auto_skeleton 0.4.1

Auto-generate skeleton shimmer loading placeholder from your widget tree. Zero fake data, theme-aware, async builder support.

0.4.1

Accessibility

• Respects MediaQuery.disableAnimations (WCAG 2.3.3 / EU EN 301 549). When the user has "reduce motion" enabled at the OS level, shimmer/pulse animations automatically drop to a solid block. No opt-in needed — required for EU and government deployments.

Docs / positioning

• README rewritten to be honest about the list case: skeletonItem still requires a template widget, but maintains it in widgets not mock data.
• New "When to pick what" section with honest guidance about when to use auto_skeleton vs skeletonizer vs shimmer.
• Feature comparison table expanded with reduce-motion and debug-overlay rows.

0.4.0

DX — stop silent failures

• Debug-mode warning when scan produces 0 bones. If your skeletonItem template has no introspectable leaves (plain Containers with no Text/Icon/Image/etc inside), AutoSkeleton now prints an actionable warning instead of rendering a blank rectangle.
• debugShowBones: true flag on AutoSkeleton — overlays each detected bone with a red outline and type label. Instantly answers "did the scanner find my widgets?"
• Visible pre-scan fallback on dark themes. Dark fallback color bumped from #2A2A2A to #3F3F3F so the first-frame block is visible against pure-black (#0A0A0A) scaffolds.

0.3.0

List Skeleton — template-based bones (no fake data)

• skeletonItem + skeletonItemCount on AutoSkeleton — pass one template widget and the package repeats it N times to generate the skeleton. Solves the "empty list = nothing to scan" problem.
• skeletonScrollable — wraps the template column in a non-scrolling viewport when items exceed available height.

Performance & Correctness

• Memory leak fixed — removed the global _boneCache map; each widget now owns its cache and releases it on dispose. AutoSkeleton.clearCache() is deprecated (no-op).
• Cache hits without a Key — previously, widgets without an explicit key re-scanned on every rebuild. Cache is now per-state and always active.
• Theme change auto-invalidation — switching light ↔ dark now rebuilds bones with the correct colors (previously stuck with stale colors until manual clearCache()).
• Cache fingerprint is now size + themeBrightness instead of object-identity hashCode, eliminating false misses on structurally identical rebuilds.

UX

• First-frame flash eliminated — added fallbackColor() to PlaceholderEffect; the pre-scan frame now paints a solid shimmer-base rectangle instead of invisible content.

0.2.0

ListView / GridView / CustomScrollView support

• Fixed widget tree scanner to handle scrollable widgets correctly
• Safe coordinate transforms for sliver-based layouts (no more overflow/wrong sizing)
• Bones are clipped to visible viewport bounds — offscreen items are skipped
• Handles Stack, Wrap, IntrinsicHeight via improved render tree traversal

Bone caching

• Skeleton layout is cached and reused across rebuilds
• Cache invalidates automatically when widget size or child changes
• AutoSkeleton.clearCache() for manual invalidation

App-level wrapper (zero per-widget wrapping)

• AutoSkeletonApp.builder() — wrap entire app, every screen gets skeleton automatically
• AutoSkeletonAppController — programmatic startLoading() / stopLoading() / toggle()
• controller.observer — NavigatorObserver that auto-shows skeleton during route transitions
• Works with ValueNotifier<bool> for simple reactive control

0.1.2

• Added screenshots field to pubspec.yaml for pub.dev gallery
• Updated flutter_lints to v5.0.0 for latest analysis rules
• Improved pub.dev scoring compliance

0.1.1

• AutoSkeletonBuilder — async data loading with automatic skeleton display
  • Supports Future and Stream data sources
  • Zero setState needed — skeleton shown while loading, content when done
  • Built-in errorBuilder for error states
  • onData / onError callbacks
• Added tests for builder (13 total tests passing)

0.1.0

• Initial release
• AutoSkeleton widget — wrap any widget tree to auto-generate skeleton placeholders
• SliverAutoSkeleton — sliver variant for CustomScrollView
• Theme-aware colors — auto-derives from your app's ColorScheme (light & dark)
• 3-layer color control — theme auto-detect → global config → per-widget override
• Effects: ShimmerEffect, PulseEffect, SolidEffect
• Annotations: PlaceholderIgnore, PlaceholderReplace, PlaceholderLeaf, PlaceholderShape
• Extension: .withSkeleton(loading: bool) on any Widget
• Presets: SkeletonPresets.listTile(), .productCard(), .foodCard(), .horizontalCardRow()
• AutoSkeletonConfig for global configuration via InheritedWidget
• Switch animation (skeleton → content) with configurable duration and curve