary_const' and 'unnecessary_new' to generated code.

6.0.0

Update to the latest source_gen. This generator can now be used with other generators that want to write to .g.dart files without a manual build script.
Breaking change: The "header" configuration on this builder is now ignored.

5.5.5

Allow SDK 2.0.0.

5.5.4

Add ignores for lints 'lines_longer_than_80_chars' and 'avoid_catches_without_on_clauses' to generated code.
Bump version of quiver.

5.5.3

Bump versions of build_runner, build_config and shelf.

5.5.2

Fix violations of prefer_equal_for_default_values lint.

5.5.1

Bump versions of analyzer, analyzer_plugin.

5.5.0

Support serializing BuiltSet with StandardJsonPlugin. It's serialized to a JSON list.
Add Iso8601DateTimeSerializer for use when you want ISO8601 serialization instead of microseconds since epoch.
Fix code generation when inherited generic fields are made non-generic.

5.4.5

Improve error message on failure to deserialize.
Move check forbidding instantiation with dynamic type parameters from builder to value class. Previously, you could avoid the check by using the generated constructor called _.

5.4.4

Removed dependency on build_config from built_value and added it to built_value_generator.

5.4.3

Allow source_gen 0.8.0.

5.4.2

Make StandardJsonPlugin return Map<String, Object>, as the firebase libraries expect, instead of Map<Object, Object>.

5.4.1

Fix analyzer plugin loading. It should now work, provided you modify your analysis_options.yaml as suggested.

5.4.0

Add an experimental analyzer plugin that surfaces compile time generation errors as suggestions in your IDE. Turn it on by modifying your analysis_options.yaml file to add plugins entries, example.

5.3.0

Support serializing BigInt.
Add support for setting the generated header in a build.yaml file in your project. See example/build.yaml for an example.
Explicitly forbid serialization of Function and typedef types; these fields need to be marked @BuiltValueField(serialize: false).
Fix generation when a field picked up via inheritance is a function type defined in another source file.
Fail with a helpful error message if @SerializersFor annotation list contains an undefined symbol.

5.2.2

Fix built_value_generator/build.yaml to run generator on self package.
Fix end_to_end_test/pubspec.yaml to include build_runner.
Fix internal use of deprecated SDK constants.
Remove polymorphism examples that no longer work in Dart 2. Proper fix to come.
Allow quiver 0.29.

5.2.1

Type fixes for DDC.

5.2.0

Upgrade to latest built_runner. You no longer need build.dart or watch.dart. Instead, make sure you have a dev dependency on built_value_generator and build_runner, then run pub run build_runner build or pub run build_runner watch.
Note: this version requires the pre release of the Dart 2 SDK.

5.1.3

Generate simpler deserialization code for built_collection instances.

5.1.2

Fix generated serialization code when a manually declared builder causes a field to not use a nested builder.

5.1.1

Workaround for analyzer issue when implementing multiple classes that use @BuiltValue(instantiable: false).

5.1.0

Relax restriction on extends to allow for one special case: sharing of code between built_value and const classes. The base class in question must be abstract, have no fields, have no abstract getters and must not implement operator==, hashCode or toString.

5.0.1

Allow quiver 0.28.

5.0.0

Introduce restrictions on using built_value in unsupported ways:

Prohibit use of extends in built_value classes. Classes should inherit API using implements and API+implementation using extends Object with.
Prohibit use of show or as when importing 'package:built_value/built_value.dart'. The generated code needs access to all symbols in the package with no import prefix.
Prohibit use of the mutable collection types List, Set, Map, ListMultimap and SetMultimap. Suggest built_collection equivalents instead.

If any of these restrictions causes problem for you, please file an issue on github: https://github.com/google/built_value.dart/issues

4.6.1

Allow hand-coded base builders, that is, builders for classes with @BuiltValue(instantaible: false). They are now allowed to not implement Builder (as a workaround for a dart2js issue); they are allowed to omit fields; and they must omit constructor and factory.

4.6.0

Add custom Error classes: BuiltValueNullFieldError, BuiltValueMissingGenericsError and BuiltValueNestedFieldError. These provide clearer error messages on failure. In particular, errors in nested builders now report the enclosing class and field name, making them much more useful.
Fix serialization when using polymorphism with StandardJsonPlugin.

4.5.2

Allow built_collection 3.0.0.
Allow quiver 0.27.

4.5.1

Fix generation when analyzing using summaries.

4.5.0

New features:

Add serialize field to @BuiltValueField. Use this to tag fields to skip when serializing.
Add wireName field to @BuiltValue and @BuiltValueField. Use this to override the wire name for classes and fields when serializing.
Add @BuiltValueEnum and @BuiltValueEnumConst annotations for specifying settings for enums. Add wireName field to these to override the wire names in enums when serializing.
Add support for polymorphism to StandardJsonPlugin. It will now specify type names as needed via a discriminator field, which by defualt is called $. This can be changed in the StandardJsonPlugin constructor.
Add BuiltListAsyncDeserializer. It provides a way to deserialize large responses without blocking, provided the top level serialized type is BuiltList.
Add built in serializer for Uri.

Improvements:

Allow declaration of multiple Serializers in the same file.
Explicitly disallow private fields; fail with an error during generation if one is found.
Improve error message for field without type.

Fixes:

Fix generated builder when fields hold function types.
Fix checks and generated builder when manually maintained builder has generics.
Fix name of classes generated from a private class.
Fix builder and serializer generation when importing with a prefix.

4.4.1

Use build 0.11.1 and build_runner 0.6.0.

4.4.0

New annotation, BuiltValueField, for configuring fields. First setting available is compare. Set to false to ignore a particular field for operator== and hashCode.
Generator now has a const constructor.

4.3.4

Fix for built_collection 2.0.0.

4.3.3

Allow quiver 0.26.

4.3.2

Fix generation when a field is found via two levels of inheritance.

4.3.1

Fix generation when a field comes from an interface but is also implemented by a mixin.

4.3.0

Support serializing Int64.

4.2.1

Correct handling of import prefixes; fixes some corner cases in generation.

4.2.0

Generated code ignores more lints.
Add a workaround so "polymorphism" features can be used with dart2js. See example/lib/polymorphism.dart.
Deal explicitly with the user defining their own operator==, hashCode and/or toString(). Previously, they would just not work. Now, custom operator== and hashCode are forbidden at compile time, but custom toString() is supported.

4.1.1

Generated code now tells the analyzer to ignore prefer_expression_function_bodies and sort_constructors_first.
Remove an unneeded use of computeNode in generator; improves generator performance.

4.1.0

Improved annotation handling for corner cases.
Pick up field declarations from mixins as well as interfaces.

4.0.0

Fix generated polymorphic builders for the analyzer. Mark the rebuild method with covariant so the analyzer knows that, for example, a CatBuilder cannot accept an Animal.
Update to build 0.10.0 and build_runner 0.4.0. Please update your build.dart and watch.dart as shown in the examples.

3.0.0

Fix DateTime serialization; include microseconds. This is a breaking change to the JSON format.
Add SerializersFor annotation. Classes to serialize are no longer found by scanning all available libraries, as this was slow and hard to control. Instead, specify which classes you need to serialize using the new annotation on your "serializers" declaration. You only need to specify the "root" classes; the classes needed for the fields of classes you specify are included, transitively.

2.1.0

Add "nestedBuilders" setting. Defaults to true; set to false to stop using nested builders by default in fully generated builders.
Allow fields to be called 'result'.
Fix generation when a field is a noninstantiable built value: don't try to instantiate the abstract builder.

2.0.0

Update to source_gen 0.7.0.
Please make the following trivial update to your build.dart and watch.dart: replace the string GeneratorBuilder with PartBuilder.

1.2.1

Fix generated code when implementing generic non-instantiable Built class.

1.2.0

Fix depending on a fully generated builder from a manually maintained builder.
Pick up fields on implemented interfaces, so you don't have to @override them.
Add BuiltValue annotation for specifying settings.
Add "instantiable" setting. When false, no implementation is generated, only a builder interface.
Polymorphism support: you can now "implement" a non-instantiable Built class. The generated builder will implement its builder, so the types all work.

1.1.4

Require SDK 1.21 and use the non-comment syntax for generics again.

1.1.3

Removed dependency on now-unneeded package:meta.
Fixed a few lints/hints in enum generated code.
Use comment syntax for generics; using the non-comment syntax requires SDK 1.21 which is not specified in pubspec.yaml.

1.1.2

Significantly improve build performance by using @memoized instead of precomputed fields.

1.1.1

Update analyzer and build dependencies.

1.1.0

Add "built_value_test" library. It provides a matcher which gives good mismatch messages for built_value instances.

1.0.1

Allow quiver 0.25.

1.0.0

Version bump to 1.0.0. Three minor features are marked as experimental and may change without a major version increase: BuiltValueToStringHelper, JsonObject and SerializerPlugin.
Made toString() output customizable.
Made the default toString() output use indentation and omit nulls.
Sort serializers in generated output.

0.5.7

Ignore nulls when deserializing with StandardJsonPlugin.

0.5.6

Add serializer for "DateTime" fields.
Add JsonObject class and serializer.
Add convenience methods Seralizers.serializeWith and deserializeWith.
Add example for using StandardJsonPlugin.
Support serializing NaN, INF and -INF for double and num.

0.5.5

Add serializer for "num" fields.
Better error message for missing serializer.
Fix generation when there are nested multi-parameter generics.
Use cascades in generated code as suggested by lint.
Allow users to define any factory that references the generated implementation.
Add example of a simpler factory for a one-field class.

0.5.4

Enforce that serializer declarations refer to the right generated name.
Streamline generation for classes with no fields.
Add identical check to generated operator==.
Make generated code compatible with strong mode implicit-dynamic:false and implicit-cast:false.

0.5.3

Add null check to generated builder "replace" methods.
Fail with error on abstract enum classes.
Update to build 0.7.0 , build_runner 0.3.0, and build_test 0.4.0.

0.5.2

Support "import ... as" for field types.

0.5.1

Add @memoized. Annotate getters on built_value classes with @memoized to memoize their result. That means it's computed on first access then stored in the instance.
Support generics, in value types and in serialization.
Add support for "standard" JSON via StandardJsonPlugin.

0.5.0

Update dependency on analyzer, build, quiver.
Breaking change: your build.dart and watch.dart now need to import build_runner/build_runner.dart instead of build/build.dart.

0.4.3

Fix builder getters to be available before a set is used.

0.4.2

Fix lints.
Allow "updates" in value type factory to have explicit void return type.

0.4.1

Fix some analyzer hints.
Fix exception from serializer generator if builder field is incorrect.

0.4.0

Add benchmark for updating deeply nested data structures.
Make builders copy lazily. This makes updates to deeply nested structures much faster: only the classes on the path to the update are copied, instead of the entire tree.
Breaking change: if you hand-code the builder then you must mark the fields @virtual so they can be overriden in the generated code.
Auto-create nested nullable builders when they're accessed. Fixes deserialization with nested nullable builder.

0.3.0

Merged built_json and built_json_generator into built_value and built_value_generator. These are intended to be used together, and make more sense as a single package.
Fix generation when class extends multiple interfaces.
Add serialization of BuiltListMultimap and BuiltSetMultimap.

0.2.0

Merged enum_class and enum_class_generator into built_value and built_value_generator. These are intended to be used together, and make more sense as a single package.

0.1.6

Add checking for correct type arguments for Built and Builder interfaces.
Generate empty constructor with semicolon instead of {}.
Use ArgumentError.notNull for null errors.
Reject dynamic fields.
Add simple benchmark for hashing. Improve hashing performance.

0.1.5

Allow quiver 0.23.

0.1.4

Upgrade analyzer, build and source_gen dependencies.

0.1.3

Generate builder if it's not written by hand.
Make toString append commas for improved clarity.
Improve examples and tests.
Fix double null checking.

0.1.2

Refactor generator to split into logical classes.

0.1.1

Improve error output on failure to generate.

0.1.0

Upgrade to source_gen 0.5.0.
Breaking change; see example for required changes to build.dart.

0.0.6

Move null checks to "build" method for compatibility with Strong Mode analyzer.
Allow (and ignore) setters.
Allow custom factories on value classes.

0.0.5

Fix for changes to analyzer library.

0.0.4

Support @nullable for fields using builders.
Fix constraints for source_gen.

0.0.3

Allow static fields in value class.
Allow custom setters in builder.

0.0.2

Fix error message for missing builder class.
Allow non-abstract getters in value class.

0.0.1

Generator, tests and example.

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