quick fix of indexed access type (#20956)

src/services/codefixes/correctQualifiedNameToIndexedAccessType.ts

@@ -21,7 +21,7 @@ namespace ts.codefix {
     });
 
     function getQualifiedName(sourceFile: SourceFile, pos: number): QualifiedName & { left: Identifier } | undefined {
-        const qualifiedName = findAncestor(getTokenAtPosition(sourceFile, pos, /*includeJsDocComment*/ false), isQualifiedName)!;
+        const qualifiedName = findAncestor(getTokenAtPosition(sourceFile, pos, /*includeJsDocComment*/ true), isQualifiedName)!;
         Debug.assert(!!qualifiedName, "Expected position to be owned by a qualified name.");
         return isIdentifier(qualifiedName.left) ? qualifiedName as QualifiedName & { left: Identifier } : undefined;
     }

tests/cases/fourslash/codeFixInPropertyAccess_js.ts

@@ -0,0 +1,45 @@
+/// <reference path='fourslash.ts' />
+
+// @allowJs: true
+// @checkJs: true
+
+// @Filename: /a.js
+//// /**
+////  * @typedef Foo
+////  * @property foo
+////  */
+
+//// /**
+////  * @param {Foo.foo} inst
+////  */
+//// function blah(inst) {
+////   return false;
+//// }
+
+verify.codeFixAll({
+  fixId: "correctQualifiedNameToIndexedAccessType",
+  newFileContent:
+`/**
+ * @typedef Foo
+ * @property foo
+ */
+/**
+ * @param {Foo["foo"]} inst
+ */
+function blah(inst) {
+  return false;
+}`,
+});
+
+
+/**
+ * @typedef Foo
+ * @property foo
+ */
+
+/**
+ * @param {Foo.foo} inst
+ */
+function blah(inst) {
+  return false;
+}