Fixed broken links to members of groupNode members

2 files changed, 15 insertions, 4 deletions

diff --git a/core/src/main/kotlin/Formats/StructuredFormatService.kt b/core/src/main/kotlin/Formats/StructuredFormatService.kt
index b4bb660e..84f91d9c 100644
--- a/core/src/main/kotlin/Formats/StructuredFormatService.kt
+++ b/core/src/main/kotlin/Formats/StructuredFormatService.kt
@@ -1,7 +1,6 @@
 package org.jetbrains.dokka
 
 import org.jetbrains.dokka.LanguageService.RenderMode
-import org.jetbrains.kotlin.utils.ifEmpty
 import java.util.*
 
 data class FormatLink(val text: String, val href: String)
@@ -188,6 +187,9 @@ abstract class StructuredOutputBuilder(val to: StringBuilder,
         if (to.owner?.kind == NodeKind.GroupNode)
             return link(from, to.owner!!, extension, name)
 
+        if (from.owner?.kind == NodeKind.GroupNode)
+            return link(from.owner!!, to, extension, name)
+
         return FormatLink(name(to), locationService.relativePathToLocation(from, to))
     }
 
@@ -226,7 +228,6 @@ abstract class StructuredOutputBuilder(val to: StringBuilder,
         for ((index, item) in path.withIndex()) {
             if (index > 0) {
                 appendBreadcrumbSeparator()
-
             }
             appendLink(item)
         }
@@ -248,7 +249,7 @@ abstract class StructuredOutputBuilder(val to: StringBuilder,
     open inner class PageBuilder(val nodes: Iterable<DocumentationNode>, val noHeader: Boolean = false) {
         open fun build() {
             val breakdownByLocation = nodes.groupBy { node ->
-                node.path.filterNot { it.name.isEmpty() }.map { link(node, it) }
+                node.path.filterNot { it.name.isEmpty() }.map { link(node, it) }.distinct()
             }
 
             for ((path, nodes) in breakdownByLocation) {
diff --git a/core/src/test/kotlin/format/MarkdownFormatTest.kt b/core/src/test/kotlin/format/MarkdownFormatTest.kt
index 2753e18d..c643eec2 100644
--- a/core/src/test/kotlin/format/MarkdownFormatTest.kt
+++ b/core/src/test/kotlin/format/MarkdownFormatTest.kt
@@ -309,11 +309,21 @@ class MarkdownFormatTest {
         val path = "multiplatform/groupNode"
         val module = buildMultiplePlatforms(path)
         verifyModelOutput(module, ".md", "testdata/format/$path/multiplatform.kt") { model, output ->
-            markdownService.createOutputBuilder(output, tempLocation).appendNodes(model.members.single().members.find { it.kind == NodeKind.GroupNode }.singletonOrEmptyList())
+            markdownService.createOutputBuilder(output, tempLocation)
+                    .appendNodes(listOfNotNull(model.members.single().members.find { it.kind == NodeKind.GroupNode }))
         }
         verifyMultiplatformPackage(module, path)
     }
 
+    @Test fun multiplePlatformsBreadcrumbsInMemberOfMemberOfGroupNode() {
+        val path = "multiplatform/breadcrumbsInMemberOfMemberOfGroupNode"
+        val module = buildMultiplePlatforms(path)
+        verifyModelOutput(module, ".md", "testdata/format/$path/multiplatform.kt") { model, output ->
+            markdownService.createOutputBuilder(output, tempLocation)
+                    .appendNodes(listOfNotNull(model.members.single().members.find { it.kind == NodeKind.GroupNode }?.member(NodeKind.Class)?.member(NodeKind.Function)))
+        }
+    }
+
     private fun buildMultiplePlatforms(path: String): DocumentationModule {
         val module = DocumentationModule("test")
         val options = DocumentationOptions("", "html", generateIndexPages = false)