Keep nested JSDoc properties after a property with a missing name

tsc/internal/parser/jsdoc.go

@@ -1197,6 +1197,7 @@ func (p *Parser) parseChildParameterOrPropertyTag(target propertyLikeParse, inde
 				child := p.tryParseChildTag(target, indent)
 				if child != nil && name != nil &&
 					(child.Kind == ast.KindJSDocParameterTag || child.Kind == ast.KindJSDocPropertyTag) &&
+					!ast.NodeIsMissing(child.Name()) &&
 					(ast.IsIdentifier(child.Name()) || !textsEqual(name, child.Name().AsQualifiedName().Left)) {
 					return nil
 				}

tsc/testdata/baselines/reference/compiler/jsdocNestedPropertyTagInvalidType.errors.txt

@@ -0,0 +1,33 @@
+/a.js(5,23): error TS1005: '}' expected.
+/a.js(12,23): error TS1005: '}' expected.
+
+
+==== /a.js (2 errors) ====
+    /**
+     * @typedef Sig
+     * @property {object} Args
+     * @property {string} Args.name
+     * @property {function(string)=} Args.onSave
+                          ~
+!!! error TS1005: '}' expected.
+     * @property {((v: string) => void)=} Args.onCancel
+     */
+
+    /**
+     * @typedef Flat
+     * @property {string} name
+     * @property {function(string)=} onSave
+                          ~
+!!! error TS1005: '}' expected.
+     * @property {((v: string) => void)=} onCancel
+     */
+
+    export {};
+
+==== /b.ts (0 errors) ====
+    import type { Sig, Flat } from "./a.js";
+
+    export const nested: Array<keyof Sig["Args"]> = ["name", "onCancel"];
+    export const flat: Array<keyof Flat> = ["name", "onCancel"];
+    export const onCancel: Sig["Args"]["onCancel"] = (v: string) => {};
+

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

@@ -0,0 +1,41 @@
+//// [tests/cases/compiler/jsdocNestedPropertyTagInvalidType.ts] ////
+
+=== /a.js ===
+
+/**
+ * @typedef Sig
+ * @property {object} Args
+ * @property {string} Args.name
+ * @property {function(string)=} Args.onSave
+ * @property {((v: string) => void)=} Args.onCancel
+ */
+
+/**
+ * @typedef Flat
+ * @property {string} name
+ * @property {function(string)=} onSave
+ * @property {((v: string) => void)=} onCancel
+ */
+
+export {};
+
+=== /b.ts ===
+import type { Sig, Flat } from "./a.js";
+>Sig : Symbol(Sig, Decl(b.ts, 0, 13))
+>Flat : Symbol(Flat, Decl(b.ts, 0, 18))
+
+export const nested: Array<keyof Sig["Args"]> = ["name", "onCancel"];
+>nested : Symbol(nested, Decl(b.ts, 2, 12))
+>Array : Symbol(Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --) ... and 4 more)
+>Sig : Symbol(Sig, Decl(b.ts, 0, 13))
+
+export const flat: Array<keyof Flat> = ["name", "onCancel"];
+>flat : Symbol(flat, Decl(b.ts, 3, 12))
+>Array : Symbol(Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --) ... and 4 more)
+>Flat : Symbol(Flat, Decl(b.ts, 0, 18))
+
+export const onCancel: Sig["Args"]["onCancel"] = (v: string) => {};
+>onCancel : Symbol(onCancel, Decl(b.ts, 4, 12))
+>Sig : Symbol(Sig, Decl(b.ts, 0, 13))
+>v : Symbol(v, Decl(b.ts, 4, 50))
+

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

@@ -0,0 +1,43 @@
+//// [tests/cases/compiler/jsdocNestedPropertyTagInvalidType.ts] ////
+
+=== /a.js ===
+
+/**
+ * @typedef Sig
+ * @property {object} Args
+ * @property {string} Args.name
+ * @property {function(string)=} Args.onSave
+ * @property {((v: string) => void)=} Args.onCancel
+ */
+
+/**
+ * @typedef Flat
+ * @property {string} name
+ * @property {function(string)=} onSave
+ * @property {((v: string) => void)=} onCancel
+ */
+
+export {};
+
+=== /b.ts ===
+import type { Sig, Flat } from "./a.js";
+>Sig : Sig
+>Flat : Flat
+
+export const nested: Array<keyof Sig["Args"]> = ["name", "onCancel"];
+>nested : ("" | "name" | "onCancel")[]
+>["name", "onCancel"] : ("name" | "onCancel")[]
+>"name" : "name"
+>"onCancel" : "onCancel"
+
+export const flat: Array<keyof Flat> = ["name", "onCancel"];
+>flat : (keyof Flat)[]
+>["name", "onCancel"] : ("name" | "onCancel")[]
+>"name" : "name"
+>"onCancel" : "onCancel"
+
+export const onCancel: Sig["Args"]["onCancel"] = (v: string) => {};
+>onCancel : ((v: string) => void) | undefined
+>(v: string) => {} : (v: string) => void
+>v : string
+

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

@@ -0,0 +1,29 @@
+// @strict: true
+// @allowJs: true
+// @checkJs: true
+// @noEmit: true
+
+// @Filename: /a.js
+/**
+ * @typedef Sig
+ * @property {object} Args
+ * @property {string} Args.name
+ * @property {function(string)=} Args.onSave
+ * @property {((v: string) => void)=} Args.onCancel
+ */
+
+/**
+ * @typedef Flat
+ * @property {string} name
+ * @property {function(string)=} onSave
+ * @property {((v: string) => void)=} onCancel
+ */
+
+export {};
+
+// @Filename: /b.ts
+import type { Sig, Flat } from "./a.js";
+
+export const nested: Array<keyof Sig["Args"]> = ["name", "onCancel"];
+export const flat: Array<keyof Flat> = ["name", "onCancel"];
+export const onCancel: Sig["Args"]["onCancel"] = (v: string) => {};