Add see tag support

src/compiler/checker.ts

@@ -36425,6 +36425,17 @@ namespace ts {
             return node.parent.kind === SyntaxKind.ExpressionWithTypeArguments;
         }
 
+        function isJSDocEntryNameReference(node: Identifier | PrivateIdentifier | PropertyAccessExpression | QualifiedName): boolean {
+            while (node.parent.kind === SyntaxKind.QualifiedName) {
+                node = node.parent as QualifiedName;
+            }
+            while (node.parent.kind === SyntaxKind.PropertyAccessExpression) {
+                node = node.parent as PropertyAccessExpression;
+            }
+
+            return node.parent.kind === SyntaxKind.JSDocNameReference;
+        }
+
         function forEachEnclosingClass<T>(node: Node, callback: (node: Node) => T | undefined): T | undefined {
             let result: T | undefined;
 
@@ -36609,6 +36620,10 @@ namespace ts {
                 const meaning = name.parent.kind === SyntaxKind.TypeReference ? SymbolFlags.Type : SymbolFlags.Namespace;
                 return resolveEntityName(<EntityName>name, meaning, /*ignoreErrors*/ false, /*dontResolveAlias*/ true);
             }
+            else if (isJSDocEntryNameReference(name)) {
+                const meaning = SymbolFlags.Type | SymbolFlags.Namespace | SymbolFlags.Value;
+                return resolveEntityName(<EntityName>name, meaning, /*ignoreErrors*/ false, /*dontResolveAlias*/ true, getHostSignatureFromJSDoc(name));
+            }
 
             if (name.parent.kind === SyntaxKind.TypePredicate) {
                 return resolveEntityName(<Identifier>name, /*meaning*/ SymbolFlags.FunctionScopedVariable);

src/compiler/emitter.ts

@@ -1548,6 +1548,10 @@ namespace ts {
                     case SyntaxKind.JSDocClassTag:
                     case SyntaxKind.JSDocTag:
                         return emitJSDocSimpleTag(node as JSDocTag);
+                    case SyntaxKind.JSDocSeeTag:
+                        return emitJSDocSeeTag(node as JSDocSeeTag);
+                    case SyntaxKind.JSDocNameReference:
+                        return emitJSDocNameReference(node as JSDocNameReference);
 
                     case SyntaxKind.JSDocComment:
                         return emitJSDoc(node as JSDoc);
@@ -3503,6 +3507,19 @@ namespace ts {
             emitJSDocComment(tag.comment);
         }
 
+        function emitJSDocSeeTag(tag: JSDocSeeTag) {
+            emitJSDocTagName(tag.tagName);
+            emit(tag.name);
+            emitJSDocComment(tag.comment);
+        }
+
+        function emitJSDocNameReference(node: JSDocNameReference) {
+            writeSpace();
+            writePunctuation("{");
+            emit(node.name);
+            writePunctuation("}");
+        }
+
         function emitJSDocHeritageTag(tag: JSDocImplementsTag | JSDocAugmentsTag) {
             emitJSDocTagName(tag.tagName);
             writeSpace();

src/compiler/factory/nodeFactory.ts

@@ -337,6 +337,10 @@ namespace ts {
             updateJSDocAugmentsTag,
             createJSDocImplementsTag,
             updateJSDocImplementsTag,
+            createJSDocSeeTag,
+            updateJSDocSeeTag,
+            createJSDocNameReference,
+            updateJSDocNameReference,
             // lazily load factory members for JSDoc tags with similar structure
             get createJSDocTypeTag() { return getJSDocTypeLikeTagCreateFunction<JSDocTypeTag>(SyntaxKind.JSDocTypeTag); },
             get updateJSDocTypeTag() { return getJSDocTypeLikeTagUpdateFunction<JSDocTypeTag>(SyntaxKind.JSDocTypeTag); },
@@ -4259,6 +4263,36 @@ namespace ts {
             return node;
         }
 
+        // @api
+        function createJSDocSeeTag(tagName: Identifier | undefined, name: JSDocNameReference | undefined, comment?: string): JSDocSeeTag {
+            const node = createBaseJSDocTag<JSDocSeeTag>(SyntaxKind.JSDocSeeTag, tagName ?? createIdentifier("see"), comment);
+            node.name = name;
+            return node;
+        }
+
+        // @api
+        function updateJSDocSeeTag(node: JSDocSeeTag, tagName: Identifier | undefined, name: JSDocNameReference | undefined, comment?: string): JSDocSeeTag {
+            return node.tagName !== tagName
+                || node.name !== name
+                || node.comment !== comment
+                ? update(createJSDocSeeTag(tagName, name, comment), node)
+                : node;
+        }
+
+        // @api
+        function createJSDocNameReference(name: EntityName): JSDocNameReference {
+            const node = createBaseNode<JSDocNameReference>(SyntaxKind.JSDocNameReference);
+            node.name = name;
+            return node;
+        }
+
+        // @api
+        function updateJSDocNameReference(node: JSDocNameReference, name: EntityName): JSDocNameReference {
+            return node.name !== name
+                ? update(createJSDocNameReference(name), node)
+                : node;
+        }
+
         // @api
         function updateJSDocImplementsTag(node: JSDocImplementsTag, tagName: Identifier = getDefaultTagName(node), className: JSDocImplementsTag["class"], comment: string | undefined): JSDocImplementsTag {
             return node.tagName !== tagName

src/compiler/factory/nodeTests.ts

@@ -695,6 +695,10 @@ namespace ts {
         return node.kind === SyntaxKind.JSDocTypeExpression;
     }
 
+    export function isJSDocNameReference(node: Node): node is JSDocNameReference {
+        return node.kind === SyntaxKind.JSDocNameReference;
+    }
+
     export function isJSDocAllType(node: Node): node is JSDocAllType {
         return node.kind === SyntaxKind.JSDocAllType;
     }

src/compiler/parser.ts

@@ -477,6 +477,11 @@ namespace ts {
                     visitNode(cbNode, (<JSDocFunctionType>node).type);
             case SyntaxKind.JSDocComment:
                 return visitNodes(cbNode, cbNodes, (<JSDoc>node).tags);
+            case SyntaxKind.JSDocSeeTag:
+                return visitNode(cbNode, (node as JSDocSeeTag).tagName) ||
+                    visitNode(cbNode, (node as JSDocSeeTag).name);
+            case SyntaxKind.JSDocNameReference:
+                return visitNode(cbNode, (node as JSDocNameReference).name);
             case SyntaxKind.JSDocParameterTag:
             case SyntaxKind.JSDocPropertyTag:
                 return visitNode(cbNode, (node as JSDocTag).tagName) ||
@@ -7150,6 +7155,19 @@ namespace ts {
                 return finishNode(result, pos);
             }
 
+            export function parseJSDocNameReference(): JSDocNameReference {
+                const pos = getNodePos();
+                const hasBrace = parseOptional(SyntaxKind.OpenBraceToken);
+                const entityName = parseEntityName(/* allowReservedWords*/ false);
+                if (hasBrace) {
+                    parseExpectedJSDoc(SyntaxKind.CloseBraceToken);
+                }
+
+                const result = factory.createJSDocNameReference(entityName);
+                fixupParentReferences(result);
+                return finishNode(result, pos);
+            }
+
             export function parseIsolatedJSDocComment(content: string, start: number | undefined, length: number | undefined): { jsDoc: JSDoc, diagnostics: Diagnostic[] } | undefined {
                 initializeState("", content, ScriptTarget.Latest, /*_syntaxCursor:*/ undefined, ScriptKind.JS);
                 const jsDoc = doInsideOfContext(NodeFlags.JSDoc, () => parseJSDocCommentWorker(start, length));
@@ -7431,6 +7449,9 @@ namespace ts {
                         case "callback":
                             tag = parseCallbackTag(start, tagName, margin, indentText);
                             break;
+                        case "see":
+                            tag = parseSeeTag(start, tagName, margin, indentText);
+                            break;
                         default:
                             tag = parseUnknownTag(start, tagName, margin, indentText);
                             break;
@@ -7661,6 +7682,13 @@ namespace ts {
                     return finishNode(factory.createJSDocTypeTag(tagName, typeExpression, comments), start, end);
                 }
 
+                function parseSeeTag(start: number, tagName: Identifier, indent?: number, indentText?: string): JSDocSeeTag {
+                    const nameExpression = parseJSDocNameReference();
+                    const end = getNodePos();
+                    const comments = indent !== undefined && indentText !== undefined ? parseTrailingTagComments(start, end, indent, indentText) : undefined;
+                    return finishNode(factory.createJSDocSeeTag(tagName, nameExpression, comments), start, end);
+                }
+
                 function parseAuthorTag(start: number, tagName: Identifier, indent: number, indentText: string): JSDocAuthorTag {
                     const authorInfoWithEmail = tryParse(() => tryParseAuthorNameAndEmail());
                     if (!authorInfoWithEmail) {

src/compiler/types.ts

@@ -357,6 +357,7 @@ namespace ts {
 
         // JSDoc nodes
         JSDocTypeExpression,
+        JSDocNameReference,
         // The * type
         JSDocAllType,
         // The ? type
@@ -389,6 +390,7 @@ namespace ts {
         JSDocTypeTag,
         JSDocTemplateTag,
         JSDocTypedefTag,
+        JSDocSeeTag,
         JSDocPropertyTag,
 
         // Synthesized list
@@ -3055,6 +3057,11 @@ namespace ts {
         readonly type: TypeNode;
     }
 
+    export interface JSDocNameReference extends Node {
+        readonly kind: SyntaxKind.JSDocNameReference;
+        readonly name: EntityName;
+    }
+
     export interface JSDocType extends TypeNode {
         _jsDocTypeBrand: any;
     }
@@ -3179,6 +3186,11 @@ namespace ts {
         readonly typeParameters: NodeArray<TypeParameterDeclaration>;
     }
 
+    export interface JSDocSeeTag extends JSDocTag {
+        readonly kind: SyntaxKind.JSDocSeeTag;
+        readonly name?: JSDocNameReference;
+    }
+
     export interface JSDocReturnTag extends JSDocTag {
         readonly kind: SyntaxKind.JSDocReturnTag;
         readonly typeExpression?: JSDocTypeExpression;
@@ -6965,6 +6977,8 @@ namespace ts {
         updateJSDocNamepathType(node: JSDocNamepathType, type: TypeNode): JSDocNamepathType;
         createJSDocTypeExpression(type: TypeNode): JSDocTypeExpression;
         updateJSDocTypeExpression(node: JSDocTypeExpression, type: TypeNode): JSDocTypeExpression;
+        createJSDocNameReference(name: EntityName): JSDocNameReference;
+        updateJSDocNameReference(node: JSDocNameReference, name: EntityName): JSDocNameReference;
         createJSDocTypeLiteral(jsDocPropertyTags?: readonly JSDocPropertyLikeTag[], isArrayType?: boolean): JSDocTypeLiteral;
         updateJSDocTypeLiteral(node: JSDocTypeLiteral, jsDocPropertyTags: readonly JSDocPropertyLikeTag[] | undefined, isArrayType: boolean | undefined): JSDocTypeLiteral;
         createJSDocSignature(typeParameters: readonly JSDocTemplateTag[] | undefined, parameters: readonly JSDocParameterTag[], type?: JSDocReturnTag): JSDocSignature;
@@ -6979,6 +6993,8 @@ namespace ts {
         updateJSDocPropertyTag(node: JSDocPropertyTag, tagName: Identifier | undefined, name: EntityName, isBracketed: boolean, typeExpression: JSDocTypeExpression | undefined, isNameFirst: boolean, comment: string | undefined): JSDocPropertyTag;
         createJSDocTypeTag(tagName: Identifier | undefined, typeExpression: JSDocTypeExpression, comment?: string): JSDocTypeTag;
         updateJSDocTypeTag(node: JSDocTypeTag, tagName: Identifier | undefined, typeExpression: JSDocTypeExpression, comment: string | undefined): JSDocTypeTag;
+        createJSDocSeeTag(tagName: Identifier | undefined, nameExpression: JSDocNameReference | undefined, comment?: string): JSDocSeeTag;
+        updateJSDocSeeTag(node: JSDocSeeTag, tagName: Identifier | undefined, nameExpression: JSDocNameReference | undefined, comment?: string): JSDocSeeTag;
         createJSDocReturnTag(tagName: Identifier | undefined, typeExpression?: JSDocTypeExpression, comment?: string): JSDocReturnTag;
         updateJSDocReturnTag(node: JSDocReturnTag, tagName: Identifier | undefined, typeExpression: JSDocTypeExpression | undefined, comment: string | undefined): JSDocReturnTag;
         createJSDocThisTag(tagName: Identifier | undefined, typeExpression: JSDocTypeExpression, comment?: string): JSDocThisTag;

src/services/utilities.ts

@@ -105,6 +105,9 @@ namespace ts {
         else if (isDeclarationName(node)) {
             return getMeaningFromDeclaration(node.parent);
         }
+        else if (isEntityName(node) && isJSDocNameReference(node.parent)) {
+            return SemanticMeaning.All;
+        }
         else if (isTypeReference(node)) {
             return SemanticMeaning.Type;
         }

src/testRunner/unittests/jsDocParsing.ts

@@ -314,7 +314,6 @@ namespace ts {
                     `/**
  * {@link first link}
  * Inside {@link link text} thing
- * @see {@link second link text} and {@link Foo|a foo} as well.
  */`);
                 parsesCorrectly("authorTag",
                     `/**

tests/baselines/reference/JSDocParsing/DocComments.parsesCorrectly.@link tags.json

@@ -1,32 +1,9 @@
 {
     "kind": "JSDocComment",
     "pos": 0,
-    "end": 127,
+    "end": 63,
     "flags": "JSDoc",
     "modifierFlagsCache": 0,
     "transformFlags": 0,
-    "comment": "{@link first link}\nInside {@link link text} thing",
-    "tags": {
-        "0": {
-            "kind": "JSDocTag",
-            "pos": 63,
-            "end": 68,
-            "modifierFlagsCache": 0,
-            "transformFlags": 0,
-            "tagName": {
-                "kind": "Identifier",
-                "pos": 64,
-                "end": 67,
-                "modifierFlagsCache": 0,
-                "transformFlags": 0,
-                "escapedText": "see"
-            },
-            "comment": "{@link second link text} and {@link Foo|a foo} as well."
-        },
-        "length": 1,
-        "pos": 63,
-        "end": 68,
-        "hasTrailingComma": false,
-        "transformFlags": 0
-    }
+    "comment": "{@link first link}\nInside {@link link text} thing"
 }