react-doctor/no-giant-component
Extract logical sections into focused components: `<UserHeader />`, `<UserActions />`, etc.
- Status
- Active
- Category
- Architecture
- Assessment
- Evidence-required risk
- Required evidence
- source code, repository context
- Default configuration
- Enabled
- Default severity
- warn
Show technical metadata
- Scope
- All supported frameworks
- Active when
- always
- Tags
- test-noise, react-jsx-only
- Priority
- 30 (P3)
- Source
- oxlint-plugin-react-doctor
- Rule set
- oxlint-plugin-react-doctor 0.9.3 (prompt schema 2)
Validation prompt
Confirm the detector match and collect the required evidence before deciding whether an edit is warranted.
Fires on any uppercase-named function declaration or arrow-assigned component whose body spans more than 300 source lines (start to end line of the function body). The line-count threshold is a heuristic: a long but cohesive JSX-heavy component can still be readable, while a shorter component with tangled responsibilities can be a worse offender. Use judgment beyond the raw count.
Evidence boundary
The diagnostic proves only that the detector’s modeled source pattern matched. It does not prove runtime impact, product intent, rendered failure, or that one remediation is correct.
Establish the environment, repository policy, exceptions, and required rendered or runtime evidence before deciding the occurrence.
Record one outcome:
- Confirmed failure: The required evidence establishes the violation.
- Rejected: A documented exception or false-positive predicate applies.
- Needs evidence: Named evidence can still be collected.
- Unavailable: Required evidence cannot be collected in this run.
- Waived with evidence: An authorized, scoped exception applies to an established failure.
- Observation: The review records an optional tradeoff without claiming a defect.
A waiver records its scope, authority, evidence, and review condition. It is not a pass or false positive.
Default severity is registry metadata. Use the occurrence’s JSON severity after repository configuration when ordering real findings.
Fix prompt
Apply this candidate correction only after the required evidence confirms the risk.
Identify the distinct logical sections (header, list, footer, side panel, action bar) and extract each into a focused subcomponent like <UserHeader /> or <UserActions />. Lift shared data fetching and effects into custom hooks. Resist premature splits that obscure data flow; aim for each extracted piece to have a single responsibility. See https://react.dev/learn/thinking-in-react
Repository-wide copy prompt
Use this repository-wide prompt only after validating each occurrence. For one occurrence, use the guidance above.
Show repository-wide prompt
Fix every confirmed react-doctor/no-giant-component diagnostic in the current repository.
Required change:
- Identify the distinct logical sections (header, list, footer, side panel, action bar) and extract each into a focused subcomponent like <UserHeader /> or <UserActions />. Lift shared data fetching and effects into custom hooks. Resist premature splits that obscure data flow; aim for each extracted piece to have a single responsibility. See https://react.dev/learn/thinking-in-react.
Validation before editing:
Fires on any uppercase-named function declaration or arrow-assigned component whose body spans more than 300 source lines (start to end line of the function body). The line-count threshold is a heuristic: a long but cohesive JSX-heavy component can still be readable, while a shorter component with tangled responsibilities can be a worse offender. Use judgment beyond the raw count.
Constraints:
- Make the smallest change that fixes the root cause.
- Preserve behavior and interfaces unrelated to this diagnostic.
- Reuse existing project components, utilities, and conventions.
- Adapt identifiers and framework details instead of copying blindly.
- Do not disable the rule or suppress matching code.
Assessment:
- Record detector evidence, applicability facts, assumptions, missing evidence, and the rule class for this occurrence.
- Return one outcome: Confirmed failure, Rejected, Needs evidence, Unavailable, Waived with evidence, or Observation.
- A waiver records the established failure, scope, authority, evidence, and review or expiry condition. It is not a pass or false positive.
Verification:
- Run focused tests for the changed behavior.
- Run React Doctor and confirm this diagnostic no longer appears from changed code.
- Run an unfiltered scan of the affected scope before claiming no cross-category regression.
- Report the files changed and any checks you could not run.