fix: panic on nil point on name check (#63967)

Author: Dansyuqri

tsc/internal/parser/reparser.go

@@ -39,6 +39,10 @@ func (p *Parser) addTransformedReparse(newNode *ast.Node, old *ast.Node) *ast.No
 }
 
 func (p *Parser) checkNonIdentifierName(name *ast.Node) *ast.Node {
+	// Handles the case of anonymous functions
+	if name == nil {
+		return nil
+	}
 	if ast.IsIdentifier(name) && !scanner.IsValidIdentifier(name.AsIdentifier().Text) {
 		errLoc := name.Loc
 		if errLoc.Len() == 0 { // missing name, emit error on the character before the missing name node

tsc/testdata/baselines/reference/compiler/jsDocOverloadAnonDefaultExport.js

@@ -0,0 +1,15 @@
+//// [tests/cases/compiler/jsDocOverloadAnonDefaultExport.ts] ////
+
+//// [jsDocOverloadAnonDefaultExport.js]
+/** @overload */
+export default function () {}
+
+
+//// [jsDocOverloadAnonDefaultExport.js]
+/** @overload */
+export default function () { }
+
+
+//// [jsDocOverloadAnonDefaultExport.d.ts]
+/** @overload */
+export default function (): any;

tsc/testdata/baselines/reference/compiler/jsDocOverloadAnonDefaultExport.symbols

@@ -0,0 +1,7 @@
+//// [tests/cases/compiler/jsDocOverloadAnonDefaultExport.ts] ////
+
+=== jsDocOverloadAnonDefaultExport.js ===
+
+/** @overload */
+export default function () {}
+

tsc/testdata/baselines/reference/compiler/jsDocOverloadAnonDefaultExport.types

@@ -0,0 +1,7 @@
+//// [tests/cases/compiler/jsDocOverloadAnonDefaultExport.ts] ////
+
+=== jsDocOverloadAnonDefaultExport.js ===
+
+/** @overload */
+export default function () {}
+

tsc/testdata/baselines/reference/compiler/jsDocOverloadNamedDefaultExport.js

@@ -0,0 +1,15 @@
+//// [tests/cases/compiler/jsDocOverloadNamedDefaultExport.ts] ////
+
+//// [jsDocOverloadNamedDefaultExport.js]
+/** @overload */
+export default function foo() {}
+
+
+//// [jsDocOverloadNamedDefaultExport.js]
+/** @overload */
+export default function foo() { }
+
+
+//// [jsDocOverloadNamedDefaultExport.d.ts]
+/** @overload */
+export default function foo(): any;

tsc/testdata/baselines/reference/compiler/jsDocOverloadNamedDefaultExport.symbols

@@ -0,0 +1,7 @@
+//// [tests/cases/compiler/jsDocOverloadNamedDefaultExport.ts] ////
+
+=== jsDocOverloadNamedDefaultExport.js ===
+/** @overload */
+export default function foo() {}
+>foo : Symbol(foo, Decl(jsDocOverloadNamedDefaultExport.js, 0, 5), Decl(jsDocOverloadNamedDefaultExport.js, 0, 0))
+

tsc/testdata/baselines/reference/compiler/jsDocOverloadNamedDefaultExport.types

@@ -0,0 +1,7 @@
+//// [tests/cases/compiler/jsDocOverloadNamedDefaultExport.ts] ////
+
+=== jsDocOverloadNamedDefaultExport.js ===
+/** @overload */
+export default function foo() {}
+>foo : () => any
+

tsc/testdata/tests/cases/compiler/jsDocOverloadAnonDefaultExport.ts

@@ -0,0 +1,8 @@
+// @target: es2015
+// @allowJs: true
+// @outDir: dist/
+// @declaration: true
+// @filename: jsDocOverloadAnonDefaultExport.js
+
+/** @overload */
+export default function () {}

tsc/testdata/tests/cases/compiler/jsDocOverloadNamedDefaultExport.ts

@@ -0,0 +1,8 @@
+// @target: es2015
+// @allowJs: true
+// @outDir: dist/
+// @declaration: true
+// @filename: jsDocOverloadNamedDefaultExport.js
+
+/** @overload */
+export default function foo() {}