Pierre-Louis
8c1c2f6af5
Introduce Theme extensions (#98033)
* first pass
* x
* x
* address feedback
* support multiple extensions
* add convenience function, Object ⇒ dynamic, lerping
* remove not-useful comment
* fix examples/api lower sdk constraint
* remove trailing spaces
* remove another pesky trailing space
* improve lerp
* address feedback
* hide map implementation from constructor and copyWith
* use iterableproperty
* Revert "hide map implementation from constructor and copyWith"
This reverts commit a6994af0046e3c90dbc9405cac628feb5b2d3031.
* slow down sample
* make theme extension params required
* add null check
* improve documentation
* fix hashCode and operator == overrides
* modify existing tests
* remove trailing spaces
* add all tests except lerping
* fix lerping bug
* add toString to themeExtension example
* add lerping test
* assume non-nullability in example
* address feedback
* update docs
* remove trailing space
* use Map.unmodifiable