Fix memory leak

build.gradle

@@ -1,5 +1,5 @@
 group 'nl.astraeus'
-version '0.1.2-SNAPSHOT'
+version '0.1.3-SNAPSHOT'
 
 apply plugin: 'kotlin2js'
 apply plugin: 'kotlin-dce-js'

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.5-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10-all.zip

komp.iml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<module external.linked.project.id="komp" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" external.system.module.group="nl.astraeus" external.system.module.version="0.1.0-SNAPSHOT" type="JAVA_MODULE" version="4">
+<module external.linked.project.id="komp" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" external.system.module.group="nl.astraeus" external.system.module.version="0.1.2" type="JAVA_MODULE" version="4">
   <component name="FacetManager">
     <facet type="kotlin-language" name="Kotlin">
       <configuration version="3" platform="JavaScript " useProjectSettings="false">
@@ -8,7 +8,8 @@
         <compilerArguments>
           <option name="outputFile" value="$MODULE_DIR$/build/classes/kotlin/main/komp.js" />
           <option name="noStdlib" value="true" />
-          <option name="sourceMapEmbedSources" value="inlining" />
+          <option name="sourceMap" value="true" />
+          <option name="sourceMapEmbedSources" value="always" />
           <option name="metaInfo" value="true" />
           <option name="target" value="v5" />
           <option name="main" value="call" />
@@ -20,6 +21,10 @@
           <option name="pluginClasspaths">
             <array />
           </option>
+          <option name="coroutinesState" value="warn" />
+          <option name="errors">
+            <ArgumentParseErrors />
+          </option>
         </compilerArguments>
       </configuration>
     </facet>
@@ -29,14 +34,14 @@
     <output-test url="file://$MODULE_DIR$/out/test/classes" />
     <exclude-output />
     <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/src/main/kotlin" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/kotlin" type="kotlin-source" />
-      <sourceFolder url="file://$MODULE_DIR$/src/test/kotlin" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/kotlin" type="kotlin-test" />
-      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="kotlin-resource" />
       <excludeFolder url="file://$MODULE_DIR$/.gradle" />
       <excludeFolder url="file://$MODULE_DIR$/build" />
       <excludeFolder url="file://$MODULE_DIR$/out" />
     </content>
-    <orderEntry type="jdk" jdkName="1.8" jdkType="JavaSDK" />
+    <orderEntry type="jdk" jdkName="Kotlin SDK" jdkType="KotlinSDK" />
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" name="Gradle: org.jetbrains.kotlinx:kotlinx-html-js:0.6.4" level="project" />
     <orderEntry type="library" name="Gradle: org.jetbrains.kotlin:kotlin-stdlib-js:1.2.51" level="project" />

komp.ipr

@@ -65,14 +65,13 @@
     </profile>
     <version value="1.0" />
   </component>
-  <component name="Kotlin2JsCompilerArguments">
+  <component name="MacroExpansionManager">
-    <option name="sourceMapEmbedSources" />
+    <option name="directoryName" value="qFcQOWli" />
-    <option name="sourceMapPrefix" />
   </component>
   <component name="PhpWorkspaceProjectConfiguration" backward_compatibility_performed="true" />
   <component name="ProjectModuleManager">
     <modules>
-      <module fileurl="file://$PROJECT_DIR$/komp.iml" filepath="$PROJECT_DIR$/komp.iml" />
+      <module fileurl="file://$PROJECT_DIR$/komp.iml" filepath="$PROJECT_DIR$/komp.iml" group="komp" />
     </modules>
   </component>
   <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">

src/main/kotlin/nl/astraeus/komp/Komponent.kt

@@ -84,9 +84,7 @@ abstract class Komponent {
 
       parent.replaceChild(newElement, oldElement)
 
-      elements[oldElement]?.also {
+      elements.remove(oldElement)
-        elements.remove(oldElement)
-      }
 
       newKomponent.komponent?.also {
         it.kompElement = newKomponent
@@ -183,10 +181,10 @@ abstract class Komponent {
             it.kompElement = newElement
             it.element = replacedElement
 
-            elements.remove(element)
             elements[replacedElement] = it
           }
 
+          elements.remove(element)
           it.rendered = true
         }
       }