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Enhancement: [no-unnecessary-condition] make rule compatible with react conditional rendering #10704

Closed as duplicate of#2770
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enhancement: plugin rule optionNew rule option for an existing eslint-plugin rulelocked due to agePlease open a new issue if you'd like to say more. See https://typescript-eslint.io/contributing.package: eslint-pluginIssues related to @typescript-eslint/eslint-plugintriageWaiting for team members to take a look
@yannick-softwerft

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@yannick-softwerft

Before You File a Proposal Please Confirm You Have Done The Following...

My proposal is suitable for this project

  • I believe my proposal would be useful to the broader TypeScript community (meaning it is not a niche proposal).

Link to the rule's documentation

https://typescript-eslint.io/rules/no-unnecessary-condition/

Description

I was using the rule no-unnecessary-condition, until I started my first react project where you often useconditional rendering in your tsx code. For example like:

{radioButtonHasMemberIsYes&&<><inputname='firstname'type='text'/><inputname='lastname'type='text'/></>}

Unfortunately no-unnecessary-condition breaks at this point because the second part of the condition is always truthy. It would be nice to be able to configure this rule so that this type of condition would be allowed by deactivating each of the following expressions (if needed):

  • Arguments to the &&, || and ?: (ternary) operators
  • Conditions for if, for, while, and do-while statements
  • cases in switch statements
  • Base values of optional chain expression

Fail

Pass

constradioButtonHasMemberIsYes=true{radioButtonHasMemberIsYes&&<><inputname='firstname'type='text'/><inputname='lastname'type='text'/></>}

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    Labels

    enhancement: plugin rule optionNew rule option for an existing eslint-plugin rulelocked due to agePlease open a new issue if you'd like to say more. See https://typescript-eslint.io/contributing.package: eslint-pluginIssues related to @typescript-eslint/eslint-plugintriageWaiting for team members to take a look

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