[Fix] jsx-no-leaked-render: invalid report if left side is boolean

Author: akulsr0

CHANGELOG.md

@@ -7,7 +7,9 @@ This change log adheres to standards from [Keep a CHANGELOG](https://keepachange
 
 ### Fixed
 * [`boolean-prop-naming`]: avoid a crash with a non-TSTypeReference type ([#3718][] @developer-bandi)
+* [`jsx-no-leaked-render`]: invalid report if left side is boolean ([#3746][] @akulsr0)
 
+[#3746]: https://github.com/jsx-eslint/eslint-plugin-react/pull/3746
 [#3718]: https://github.com/jsx-eslint/eslint-plugin-react/pull/3718
 
 ## [7.34.1] - 2024.03.15

lib/rules/jsx-no-leaked-render.js

@@ -10,6 +10,7 @@ const from = require('es-iterator-helpers/Iterator.from');
 
 const docsUrl = require('../util/docsUrl');
 const report = require('../util/report');
+const variableUtil = require('../util/variable');
 const testReactVersion = require('../util/version').testReactVersion;
 const isParenthesized = require('../util/ast').isParenthesized;
 
@@ -160,6 +161,17 @@ module.exports = {
           if (isCoerceValidLeftSide || getIsCoerceValidNestedLogicalExpression(leftSide)) {
             return;
           }
+          const variables = variableUtil.variablesInScope(context);
+          const leftSideVar = variableUtil.getVariable(variables, leftSide.name);
+          if (leftSideVar) {
+            const leftSideValue = leftSideVar.defs
+              && leftSideVar.defs.length
+              && leftSideVar.defs[0].node.init
+              && leftSideVar.defs[0].node.init.value;
+            if (typeof leftSideValue === 'boolean') {
+              return;
+            }
+          }
         }
 
         if (testReactVersion(context, '>= 18') && leftSide.type === 'Literal' && leftSide.value === '') {

tests/lib/rules/jsx-no-leaked-render.js

@@ -195,6 +195,24 @@ ruleTester.run('jsx-no-leaked-render', rule, {
       `,
       options: [{ validStrategies: ['coerce'] }],
     },
+    {
+      code: `
+        const isOpen = true;
+        const Component = () => {
+          return <Popover open={isOpen && items.length > 0} />
+        }
+      `,
+      options: [{ validStrategies: ['coerce'] }],
+    },
+    {
+      code: `
+        const isOpen = false;
+        const Component = () => {
+          return <Popover open={isOpen && items.length > 0} />
+        }
+      `,
+      options: [{ validStrategies: ['coerce'] }],
+    },
   ]) || [],
 
   invalid: parsers.all([].concat(
@@ -972,6 +990,26 @@ ruleTester.run('jsx-no-leaked-render', rule, {
         line: 5,
         column: 16,
       }],
-    } : []
+    } : [],
+    {
+      code: `
+        const isOpen = 0;
+        const Component = () => {
+          return <Popover open={isOpen && items.length > 0} />
+        }
+      `,
+      output: `
+        const isOpen = 0;
+        const Component = () => {
+          return <Popover open={!!isOpen && items.length > 0} />
+        }
+      `,
+      options: [{ validStrategies: ['coerce'] }],
+      errors: [{
+        message: 'Potential leaked value that might cause unintentionally rendered values or rendering crashes',
+        line: 4,
+        column: 33,
+      }],
+    }
   )),
 });