Ignore newline and asterisk when parsing JSDoc typedef (microsoft#26775)

Author: tschaub

src/compiler/parser.ts

@@ -6856,7 +6856,7 @@ namespace ts {
 
                 function parseTypedefTag(atToken: AtToken, tagName: Identifier, indent: number): JSDocTypedefTag {
                     const typeExpression = tryParseTypeExpression();
-                    skipWhitespace();
+                    skipWhitespaceOrAsterisk();
 
                     const typedefTag = <JSDocTypedefTag>createNode(SyntaxKind.JSDocTypedefTag, atToken.pos);
                     typedefTag.atToken = atToken;

tests/baselines/reference/typedefTagWrapping.symbols

@@ -0,0 +1,23 @@
+=== tests/cases/conformance/jsdoc/mod1.js ===
+/** 
+ * @typedef {function(string): boolean}
+ * MyType
+ */
+
+/**
+ * Tries to use a type whose name is on a different
+ * line than the typedef tag.
+ * @param {MyType} func The function to call.
+ * @param {string} arg The argument to call it with.
+ * @returns {boolean} The return.
+ */
+function callIt(func, arg) {
+>callIt : Symbol(callIt, Decl(mod1.js, 0, 0))
+>func : Symbol(func, Decl(mod1.js, 12, 16))
+>arg : Symbol(arg, Decl(mod1.js, 12, 21))
+
+  return func(arg);
+>func : Symbol(func, Decl(mod1.js, 12, 16))
+>arg : Symbol(arg, Decl(mod1.js, 12, 21))
+}
+

tests/baselines/reference/typedefTagWrapping.types

@@ -0,0 +1,24 @@
+=== tests/cases/conformance/jsdoc/mod1.js ===
+/** 
+ * @typedef {function(string): boolean}
+ * MyType
+ */
+
+/**
+ * Tries to use a type whose name is on a different
+ * line than the typedef tag.
+ * @param {MyType} func The function to call.
+ * @param {string} arg The argument to call it with.
+ * @returns {boolean} The return.
+ */
+function callIt(func, arg) {
+>callIt : (func: (arg0: string) => boolean, arg: string) => boolean
+>func : (arg0: string) => boolean
+>arg : string
+
+  return func(arg);
+>func(arg) : boolean
+>func : (arg0: string) => boolean
+>arg : string
+}
+

tests/cases/conformance/jsdoc/typedefTagWrapping.ts

@@ -0,0 +1,20 @@
+// @noEmit: true
+// @allowJs: true
+// @checkJs: true
+// @Filename: mod1.js
+
+/** 
+ * @typedef {function(string): boolean}
+ * MyType
+ */
+
+/**
+ * Tries to use a type whose name is on a different
+ * line than the typedef tag.
+ * @param {MyType} func The function to call.
+ * @param {string} arg The argument to call it with.
+ * @returns {boolean} The return.
+ */
+function callIt(func, arg) {
+  return func(arg);
+}