Support false positives with TypeScript function overloading (fixes #105)

Author: ArnaudBarre

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## Unreleased
+
+- Support false positives with TypeScript function overloading (fixes [#105](https://github.com/ArnaudBarre/eslint-plugin-react-refresh/issues/105))
+
 ## 0.5.0
 
 ### Breaking changes

src/only-export-components.test.ts

@@ -275,6 +275,13 @@ const valid: {
     name: "Export default class component",
     code: "export default class MyComponent extends Component { render() { return <div>Hello</div>; } }",
   },
+  {
+    name: "Direct export uppercase function",
+    code: `export function Button(props: PropsWithChildren<{ onClick: () => void }>): ReactNode;
+export function Button(props: PropsWithChildren): ReactNode {
+  return <button {...props}>{props.children}</button>;
+}`,
+  },
 ];
 
 const invalid: {

src/only-export-components.ts

@@ -297,9 +297,13 @@ export const onlyExportComponents: TSESLint.RuleModule<
             }
           } else if (node.type === "ExportNamedDeclaration") {
             if (node.exportKind === "type") continue;
+            const declaration = node.declaration
+              ? skipTSWrapper(node.declaration)
+              : null;
+            if (declaration?.type === "TSDeclareFunction") continue;
             hasExports = true;
-            if (node.declaration) {
-              handleExportDeclaration(skipTSWrapper(node.declaration));
+            if (declaration) {
+              handleExportDeclaration(declaration);
             }
             for (const specifier of node.specifiers) {
               handleExportIdentifier(