Convert interfaces to functional (#2360)

6 files changed, 8 insertions, 14 deletions

diff --git a/core/src/main/kotlin/transformers/documentation/DocumentableMerger.kt b/core/src/main/kotlin/transformers/documentation/DocumentableMerger.kt
index aa878873..358fdb1d 100644
--- a/core/src/main/kotlin/transformers/documentation/DocumentableMerger.kt
+++ b/core/src/main/kotlin/transformers/documentation/DocumentableMerger.kt
@@ -3,6 +3,6 @@ package org.jetbrains.dokka.transformers.documentation
 import org.jetbrains.dokka.model.DModule
 import org.jetbrains.dokka.plugability.DokkaContext
 
-interface DocumentableMerger {
+fun interface DocumentableMerger {
     operator fun invoke(modules: Collection<DModule>): DModule?
 }
\ No newline at end of file
diff --git a/core/src/main/kotlin/transformers/documentation/DocumentableToPageTranslator.kt b/core/src/main/kotlin/transformers/documentation/DocumentableToPageTranslator.kt
index a4daba63..f8005cfe 100644
--- a/core/src/main/kotlin/transformers/documentation/DocumentableToPageTranslator.kt
+++ b/core/src/main/kotlin/transformers/documentation/DocumentableToPageTranslator.kt
@@ -4,6 +4,6 @@ import org.jetbrains.dokka.model.DModule
 import org.jetbrains.dokka.pages.ModulePageNode
 import org.jetbrains.dokka.pages.RootPageNode
 
-interface DocumentableToPageTranslator {
+fun interface DocumentableToPageTranslator {
     operator fun invoke(module: DModule): RootPageNode
 }
\ No newline at end of file
diff --git a/core/src/main/kotlin/transformers/documentation/DocumentableTransformer.kt b/core/src/main/kotlin/transformers/documentation/DocumentableTransformer.kt
index d0570c7a..a808a224 100644
--- a/core/src/main/kotlin/transformers/documentation/DocumentableTransformer.kt
+++ b/core/src/main/kotlin/transformers/documentation/DocumentableTransformer.kt
@@ -4,6 +4,6 @@ import org.jetbrains.dokka.model.DModule
 import org.jetbrains.dokka.model.Documentable
 import org.jetbrains.dokka.plugability.DokkaContext
 
-interface DocumentableTransformer {
+fun interface DocumentableTransformer {
     operator fun invoke(original: DModule, context: DokkaContext): DModule
 }
diff --git a/core/src/main/kotlin/transformers/pages/PageTransformer.kt b/core/src/main/kotlin/transformers/pages/PageTransformer.kt
index 68dc4bc8..b51eb31b 100644
--- a/core/src/main/kotlin/transformers/pages/PageTransformer.kt
+++ b/core/src/main/kotlin/transformers/pages/PageTransformer.kt
@@ -2,6 +2,6 @@ package org.jetbrains.dokka.transformers.pages
 
 import org.jetbrains.dokka.pages.RootPageNode
 
-interface PageTransformer {
+fun interface PageTransformer {
     operator fun invoke(input: RootPageNode): RootPageNode
 }
diff --git a/core/src/main/kotlin/transformers/pages/PageTransformerBuilders.kt b/core/src/main/kotlin/transformers/pages/PageTransformerBuilders.kt
index 291b72ef..6797eae6 100644
--- a/core/src/main/kotlin/transformers/pages/PageTransformerBuilders.kt
+++ b/core/src/main/kotlin/transformers/pages/PageTransformerBuilders.kt
@@ -3,17 +3,11 @@ package org.jetbrains.dokka.transformers.pages
 import org.jetbrains.dokka.pages.PageNode
 import org.jetbrains.dokka.pages.RootPageNode
 
-fun pageScanner(block: PageNode.() -> Unit) = object : PageTransformer {
-    override fun invoke(input: RootPageNode): RootPageNode = input.invokeOnAll(block) as RootPageNode
-}
+fun pageScanner(block: PageNode.() -> Unit) = PageTransformer { input -> input.invokeOnAll(block) as RootPageNode }
 
-fun pageMapper(block: PageNode.() -> PageNode) = object : PageTransformer {
-    override fun invoke(input: RootPageNode): RootPageNode = input.alterChildren(block) as RootPageNode
-}
+fun pageMapper(block: PageNode.() -> PageNode) = PageTransformer { input -> input.alterChildren(block) as RootPageNode }
 
-fun pageStructureTransformer(block: RootPageNode.() -> RootPageNode) = object : PageTransformer {
-    override fun invoke(input: RootPageNode): RootPageNode = block(input)
-}
+fun pageStructureTransformer(block: RootPageNode.() -> RootPageNode) = PageTransformer { input -> block(input) }
 
 fun PageNode.invokeOnAll(block: PageNode.() -> Unit): PageNode =
     this.also(block).also { it.children.forEach { it.invokeOnAll(block) } }
diff --git a/core/src/main/kotlin/transformers/sources/SourceToDocumentableTranslator.kt b/core/src/main/kotlin/transformers/sources/SourceToDocumentableTranslator.kt
index 2252dde3..2f0ea031 100644
--- a/core/src/main/kotlin/transformers/sources/SourceToDocumentableTranslator.kt
+++ b/core/src/main/kotlin/transformers/sources/SourceToDocumentableTranslator.kt
@@ -4,6 +4,6 @@ import org.jetbrains.dokka.DokkaConfiguration.DokkaSourceSet
 import org.jetbrains.dokka.model.DModule
 import org.jetbrains.dokka.plugability.DokkaContext
 
-interface SourceToDocumentableTranslator {
+fun interface SourceToDocumentableTranslator {
     fun invoke(sourceSet: DokkaSourceSet, context: DokkaContext): DModule
 }