mix_generator 2.1.1

A code generator for Mix, an expressive way to effortlessly build design systems in Flutter.

2.1.1

• FEAT: Support @MixableField(setterType:) on @MixableModifier fields. Generated ModifierMix constructors accept the declared Mix type and wrap values with Prop.maybeMix (#950).
• FEAT: Support @MixableField(setterType:) on @MixableSpec fields. Generated spec stylers expose Mix-typed setters and field factories for nested StyleSpec fields (#951).

2.1.0

• FEAT: Add @MixableModifier generator. Annotate a WidgetModifier subclass to generate its modifier mixin and ModifierMix class. Requires mix_annotations ^2.1.0 (#924).
• FEAT: Generate spec stylers with parity coverage, emitting styler methods that match the spec's resolvable surface (#923).
• TEST: Cover the single-field debugFillProperties cascade in generated output (#942).
• FEAT: Add @MixWidget generator. Annotate a top-level final styler variable or a styler-returning function; the generator emits a StatelessWidget whose build() delegates to that styler's call(). Constructor parameters mirror the styler's call() signature, with Key? key forwarded via super.key.
• CHORE: Match Flutter's canonical Key type via TypeChecker instead of comparing parameter type names. The styler call() may declare exactly Key? key (named, nullable, no default, not required) to opt into super.key forwarding. Any other key-named parameter — subclasses such as LocalKey? / GlobalKey?, non-nullable Key, positional, defaulted, or a key parameter on the factory function — is rejected with an InvalidGenerationSource error.
• CHORE: Generated build() now forwards every constructor field as this.<name> so user parameter names cannot be shadowed by build()'s local context or by the factory reference. Parameter names matching the factory identifier or inherited StatelessWidget / Widget / Object members (build, createElement, runtimeType, hashCode, toString, noSuchMethod) are now rejected with InvalidGenerationSource.
• CHORE: @MixWidget(name: '...') overrides are validated as Dart class identifiers; non-identifier shapes and Dart reserved words are rejected.
• CHORE: The annotated library must import package:flutter/widgets.dart without a prefix. Prefixed Flutter imports are rejected with a clear error pointing to the unprefixed import (or a barrel re-export).
• CHORE: @MixWidget requires the annotated element's name to be lowerCamelCase ending in Style. Names that don't match are rejected; use @MixWidget(name: '...') to override.
• FEAT: Emit a @Deprecated typedef _$<Name>SpecMethods = _$<Name>; alongside every @MixableSpec mixin so legacy class X extends Spec<X> with Diagnosticable, _$XSpecMethods declarations keep compiling against the 2.0+ generator. Removal scheduled for mix_generator 3.0.
• CHANGED: Under the legacy declaration shape, toString() now routes through Diagnosticable.toDiagnosticsNode, replacing Equatable's X(field: …) format with Flutter's diagnostic-node format. Update any tests that pinned the old string.
• CHORE: Drop unused direct dependencies (collection, build_config, logging, path); the generator no longer references them.
• FIX: GeneratedSpecMethods.skipEquals now only suppresses props generation. The rest of the equality surface (==, hashCode, getDiff, stringify) is always emitted, preserving the supported "user authors props" flag semantic after the spec-shape refactor.
• FIX: Prop<T> detection now uses a URL-based TypeChecker (package:mix/src/core/prop.dart#Prop) instead of matching on the simple name Prop. Prevents unrelated local classes named Prop from being mistaken for Mix's Prop.
• FIX: @Mixable validation now requires the annotated class to extend Mix<T> (or a subclass) directly. Classes extending Mixable<T> without going through Mix<T> are rejected with a clear error — the generated mixin's on Mix<T> constraint would have failed at apply time anyway.
• TEST: Consolidate generator test helpers (partBuilder, styleStub, mixElementStub, propStub, mixAnnotationsSources) into test/core/test_helpers.dart. Adds regression tests for skipEquals, fake-Prop<T> rejection, and Mixable<T>-direct-subclass rejection.

2.0.1

• REFACTOR: Tighten field-model validation and shared type-helper extraction across mix/styler generators (#895).
• TEST: Add generator smoke and validation integration tests plus broader builder coverage (#895).

2.0.0

• Stable release matching the 2.0.0-rc.1 surface, with READMEs refreshed for the 2.0 generator API (#887, #888).

2.0.0-rc.1

• BREAKING: The Mix Generator was completely rebuilt to support the architecture and requirements of Mix V2.0.
• FEAT: Support Style class extensions in code generation (#845).
• FEAT: Add MixableSpec, MixableStyler, and code generation for properties (#835).
• FIX: Respect nullability in lerp resolver.
• FIX: Make copyWith parameters nullable (#848).

1.7.0

• REFACTOR: Rename WidgetModifiersData to WidgetModifiersConfig (#649).
• REFACTOR: Fix deprecations and modernize codebase (#647).
• FIX: update animated property handling to use null coalescing (#637).
• FEAT: Add generated style-focused modifiers and specs (#652).
• FEAT: unify SpecUtility, Style, and Attributes as compatible values (#643).
• FEAT: builder optimization (#629).

0.4.0

• REFACTOR: Rename MixableProperty to MixableType (#574)
• REFACTOR: mix generator clean up and mix semantic changes (#569)
• CHORE: Update min version compatibility (#572)

0.3.2

• REFACTOR: Rewrite Fortaleza theme using the new code gen for tokens (#528).
• FIX: Shadow list animation (#445).
• FEAT: Create code gen for design tokens (#521).
• FEAT: Rewrite FlexBox as a Mix's primitive component (#517).
• FEAT: Fluent API (#475).
• FEAT: Remix improvements and further improvements (#410).
• DOCS: improve mix theme data features explanations (#404).

0.3.1

• FEAT: Fluent API (#475).

0.3.0

• FIX: SpecModifiers were taking a long time to animate. (#457).
• FIX: Shadow list animation (#445).

0.2.2+1

• DOCS: improve mix theme data features explanations (#404).

0.2.2

• FEAT: Code generation for Widget Modifiers (#396).
• FEAT: Dto utility generation now adds constructor and static methods (#377).
• FEAT: ColorSwatchToken and other token improvements (#378).
• REFACTOR: Code gen more lint friendly dart code (#399) and (#395).
• FIX: Nullable merge expressions and updates debug properties (#392).

0.2.1

• REFACTOR: bump flutter version to 3.19.0 (#365).
• FEAT: modifiers in spec (#333).

0.2.0

• Fixed: issue with getting correct type override from MixableDto
• Improved: Dto resolved type look up logic
• Added: generation List of value extension of a Dto
• Added: Class and Enum utility generation

0.1.2

• Fixed: Resolved conflict on generators when not configured on build.yaml

0.1.1

• Added: Support for Spec Attributes

0.1.0

• Initial release.