Support beta status in navigator

Sources/SwiftDocC/Indexing/Navigator/NavigatorIndex.swift

@@ -771,7 +771,8 @@ extension NavigatorIndex {
                 platformMask: platformID,
                 availabilityID: UInt64(availabilityID),
                 icon: renderNode.icon,
-                isExternal: external
+                isExternal: external,
+                isBeta: renderNode.metadata.isBeta
             )
             navigationItem.path = identifierPath
 

Sources/SwiftDocC/Indexing/Navigator/NavigatorItem.swift

@@ -1,7 +1,7 @@
 /*
  This source file is part of the Swift.org open source project
 
- Copyright (c) 2021-2024 Apple Inc. and the Swift project authors
+ Copyright (c) 2021-2025 Apple Inc. and the Swift project authors
  Licensed under Apache License v2.0 with Runtime Library Exception
 
  See https://swift.org/LICENSE.txt for license information
@@ -49,6 +49,11 @@ public final class NavigatorItem: Serializable, Codable, Equatable, CustomString
 
     var icon: RenderReferenceIdentifier? = nil
 
+    /// A value that indicates whether this item is built for a beta platform.
+    ///
+    /// This value is `false` if the referenced item is not a symbol.
+    var isBeta: Bool = false
+
     /// Whether the item has originated from an external reference.
     ///
     /// Used for determining whether stray navigation items should remain part of the final navigator.
@@ -66,7 +71,7 @@ public final class NavigatorItem: Serializable, Codable, Equatable, CustomString
         - path: The path to load the content.
         - icon: A reference to a custom image for this navigator item.
      */
-    init(pageType: UInt8, languageID: UInt8, title: String, platformMask: UInt64, availabilityID: UInt64, path: String, icon: RenderReferenceIdentifier? = nil, isExternal: Bool = false) {
+    init(pageType: UInt8, languageID: UInt8, title: String, platformMask: UInt64, availabilityID: UInt64, path: String, icon: RenderReferenceIdentifier? = nil, isExternal: Bool = false, isBeta: Bool = false) {
         self.pageType = pageType
         self.languageID = languageID
         self.title = title
@@ -75,6 +80,7 @@ public final class NavigatorItem: Serializable, Codable, Equatable, CustomString
         self.path = path
         self.icon = icon
         self.isExternal = isExternal
+        self.isBeta = isBeta
     }
 
     /**
@@ -87,15 +93,18 @@ public final class NavigatorItem: Serializable, Codable, Equatable, CustomString
         - platformMask: The mask indicating for which platform the page is available.
         - availabilityID:  The identifier of the availability information of the page.
         - icon: A reference to a custom image for this navigator item.
+        - isExternal: A flag indicating whether the navigator item belongs to an external documentation archive.
+        - isBeta: A flag indicating whether the navigator item is in beta.
      */
-    public init(pageType: UInt8, languageID: UInt8, title: String, platformMask: UInt64, availabilityID: UInt64, icon: RenderReferenceIdentifier? = nil, isExternal: Bool = false) {
+    public init(pageType: UInt8, languageID: UInt8, title: String, platformMask: UInt64, availabilityID: UInt64, icon: RenderReferenceIdentifier? = nil, isExternal: Bool = false, isBeta: Bool = false) {
         self.pageType = pageType
         self.languageID = languageID
         self.title = title
         self.platformMask = platformMask
         self.availabilityID = availabilityID
         self.icon = icon
         self.isExternal = isExternal
+        self.isBeta = isBeta
     }
 
     // MARK: - Serialization and Deserialization
@@ -137,8 +146,27 @@ public final class NavigatorItem: Serializable, Codable, Equatable, CustomString
 
         let pathData = data[cursor..<cursor + Int(pathLength)]
         self.path = String(data: pathData, encoding: .utf8)!
+        cursor += Int(pathLength)
 
-        assert(cursor+Int(pathLength) == data.count)
+        // isBeta and isExternal should be encoded because they are relevant when creating a RenderIndex node.
+        // Without proper serialization, these indicators would be lost when navigator indexes are loaded from disk.
+
+        length = MemoryLayout<UInt8>.stride
+        // To ensure backwards compatibility, handle both when `isBeta` and `isExternal` has been encoded and when it hasn't
+        if cursor < data.count {
+            // Encoded `isBeta`
+            assert(cursor + length <= data.count, "The serialized data is malformed: `isBeta` value should not extend past the end of the data")
+            let betaValue: UInt8 = unpackedValueFromData(data[cursor..<cursor + length])
+            cursor += length
+            self.isBeta = betaValue != 0
+            // Encoded `isExternal`
+            assert(cursor + length <= data.count, "The serialized data is malformed: `isExternal` value should not extend past the end of the data")
+            let externalValue: UInt8 = unpackedValueFromData(data[cursor..<cursor + length])
+            cursor += length
+            self.isExternal = externalValue != 0
+        }
+
+        assert(cursor == data.count)
     }
 
     /// Returns the `Data` representation of the current `NavigatorItem` instance.
@@ -155,6 +183,9 @@ public final class NavigatorItem: Serializable, Codable, Equatable, CustomString
         data.append(Data(title.utf8))
         data.append(Data(path.utf8))
 
+        data.append(packedDataFromValue(isBeta ? UInt8(1) : UInt8(0)))
+        data.append(packedDataFromValue(isExternal ? UInt8(1) : UInt8(0)))
+
         return data
     }
 
@@ -167,7 +198,9 @@ public final class NavigatorItem: Serializable, Codable, Equatable, CustomString
             languageID: \(languageID),
             title: \(title),
             platformMask: \(platformMask),
-            availabilityID: \(availabilityID)
+            availabilityID: \(availabilityID),
+            isBeta: \(isBeta),
+            isExternal: \(isExternal)
         }
         """
     }

Sources/SwiftDocC/Indexing/Navigator/RenderNode+NavigatorIndex.swift

@@ -1,7 +1,7 @@
 /*
  This source file is part of the Swift.org open source project
 
- Copyright (c) 2024 Apple Inc. and the Swift project authors
+ Copyright (c) 2024-2025 Apple Inc. and the Swift project authors
  Licensed under Apache License v2.0 with Runtime Library Exception
 
  See https://swift.org/LICENSE.txt for license information
@@ -40,6 +40,7 @@ protocol NavigatorIndexableRenderMetadataRepresentation {
     var roleHeading: String? { get }
     var symbolKind: String? { get }
     var platforms: [AvailabilityRenderItem]? { get }
+    var isBeta: Bool { get }
 }
 
 extension NavigatorIndexableRenderNodeRepresentation {
@@ -122,6 +123,16 @@ struct RenderNodeVariantView: NavigatorIndexableRenderNodeRepresentation {
     }
 }
 
+extension NavigatorIndexableRenderMetadataRepresentation {
+    var isBeta: Bool {
+        guard let platforms, !platforms.isEmpty else {
+            return false
+        }
+
+        return platforms.allSatisfy { $0.isBeta == true }
+    }
+}
+
 private let typesThatShouldNotUseNavigatorTitle: Set<NavigatorIndex.PageType> = [
     .framework, .class, .structure, .enumeration, .protocol, .typeAlias, .associatedType, .extension
 ]

Sources/SwiftDocC/Indexing/RenderIndexJSON/RenderIndex.swift

@@ -1,7 +1,7 @@
 /*
  This source file is part of the Swift.org open source project
 
- Copyright (c) 2022-2024 Apple Inc. and the Swift project authors
+ Copyright (c) 2022-2025 Apple Inc. and the Swift project authors
  Licensed under Apache License v2.0 with Runtime Library Exception
 
  See https://swift.org/LICENSE.txt for license information
@@ -92,6 +92,7 @@ public struct RenderIndex: Codable, Equatable {
                 pageType: .framework,
                 isDeprecated: false,
                 isExternal: false,
+                isBeta: false,
                 children: nodes,
                 icon: nil
             )
@@ -245,6 +246,7 @@ extension RenderIndex {
             pageType: NavigatorIndex.PageType?,
             isDeprecated: Bool,
             isExternal: Bool,
+            isBeta: Bool,
             children: [Node],
             icon: RenderReferenceIdentifier?
         ) {
@@ -253,10 +255,8 @@ extension RenderIndex {
 
             self.isDeprecated = isDeprecated
             self.isExternal = isExternal
-
-            // Currently Swift-DocC doesn't support marking a node as beta in the navigation index
-            // so we default to `false` here.
-            self.isBeta = false
+            self.isBeta = isBeta
+
             self.icon = icon
 
             guard let pageType else {
@@ -327,6 +327,7 @@ extension RenderIndex.Node {
             pageType: NavigatorIndex.PageType(rawValue: node.item.pageType),
             isDeprecated: isDeprecated,
             isExternal: node.item.isExternal,
+            isBeta: node.item.isBeta,
             children: node.children.map {
                 RenderIndex.Node.fromNavigatorTreeNode($0, in: navigatorIndex, with: builder)
             },

Sources/SwiftDocC/Infrastructure/Link Resolution/LinkResolver+NavigatorIndex.swift

@@ -77,6 +77,13 @@ package struct ExternalRenderNode {
             RenderNode.Variant(traits: [.interfaceLanguage($0.id)], paths: [externalEntity.topicRenderReference.url])
         }
     }
+
+    /// A value that indicates whether this symbol is built for a beta platform
+    ///
+    /// This value is `false` if the referenced page is not a symbol.
+    var isBeta: Bool {
+        externalEntity.topicRenderReference.isBeta
+    }
 }
 
 /// A language specific representation of an external render node value for building a navigator index.
@@ -110,7 +117,8 @@ struct NavigatorExternalRenderNode: NavigatorIndexableRenderNodeRepresentation {
             externalID: renderNode.externalIdentifier.identifier,
             role: renderNode.role,
             symbolKind: renderNode.symbolKind?.identifier,
-            images: renderNode.images
+            images: renderNode.images,
+            isBeta: renderNode.isBeta
         )
     }
 }
@@ -123,6 +131,7 @@ struct ExternalRenderNodeMetadataRepresentation: NavigatorIndexableRenderMetadat
     var role: String?
     var symbolKind: String?
     var images: [TopicImage]
+    var isBeta: Bool
 
     // Values that we have insufficient information to derive.
     // These are needed to conform to the navigator indexable metadata protocol.

Tests/SwiftDocCTests/Indexing/ExternalRenderNodeTests.swift

@@ -21,31 +21,35 @@ class ExternalRenderNodeTests: XCTestCase {
                 referencePath: "/path/to/external/swiftArticle",
                 title: "SwiftArticle",
                 kind: .article,
-                language: .swift
+                language: .swift,
+                platforms: [.init(name: "iOS", introduced: nil, isBeta: false)]
             )
         )
         externalResolver.entitiesToReturn["/path/to/external/objCArticle"] = .success(
             .init(
                 referencePath: "/path/to/external/objCArticle",
                 title: "ObjCArticle",
                 kind: .article,
-                language: .objectiveC
+                language: .objectiveC,
+                platforms: [.init(name: "macOS", introduced: nil, isBeta: true)]
             )
         )
         externalResolver.entitiesToReturn["/path/to/external/swiftSymbol"] = .success(
             .init(
                 referencePath: "/path/to/external/swiftSymbol",
                 title: "SwiftSymbol",
                 kind: .class,
-                language: .swift
+                language: .swift,
+                platforms: [.init(name: "iOS", introduced: nil, isBeta: true)]
             )
         )
         externalResolver.entitiesToReturn["/path/to/external/objCSymbol"] = .success(
             .init(
                 referencePath: "/path/to/external/objCSymbol",
                 title: "ObjCSymbol",
                 kind: .function,
-                language: .objectiveC
+                language: .objectiveC,
+                platforms: [.init(name: "macOS", introduced: nil, isBeta: false)]
             )
         )
         return externalResolver
@@ -89,24 +93,28 @@ class ExternalRenderNodeTests: XCTestCase {
         XCTAssertEqual(externalRenderNodes[0].symbolKind, nil)
         XCTAssertEqual(externalRenderNodes[0].role, "article")
         XCTAssertEqual(externalRenderNodes[0].externalIdentifier.identifier, "doc://com.test.external/path/to/external/objCArticle")
-
+        XCTAssertTrue(externalRenderNodes[0].isBeta)
+
         XCTAssertEqual(externalRenderNodes[1].identifier.absoluteString, "doc://org.swift.MixedLanguageFramework/example/path/to/external/objCSymbol")
         XCTAssertEqual(externalRenderNodes[1].kind, .symbol)
         XCTAssertEqual(externalRenderNodes[1].symbolKind, nil)
         XCTAssertEqual(externalRenderNodes[1].role, "symbol")
         XCTAssertEqual(externalRenderNodes[1].externalIdentifier.identifier, "doc://com.test.external/path/to/external/objCSymbol")
+        XCTAssertFalse(externalRenderNodes[1].isBeta)
 
         XCTAssertEqual(externalRenderNodes[2].identifier.absoluteString, "doc://org.swift.MixedLanguageFramework/example/path/to/external/swiftArticle")
         XCTAssertEqual(externalRenderNodes[2].kind, .article)
         XCTAssertEqual(externalRenderNodes[2].symbolKind, nil)
         XCTAssertEqual(externalRenderNodes[2].role, "article")
         XCTAssertEqual(externalRenderNodes[2].externalIdentifier.identifier, "doc://com.test.external/path/to/external/swiftArticle")
+        XCTAssertFalse(externalRenderNodes[2].isBeta)
 
         XCTAssertEqual(externalRenderNodes[3].identifier.absoluteString, "doc://org.swift.MixedLanguageFramework/example/path/to/external/swiftSymbol")
         XCTAssertEqual(externalRenderNodes[3].kind, .symbol)
         XCTAssertEqual(externalRenderNodes[3].symbolKind, nil)
         XCTAssertEqual(externalRenderNodes[3].role, "symbol")
         XCTAssertEqual(externalRenderNodes[3].externalIdentifier.identifier, "doc://com.test.external/path/to/external/swiftSymbol")
+        XCTAssertTrue(externalRenderNodes[3].isBeta)
     }
 
     func testExternalRenderNodeVariantRepresentation() throws {
@@ -146,14 +154,16 @@ class ExternalRenderNodeTests: XCTestCase {
         )
         XCTAssertEqual(swiftNavigatorExternalRenderNode.metadata.title, swiftTitle)
         XCTAssertEqual(swiftNavigatorExternalRenderNode.metadata.navigatorTitle, navigatorTitle)
-
+        XCTAssertFalse(swiftNavigatorExternalRenderNode.metadata.isBeta)
+
         let objcNavigatorExternalRenderNode = try XCTUnwrap(
             NavigatorExternalRenderNode(renderNode: externalRenderNode, trait: .interfaceLanguage("objc"))
         )
         XCTAssertEqual(objcNavigatorExternalRenderNode.metadata.title, occTitle)
         XCTAssertEqual(objcNavigatorExternalRenderNode.metadata.navigatorTitle, occNavigatorTitle)
+        XCTAssertFalse(objcNavigatorExternalRenderNode.metadata.isBeta)
     }
-    
+
     func testNavigatorWithExternalNodes() async throws {
         let externalResolver = generateExternalResolver()
         let (_, bundle, context) = try await testBundleAndContext(
@@ -208,6 +218,10 @@ class ExternalRenderNodeTests: XCTestCase {
         XCTAssertEqual(occExternalNodes.map(\.title), ["ObjCArticle", "ObjCSymbol"])
         XCTAssert(swiftExternalNodes.allSatisfy(\.isExternal))
         XCTAssert(occExternalNodes.allSatisfy(\.isExternal))
+        XCTAssert(swiftExternalNodes.first { $0.title == "SwiftArticle" }?.isBeta == false)
+        XCTAssert(swiftExternalNodes.first { $0.title == "SwiftSymbol" }?.isBeta == true)
+        XCTAssert(occExternalNodes.first { $0.title == "ObjCArticle" }?.isBeta == true)
+        XCTAssert(occExternalNodes.first { $0.title == "ObjCSymbol" }?.isBeta == false)
     }
 
     func testNavigatorWithExternalNodesOnlyAddsCuratedNodesToNavigator() async throws {
@@ -269,4 +283,52 @@ class ExternalRenderNodeTests: XCTestCase {
         XCTAssert(swiftExternalNodes.allSatisfy(\.isExternal))
         XCTAssert(occExternalNodes.allSatisfy(\.isExternal))
     }
+
+    func testExternalRenderNodeVariantRepresentationWhenIsBeta() throws {
+        let renderReferenceIdentifier = RenderReferenceIdentifier(forExternalLink: "doc://com.test.external/path/to/external/symbol")
+
+        // Variants for the title
+        let swiftTitle = "Swift Symbol"
+        let occTitle = "Occ Symbol"
+
+        // Variants for the navigator title
+        let navigatorTitle: [DeclarationRenderSection.Token] = [.init(text: "symbol", kind: .identifier)]
+        let occNavigatorTitle: [DeclarationRenderSection.Token] = [.init(text: "occ_symbol", kind: .identifier)]
+
+        // Variants for the fragments
+        let fragments: [DeclarationRenderSection.Token] = [.init(text: "func", kind: .keyword), .init(text: "symbol", kind: .identifier)]
+        let occFragments: [DeclarationRenderSection.Token] = [.init(text: "func", kind: .keyword), .init(text: "occ_symbol", kind: .identifier)]
+
+        let externalEntity = LinkResolver.ExternalEntity(
+            topicRenderReference: .init(
+                identifier: renderReferenceIdentifier,
+                titleVariants: .init(defaultValue: swiftTitle, objectiveCValue: occTitle),
+                abstractVariants: .init(defaultValue: []),
+                url: "/example/path/to/external/symbol",
+                kind: .symbol,
+                fragmentsVariants: .init(defaultValue: fragments, objectiveCValue: occFragments),
+                navigatorTitleVariants: .init(defaultValue: navigatorTitle, objectiveCValue: occNavigatorTitle),
+                isBeta: true
+            ),
+            renderReferenceDependencies: .init(),
+            sourceLanguages: [SourceLanguage(name: "swift"), SourceLanguage(name: "objc")])
+        let externalRenderNode = ExternalRenderNode(
+            externalEntity: externalEntity,
+            bundleIdentifier: "com.test.external"
+        )
+
+        let swiftNavigatorExternalRenderNode = try XCTUnwrap(
+            NavigatorExternalRenderNode(renderNode: externalRenderNode)
+        )
+        XCTAssertEqual(swiftNavigatorExternalRenderNode.metadata.title, swiftTitle)
+        XCTAssertEqual(swiftNavigatorExternalRenderNode.metadata.navigatorTitle, navigatorTitle)
+        XCTAssertTrue(swiftNavigatorExternalRenderNode.metadata.isBeta)
+
+        let objcNavigatorExternalRenderNode = try XCTUnwrap(
+            NavigatorExternalRenderNode(renderNode: externalRenderNode, trait: .interfaceLanguage("objc"))
+        )
+        XCTAssertEqual(objcNavigatorExternalRenderNode.metadata.title, occTitle)
+        XCTAssertEqual(objcNavigatorExternalRenderNode.metadata.navigatorTitle, occNavigatorTitle)
+        XCTAssertTrue(objcNavigatorExternalRenderNode.metadata.isBeta)
+    }
 }