David Peter
|
5ca9c15fc8
|
[ty] Better invalid-assignment diagnostics (#21476)
## Summary
Improve the diagnostic range for `invalid-assignment` diagnostics, and
add source annotations for the value and target type.
closes https://github.com/astral-sh/ty/issues/1556
### Before
<img width="836" height="601" alt="image"
src="https://github.com/user-attachments/assets/a48219bb-58a8-4a83-b290-d09ef50ce5f0"
/>
### After
<img width="857" height="742" alt="image"
src="https://github.com/user-attachments/assets/cfcaa4f4-94fb-459e-8d64-97050dfecb50"
/>
## Ecosystem impact
Very good! Due to the wider diagnostic range, we now pick up more `#
type: ignore` directives that were supposed to suppress an invalid
assignment diagnostic.
## Test Plan
New snapshot tests
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2025-11-18 14:31:04 +01:00 |