2 files changed, 90 insertions, 0 deletions
diff --git a/dokka-subprojects/plugin-jekyll/src/main/kotlin/org/jetbrains/dokka/jekyll/JekyllPlugin.kt b/dokka-subprojects/plugin-jekyll/src/main/kotlin/org/jetbrains/dokka/jekyll/JekyllPlugin.kt
new file mode 100644
index 00000000..733c81bb
--- /dev/null
+++ b/dokka-subprojects/plugin-jekyll/src/main/kotlin/org/jetbrains/dokka/jekyll/JekyllPlugin.kt
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2014-2023 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package org.jetbrains.dokka.jekyll
+
+import org.jetbrains.dokka.CoreExtensions
+import org.jetbrains.dokka.base.DokkaBase
+import org.jetbrains.dokka.base.renderers.PackageListCreator
+import org.jetbrains.dokka.base.renderers.RootCreator
+import org.jetbrains.dokka.base.resolvers.local.DokkaLocationProviderFactory
+import org.jetbrains.dokka.base.resolvers.local.LocationProviderFactory
+import org.jetbrains.dokka.base.resolvers.shared.RecognizedLinkFormat
+import org.jetbrains.dokka.gfm.GfmPlugin
+import org.jetbrains.dokka.gfm.renderer.BriefCommentPreprocessor
+import org.jetbrains.dokka.gfm.renderer.CommonmarkRenderer
+import org.jetbrains.dokka.pages.ContentPage
+import org.jetbrains.dokka.plugability.*
+import org.jetbrains.dokka.renderers.PostAction
+import org.jetbrains.dokka.renderers.Renderer
+import org.jetbrains.dokka.transformers.pages.PageTransformer
+
+public class JekyllPlugin : DokkaPlugin() {
+
+    public val jekyllPreprocessors: ExtensionPoint<PageTransformer> by extensionPoint<PageTransformer>()
+
+    private val dokkaBase by lazy { plugin<DokkaBase>() }
+
+    private val gfmPlugin by lazy { plugin<GfmPlugin>() }
+
+    public val renderer: Extension<Renderer, *, *> by extending {
+        (CoreExtensions.renderer
+                providing { JekyllRenderer(it) }
+                override plugin<GfmPlugin>().renderer)
+    }
+
+    public val rootCreator: Extension<PageTransformer, *, *> by extending {
+        jekyllPreprocessors with RootCreator
+    }
+
+    public val briefCommentPreprocessor: Extension<PageTransformer, *, *> by extending {
+        jekyllPreprocessors with BriefCommentPreprocessor()
+    }
+
+    public val packageListCreator: Extension<PageTransformer, *, *> by extending {
+        jekyllPreprocessors providing {
+            PackageListCreator(it, RecognizedLinkFormat.DokkaJekyll)
+        } order { after(rootCreator) }
+    }
+
+    public val locationProvider: Extension<LocationProviderFactory, *, *> by extending {
+        dokkaBase.locationProviderFactory providing ::DokkaLocationProviderFactory override listOf(gfmPlugin.locationProvider)
+    }
+
+    internal val alphaVersionNotifier by extending {
+        CoreExtensions.postActions providing { ctx ->
+            PostAction {
+                ctx.logger.info(
+                    "The Jekyll output format is still in Alpha so you may find bugs and experience migration " +
+                            "issues when using it. You use it at your own risk."
+                )
+            }
+        }
+    }
+
+    @OptIn(DokkaPluginApiPreview::class)
+    override fun pluginApiPreviewAcknowledgement(): PluginApiPreviewAcknowledgement =
+        PluginApiPreviewAcknowledgement
+}
+
+public class JekyllRenderer(
+    context: DokkaContext
+) : CommonmarkRenderer(context) {
+
+    override val preprocessors: List<PageTransformer> = context.plugin<JekyllPlugin>().query { jekyllPreprocessors }
+
+    override fun buildPage(page: ContentPage, content: (StringBuilder, ContentPage) -> Unit): String {
+        val builder = StringBuilder()
+        builder.append("---\n")
+        builder.append("title: ${page.name}\n")
+        builder.append("---\n")
+        content(builder, page)
+        return builder.toString()
+    }
+}
diff --git a/dokka-subprojects/plugin-jekyll/src/main/resources/META-INF/services/org.jetbrains.dokka.plugability.DokkaPlugin b/dokka-subprojects/plugin-jekyll/src/main/resources/META-INF/services/org.jetbrains.dokka.plugability.DokkaPlugin
new file mode 100644
index 00000000..563945eb
--- /dev/null
+++ b/dokka-subprojects/plugin-jekyll/src/main/resources/META-INF/services/org.jetbrains.dokka.plugability.DokkaPlugin
@@ -0,0 +1,5 @@
+#
+# Copyright 2014-2023 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+#
+
+org.jetbrains.dokka.jekyll.JekyllPlugin