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docs({react,preact,angular,solid,svelte,vue}-query): describe when the 'Defined' and 'Undefined' 'initialData' overloads are selected - #12460
Updates the JSDoc of the initialData overloads so it matches how the overloads are actually selected. A ternary such as initialData: cond ? data : undefined sets initialData but selects the Undefined overload, and so does a function that may return undefined (e.g. () => cache.get(key)), so "is set" / "no initialData is set" described the wrong condition.
queryOptions / infiniteQueryOptions and useQuery / createQuery / injectQuery / createInfiniteQuery in React, Preact, Angular, Solid, Svelte and Vue:
"selected when initialData is set" → "selected when initialData is known to be defined"
"selected when no initialData is set" → "selected when initialData is omitted, may be undefined, or is a function that may return undefined"
UnusedSkipToken options in React, Preact and Angular: moved "queryFn is not skipToken" before the initialData conditions so it applies to all of them.
@param of the Defined overloads in both the regular and infinite APIs: "with initialData set" → "with initialData known to be defined".
Regenerated the reference docs for the affected adapters.
I have tested code changes locally with pnpm run test:pr, or these tests do not apply to this pull request.
I have followed the AI contribution policy and fully understand the code in this pull request, including any code generated with AI assistance.
🚀 Release Impact
This change affects published code, and I have generated a changeset.
This change is docs/CI/dev-only (no release).
Summary by CodeRabbit
Documentation
Clarified across framework guides that defined-data query options apply when initialData is known to be defined. Documentation also distinguishes omitted or potentially undefined initial data—including functions that may return undefined—and explains when query data may remain undefined.
Clarified how select can affect whether returned data includes undefined, and refined guidance on missing query functions and fetching behavior.
Updated source references to reflect current locations.
Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.
This PR includes no changesets
When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types
The pull request updates package JSDoc and framework reference pages to clarify initial-data overload conditions, preserve data-type qualifications, and correct source links. It changes documentation only; runtime behavior and public signatures remain unchanged.
Package JSDoc now describes defined initialData as known to be defined. It also documents omitted or potentially undefined values and functions that may return undefined.
Reference pages align overload descriptions and data qualifications with package documentation. They also update source links to current declaration locations.
TanStack/query#10973: Adds queryOptions and infiniteQueryOptions overloads for defined and possibly undefined initialData.
TanStack/query#11373: Corrects infiniteQueryOptions overload selection for possibly undefined initialData.
TanStack/query#11595: Corrects queryOptions and useQuery overload selection for possibly undefined initialData in Solid Query.
Suggested labels:package: svelte-query
Suggested reviewers:brenelz, lachlancollins
Merge Risk: Minimal · up to 89683
No actionable merge-blocking risk remains in this documentation-only change.
Pre-merge checks: 5
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Explanation
Title check
The title clearly and concisely describes the main change: documenting when the defined and undefined initialData overloads are selected across the affected query adapters.
Description check
The description follows the required template, explains the motivation and affected APIs, documents the regenerated reference docs, and completes the checklist and release-impact sections.
Docstring Coverage
No eligible functions found in the changed files. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentat…
Linked Issues check
Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check
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Full details: Docstring Coverage
Explanation
No eligible functions found in the changed files. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentation-only edits and deletions within surviving functions are included; unchanged diff context and fully deleted functions are excluded. Analyzed 0 functions across 24 files. (46 skipped: 46 unsupported.)
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Actionable comments posted: 1
🪄 Fix comments: Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @packages/react-query/src/queryOptions.ts:
- Around line 14-15: Update the undefined-data overload description for
queryOptions to include initialData functions whose return type may be
undefined, and preserve the note that data may be undefined while the query is
pending.
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sukvvon
changed the title
docs({react,preact,angular,solid,svelte,vue}-query): describe the 'initialData' overloads as 'known to be defined' and 'omitted or may be undefined'
docs({react,preact,angular,solid,svelte,vue}-query): describe when the 'Defined' and 'Undefined' 'initialData' overloads are selected
Oct 30, 2026
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sukvvon
changed the title
🎯 Changes
Updates the JSDoc of the
initialDataoverloads so it matches how the overloads are actually selected. A ternary such asinitialData: cond ? data : undefinedsetsinitialDatabut selects theUndefinedoverload, and so does a function that may returnundefined(e.g.() => cache.get(key)), so "is set" / "noinitialDatais set" described the wrong condition.queryOptions/infiniteQueryOptionsanduseQuery/createQuery/injectQuery/createInfiniteQueryin React, Preact, Angular, Solid, Svelte and Vue:initialDatais set" → "selected wheninitialDatais known to be defined"initialDatais set" → "selected wheninitialDatais omitted, may beundefined, or is a function that may returnundefined"UnusedSkipTokenoptions in React, Preact and Angular: moved "queryFnis notskipToken" before theinitialDataconditions so it applies to all of them.@paramof theDefinedoverloads in both the regular and infinite APIs: "withinitialDataset" → "withinitialDataknown to be defined".✅ Checklist
pnpm run test:pr, or these tests do not apply to this pull request.🚀 Release Impact
Summary by CodeRabbit
initialDatais known to be defined. Documentation also distinguishes omitted or potentially undefined initial data—including functions that may returnundefined—and explains when query data may remain undefined.selectcan affect whether returned data includesundefined, and refined guidance on missing query functions and fetching behavior.