Generate docs only for public symbols (#116)

* Generate only for public symbols

* Get extension from property

* Assume unkown is public

If you can access it from not where it's defined, it should be public.

This fixes protocol conformances not showing up.

Co-authored-by: Mattt <mattt@me.com>

Author: ApolloZhu

Sources/SwiftDoc/Symbol.swift

@@ -33,13 +33,16 @@ public final class Symbol {
     }()
 
     public var isPublic: Bool {
+        if api is Unknown {
+            return true
+        }
+
         if api.modifiers.contains(where: { $0.name == "public" || $0.name == "open" }) {
             return true
         }
 
-        if let `extension` = context.compactMap({ $0 as? Extension }).first,
-            `extension`.modifiers.contains(where: { $0.name == "public" })
-        {
+        if let `extension` = `extension`,
+            `extension`.modifiers.contains(where: { $0.name == "public" }) {
             return true
         }
 

Sources/swift-doc/Supporting Types/Components/Members.swift

@@ -23,7 +23,9 @@ struct Members: Component {
         self.module = module
         self.baseURL = baseURL
 
-        self.members = module.interface.members(of: symbol).filter { $0.extension?.genericRequirements.isEmpty != false }
+        self.members = module.interface.members(of: symbol)
+            .filter { $0.extension?.genericRequirements.isEmpty != false }
+            .filter { $0.isPublic }
 
         self.typealiases = members.filter { $0.api is Typealias }
         self.initializers = members.filter { $0.api is Initializer }

Sources/swift-doc/Supporting Types/Components/Relationships.swift

@@ -64,7 +64,7 @@ struct Relationships: Component {
             ("Subclasses", module.interface.typesInheriting(from: symbol)),
             ("Conforms To", module.interface.typesConformed(by: symbol)),
             ("Types Conforming to <code>\(softbreak(symbol.id.description))</code>", module.interface.typesConforming(to: symbol)),
-        ].filter { !$0.symbols.isEmpty }
+        ].map { (title: $0.0, symbols: $0.1.filter { $0.isPublic }) }.filter { !$0.symbols.isEmpty }
     }
 
     // MARK: - Component