jsx-eslint/eslint-plugin-react

Some cases should not be triggered **no-unused-state**

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#1,626 opened on Dec 25, 2017

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enhancementhelp wanted

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Description

no-unused-state

state = {
  id: null,
  name: '',
  age: 0,
}

const {
  id,
  ...data
} = this.state;

console.log('data', data);

name and age should not be reported as error [eslint] Unused state field: 'departmentId' (react/no-unused-state).

Contributor guide

Research direction
Investigate the rule logic for no unused state to handle rest properties in destructuring correctly. Look for false positives when using object rest spread syntax.
Tech stack
javascriptreact
Domain
developer experience
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
JavaScriptESLint
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65