Merge pull request microsoft#11540 from Microsoft/jsdoc_type_alias

Andy · web-flow · commit 4fa2e5ed8c20 · 2016-10-11T13:31:10.000-07:00
Support JSDoc for type alias
diff --git a/src/compiler/parser.ts b/src/compiler/parser.ts
@@ -5352,7 +5352,7 @@ namespace ts {
             parseExpected(SyntaxKind.EqualsToken);
             node.type = parseType();
             parseSemicolon();
-            return finishNode(node);
+            return addJSDocComment(finishNode(node));
         }
 
         // In an ambient declaration, the grammar only allows integer literals as initializers.
diff --git a/tests/cases/fourslash/jsDocForTypeAlias.ts b/tests/cases/fourslash/jsDocForTypeAlias.ts
@@ -0,0 +1,7 @@
+///<reference path="fourslash.ts" />
+
+/////** DOC */
+////type /**/T = number
+
+goTo.marker();
+verify.quickInfoIs("type T = number", "DOC ");

Original file line number	Diff line number	Diff line change
`@@ -5352,7 +5352,7 @@ namespace ts {`
`5352`	`5352`	`parseExpected(SyntaxKind.EqualsToken);`
`5353`	`5353`	`node.type = parseType();`
`5354`	`5354`	`parseSemicolon();`
`5355`		`- return finishNode(node);`
	`5355`	`+ return addJSDocComment(finishNode(node));`
`5356`	`5356`	`}`
`5357`	`5357`
`5358`	`5358`	`// In an ambient declaration, the grammar only allows integer literals as initializers.`