;
+ })};
+}
+`,
+ },
+ {
+ code: `
+export const MyComponent = ({items}) => {
+ const renderItems = () => {
+ let i = 0;
+
+ return items.map(() => {
+ return
;
+ });
+ }
+
+ return <>{renderItems()};
+}
+`,
+ },
+ {
+ code: `
+export const MyComponent = ({items}) => {
+ const computeKey = (item, index) => {
+ return item.id + '' + index;
+ }
+
+ return <>{items.map((item, index) => {
+ return
;
+ })};
+}
+`,
+ },
+ {
+ code: `
+export const MyComponent = ({items}) => {
+ const computeKey = (index) => {
+ return index;
+ }
+
+ return <>{items.map((_item, index) => {
+ return
;
+ })};
+} // this test should trigger the rule but it seems ESLint is missing it
+`,
+ },
+ ],
+ invalid: [
+ {
+ code: `
+export const MyComponent = ({items}) => {
+ return <>{items.map((item, index) => {
+ return
{item.id}
;
+ })};
+}
+`,
+ errors: 1,
+ },
+ {
+ code: `
+export const MyComponent = ({items}) => {
+ return <>{items.map((item, index) => {
+ return
{item.id}
;
+ })};
+}
+`,
+ errors: 1,
+ },
+ ],
+});
diff --git a/packages/jsts/src/rules/index.ts b/packages/jsts/src/rules/index.ts
index c7e9eaf9f2c..b3bfc98745f 100644
--- a/packages/jsts/src/rules/index.ts
+++ b/packages/jsts/src/rules/index.ts
@@ -300,6 +300,7 @@ import { rule as S2817 } from './S2817'; // web-sql-database
import { rule as S5689 } from './S5689'; // x-powered-by
import { rule as S2755 } from './S2755'; // xml-parser-xxe
import { rule as S4817 } from './S4817'; // xpath
+import { rule as S6479 } from './S6479'; // no-array-index-key
/**
* Maps ESLint rule keys declared in the JavaScript checks to rule implementations
@@ -587,5 +588,6 @@ rules['web-sql-database'] = S2817;
rules['x-powered-by'] = S5689;
rules['xml-parser-xxe'] = S2755;
rules['xpath'] = S4817;
+rules['no-array-index-key'] = S6479;
export { rules };