refactor: rename DTree to DValue

2026-06-12 11:05:52 +00:00
parent 941f5aea08
commit 7066da3cde
157 changed files with 1203 additions and 1074 deletions
@@ -0,0 +1,26 @@
+:title
+dv_pick
+
+:sig
+DValue dv_pick(DValue tree, StringList keys)
+
+:see
+StringList
+0_DValue
+filter
+
+:content
+Copies only selected keys from a DValue map.
+
+These helpers are intentionally small data-shaping conveniences for render code, routers, and configuration trees. They are useful when porting habits from React/Next/Remix code where lists of routes, navigation items, cards, or records are transformed close to the rendering boundary.
+
+```cpp
+DValue public_user = dv_pick(user, {"name", "avatar"});
+```
+
+Prefer these helpers over open-coded loops when the transformation itself is the important part of the code. Use an explicit loop when mutation, error handling, or side effects are the main concern.
+
+## Related Concepts
+
+- JavaScript / React: `Array.map`, `Array.filter`, `Array.find`, object `pick`/`omit`, and grouping route or navigation records before rendering.
+- PHP: `array_map`, `array_filter`, `array_unique`, and associative array projection.