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Fix v0.16 codemod: add shadow checks to transformUseFetch #3836

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Merged
ntucker merged 17 commits into from
Mar 30, 2026
+460 −0
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Fix v0.16 codemod: add shadow checks to transformUseFetch #3836

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97381ef
docs: Add v0.16 migration codemod
ntucker Mar 29, 2026
e808683
fix: bugbot
ntucker Mar 29, 2026
8d10823
Fix schema codemod: aliased import skipped when name already exists i…
cursoragent Mar 29, 2026
42be09c
fix: scope useFetch truthiness rewrites to enclosing function
cursoragent Mar 29, 2026
faf1adc
fix(codemod): use optional chaining in useFetch truthiness rewrite
cursoragent Mar 29, 2026
019edc8
fix(codemod): rewrite useFetch vars on both sides of LogicalExpression
cursoragent Mar 29, 2026
ca2a692
fix(codemod): preserve schema import when bare identifier references …
cursoragent Mar 29, 2026
c7d3c25
fix: bugbot
ntucker Mar 30, 2026
460f3da
fix(codemod): skip schema.Object and schema.Array in v0.16 transform
cursoragent Mar 30, 2026
a7677f3
Fix transformUseFetch to only apply when useFetch is imported from @d…
cursoragent Mar 30, 2026
255f8f2
fix(codemod): skip schema.X rewrites where schema is shadowed by loca…
cursoragent Mar 30, 2026
94727d0
fix(codemod): preserve boolean semantics for useFetch conditional fet…
cursoragent Mar 30, 2026
b9c004e
fix(codemod): detect top-level var/function/class bindings in scopeBi…
cursoragent Mar 30, 2026
9b24df8
fix(codemod): detect FunctionDeclaration/ClassDeclaration shadowing i…
cursoragent Mar 30, 2026
e57ce92
Fix transformUseFetch rewriting shadowed variables in nested callbacks
cursoragent Mar 30, 2026
460c9de
Guard transformPaths with @data-client import check
cursoragent Mar 30, 2026
b73054e
Fix resolveLocal collision: verify 'Schema'+name is also free of conf…
cursoragent Mar 30, 2026
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6 changes: 6 additions & 0 deletions website/blog/2026-01-19-v0.16-release-announcement.md
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Expand Up @@ -239,6 +239,12 @@ This upgrade requires updating all package versions simultaneously.

<PkgTabs pkgs="@data-client/react@^0.16.0 @data-client/rest@^0.16.0 @data-client/endpoint@^0.16.0 @data-client/core@^0.16.0 @data-client/vue@^0.16.0 @data-client/test@^0.16.0 @data-client/img@^0.16.0" upgrade />

An automated [codemod](/codemods/v0.16.js) handles all three breaking changes below — path syntax, `useFetch()` truthiness, and `schema` namespace imports:

```bash
npx jscodeshift -t https://dataclient.io/codemods/v0.16.js --extensions=ts,tsx,js,jsx src/
```

## path-to-regexp v8

[RestEndpoint.path](/rest/api/RestEndpoint#path) now uses [path-to-regexp v8](https://github.com/pillarjs/path-to-regexp/releases/tag/v8.0.0),
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