fix jsdoc iterator on expression of export assignment (#30558)

Author: Kingwl

src/compiler/utilities.ts

@@ -2221,6 +2221,7 @@ namespace ts {
     function getNextJSDocCommentLocation(node: Node) {
         const parent = node.parent;
         if (parent.kind === SyntaxKind.PropertyAssignment ||
+            parent.kind === SyntaxKind.ExportAssignment ||
             parent.kind === SyntaxKind.PropertyDeclaration ||
             parent.kind === SyntaxKind.ExpressionStatement && node.kind === SyntaxKind.PropertyAccessExpression ||
             getNestedModuleDeclaration(parent) ||

tests/baselines/reference/exportDefaultWithJSDoc1.symbols

@@ -0,0 +1,15 @@
+=== tests/cases/compiler/a.js ===
+/**
+No type information for this code. * A number, or a string containing a number.
+No type information for this code. * @typedef {(number|string)} NumberLike
+No type information for this code. */
+No type information for this code.
+No type information for this code./** @type {NumberLike[]} */export default ([ ]);
+No type information for this code.
+No type information for this code.=== tests/cases/compiler/b.ts ===
+import A from './a'
+>A : Symbol(A, Decl(b.ts, 0, 6))
+
+A[0]
+>A : Symbol(A, Decl(b.ts, 0, 6))
+

tests/baselines/reference/exportDefaultWithJSDoc1.types

@@ -0,0 +1,19 @@
+=== tests/cases/compiler/a.js ===
+/**
+ * A number, or a string containing a number.
+ * @typedef {(number|string)} NumberLike
+ */
+
+/** @type {NumberLike[]} */export default ([ ]);
+>([ ]) : (string | number)[]
+>[ ] : undefined[]
+
+=== tests/cases/compiler/b.ts ===
+import A from './a'
+>A : (string | number)[]
+
+A[0]
+>A[0] : string | number
+>A : (string | number)[]
+>0 : 0
+

tests/baselines/reference/exportDefaultWithJSDoc2.symbols

@@ -0,0 +1,15 @@
+=== tests/cases/compiler/a.js ===
+/**
+No type information for this code. * A number, or a string containing a number.
+No type information for this code. * @typedef {(number|string)} NumberLike
+No type information for this code. */
+No type information for this code.
+No type information for this code.export default /** @type {NumberLike[]} */([ ]);
+No type information for this code.
+No type information for this code.=== tests/cases/compiler/b.ts ===
+import A from './a'
+>A : Symbol(A, Decl(b.ts, 0, 6))
+
+A[0]
+>A : Symbol(A, Decl(b.ts, 0, 6))
+

tests/baselines/reference/exportDefaultWithJSDoc2.types

@@ -0,0 +1,19 @@
+=== tests/cases/compiler/a.js ===
+/**
+ * A number, or a string containing a number.
+ * @typedef {(number|string)} NumberLike
+ */
+
+export default /** @type {NumberLike[]} */([ ]);
+>([ ]) : (string | number)[]
+>[ ] : undefined[]
+
+=== tests/cases/compiler/b.ts ===
+import A from './a'
+>A : (string | number)[]
+
+A[0]
+>A[0] : string | number
+>A : (string | number)[]
+>0 : 0
+

tests/cases/compiler/exportDefaultWithJSDoc1.ts

@@ -0,0 +1,16 @@
+
+// @allowJs: true
+// @checkJs: true
+// @noEmit: true
+
+/**
+ * A number, or a string containing a number.
+ * @typedef {(number|string)} NumberLike
+ */
+
+// @Filename: a.js
+/** @type {NumberLike[]} */export default ([ ]);
+
+// @Filename: b.ts
+import A from './a'
+A[0]

tests/cases/compiler/exportDefaultWithJSDoc2.ts

@@ -0,0 +1,16 @@
+
+// @allowJs: true
+// @checkJs: true
+// @noEmit: true
+
+/**
+ * A number, or a string containing a number.
+ * @typedef {(number|string)} NumberLike
+ */
+
+// @Filename: a.js
+export default /** @type {NumberLike[]} */([ ]);
+
+// @Filename: b.ts
+import A from './a'
+A[0]