Remove replace option

build.gradle.kts

@@ -5,7 +5,7 @@ plugins {
 }
 
 group = "nl.astraeus"
-version = "0.2.6-SNAPSHOT"
+version = "0.3.0-SNAPSHOT"
 
 repositories {
     mavenCentral()

src/jsMain/kotlin/nl/astraeus/komp/HtmlBuilder.kt

@@ -3,7 +3,6 @@ package nl.astraeus.komp
 import kotlinx.browser.document
 import kotlinx.html.*
 import org.w3c.dom.*
-import org.w3c.dom.css.CSSStyleDeclaration
 import org.w3c.dom.events.Event
 
 @Suppress("NOTHING_TO_INLINE")
@@ -15,14 +14,11 @@ inline fun HTMLElement.setKompEvent(name: String, noinline callback: (Event) ->
   }
   addEventListener(eventName, callback, null)
 
-  if (Komponent.updateStrategy == UpdateStrategy.DOM_DIFF) {
-    //asDynamic()[name] = callback
-    val events: MutableList<String> = (asDynamic()[EVENT_PROPERTY] as? MutableList<String>) ?: mutableListOf()
+  val events: MutableList<String> = (asDynamic()[EVENT_PROPERTY] as? MutableList<String>) ?: mutableListOf()
 
-    events.add(eventName)
-    asDynamic()[EVENT_PROPERTY] = events
-    asDynamic()["event-$eventName"] = callback
-  }
+  events.add(eventName)
+  asDynamic()[EVENT_PROPERTY] = events
+  asDynamic()["event-$eventName"] = callback
 }
 
 @Suppress("NOTHING_TO_INLINE")
@@ -35,41 +31,16 @@ inline fun HTMLElement.removeKompEvent(name: String) {
 
   removeEventListener(eventName, asDynamic()["event-$eventName"] as ((Event) -> Unit), null)
 
-  if (Komponent.updateStrategy == UpdateStrategy.DOM_DIFF) {
-    //asDynamic()[name] = callback
-    val events: MutableList<String> = (asDynamic()[EVENT_PROPERTY] as? MutableList<String>) ?: mutableListOf()
+  val events: MutableList<String> = (asDynamic()[EVENT_PROPERTY] as? MutableList<String>) ?: mutableListOf()
 
-    events.remove(eventName)
-    asDynamic()["event-$eventName"] = null
-  }
-}
-
-fun HTMLElement.clearEvents() {
-  if (Komponent.updateStrategy == UpdateStrategy.DOM_DIFF) {
-    //asDynamic()[name] = callback
-    val events = getAttribute(EVENT_PROPERTY) ?: ""
-
-    for (eventName in events.split(",")) {
-      if (eventName.isNotBlank()) {
-        val event: (Event) -> Unit = asDynamic()["event-$eventName"]
-        removeEventListener(eventName, event)
-      }
-    }
-  }
+  events.remove(eventName)
+  asDynamic()["event-$eventName"] = null
 }
 
 interface HtmlConsumer : TagConsumer<HTMLElement> {
   fun append(node: Node)
 }
 
-fun HTMLElement.setStyles(cssStyle: CSSStyleDeclaration) {
-  for (index in 0 until cssStyle.length) {
-    val propertyName = cssStyle.item(index)
-
-    style.setProperty(propertyName, cssStyle.getPropertyValue(propertyName))
-  }
-}
-
 class HtmlBuilder(
   val komponent: Komponent,
   val document: Document,
@@ -121,80 +92,23 @@ class HtmlBuilder(
 
     val element = path.last()
 
-    if (Komponent.updateStrategy == UpdateStrategy.DOM_DIFF) {
-      for (index in 0 until element.childNodes.length) {
-        val child = element.childNodes[index]
-        if (child is HTMLElement) {
-          hash = hash * 37 + child.getKompHash()
-        } else {
-          hash = hash * 37 + (child?.textContent?.hashCode() ?: 0)
-        }
+    for (index in 0 until element.childNodes.length) {
+      val child = element.childNodes[index]
+      if (child is HTMLElement) {
+        hash = hash * 37 + child.getKompHash()
+      } else {
+        hash = hash * 37 + (child?.textContent?.hashCode() ?: 0)
       }
     }
 
     for ((key, value) in tag.attributesEntries) {
-      if (key == "class") {
-        val classes = value.split(Regex("\\s+"))
-        val classNames = StringBuilder()
+      element.setAttribute(key, value)
 
-        for (cls in classes) {
-          val cssStyle = komponent.declaredStyles[cls]
-
-          if (cssStyle != null) {
-            if (Komponent.updateStrategy == UpdateStrategy.DOM_DIFF) {
-              hash = hash * 37 + cssStyle.hashCode()
-            }
-
-            if (cls.endsWith(":hover")) {
-              val oldOnMouseOver = element.onmouseover
-              val oldOnMouseOut = element.onmouseout
-
-              element.onmouseover = {
-                element.setStyles(cssStyle)
-
-                oldOnMouseOver?.invoke(it)
-              }
-              element.onmouseout = {
-                cls.split(':').firstOrNull()?.let {
-                  komponent.declaredStyles[it]?.let { cssStyle ->
-                    element.setStyles(cssStyle)
-                  }
-                }
-
-                oldOnMouseOut?.invoke(it)
-              }
-            } else {
-              element.setStyles(cssStyle)
-            }
-          } else {
-            if (Komponent.updateStrategy == UpdateStrategy.DOM_DIFF) {
-              hash = hash * 37 + cls.hashCode()
-            }
-
-            classNames.append(cls)
-            classNames.append(" ")
-          }
-        }
-
-        element.className = classNames.toString()
-
-        if (Komponent.updateStrategy == UpdateStrategy.DOM_DIFF) {
-          val key_value = "${key}-${classNames}"
-          hash = hash * 37 + key_value.hashCode()
-        }
-      } else {
-        element.setAttribute(key, value)
-
-        if (Komponent.updateStrategy == UpdateStrategy.DOM_DIFF) {
-          val key_value = "${key}-${value}"
-          hash = hash * 37 + key_value.hashCode()
-        }
-      }
+      val key_value = "${key}-${value}"
+      hash = hash * 37 + key_value.hashCode()
     }
 
-    if (Komponent.updateStrategy == UpdateStrategy.DOM_DIFF) {
-      element.setKompHash(baseHash * 53 + hash)
-    }
+    element.setKompHash(baseHash * 53 + hash)
     lastLeaved = path.removeAt(path.lastIndex)
   }
 

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

@@ -34,19 +34,7 @@ class StateDelegate<T>(
 inline fun <reified T> Komponent.state(initialValue: T): StateDelegate<T> = StateDelegate(this, initialValue)
 
 fun HtmlConsumer.include(component: Komponent) {
-  if (Komponent.updateStrategy == UpdateStrategy.REPLACE) {
-    if (component.element != null) {
-      component.update()
-    } else {
-      component.refresh()
-    }
-
-    component.element?.also {
-      append(it)
-    }
-  } else {
-    append(component.create())
-  }
+  append(component.create())
 }
 
 class DummyKomponent: Komponent() {
@@ -57,11 +45,6 @@ class DummyKomponent: Komponent() {
   }
 }
 
-enum class UpdateStrategy {
-  REPLACE,
-  DOM_DIFF
-}
-
 abstract class Komponent {
   private var createIndex = getNextCreateIndex()
   private var dirty: Boolean = true
@@ -121,39 +104,15 @@ abstract class Komponent {
     val newElement = create()
 
     if (oldElement != null) {
-      element = if (updateStrategy == UpdateStrategy.REPLACE) {
-        if (logReplaceEvent) {
-          console.log("Replacing", oldElement, newElement)
-        }
-        oldElement.parentNode?.replaceChild(newElement, oldElement)
-        newElement
-      } else {
-        if (logReplaceEvent) {
-          console.log("DomDiffing", oldElement, newElement)
-        }
-        DiffPatch.updateNode(oldElement, newElement)
+      if (logReplaceEvent) {
+        console.log("DomDiffing", oldElement, newElement)
       }
+      element = DiffPatch.updateNode(oldElement, newElement)
     }
 
     dirty = false
   }
 
-  @JsName("remove")
-  fun remove() {
-    check(updateStrategy == UpdateStrategy.REPLACE) {
-      "remote only works with UpdateStrategy.REPLACE"
-    }
-    element?.let {
-      val parent = it.parentElement ?: throw IllegalArgumentException("Element has no parent!?")
-
-      if (logReplaceEvent) {
-        console.log("Remove", it)
-      }
-
-      parent.removeChild(it)
-    }
-  }
-
   companion object {
     private var nextCreateIndex: Int = 1
     private var updateCallback: Int? = null
@@ -161,7 +120,6 @@ abstract class Komponent {
 
     var logRenderEvent = false
     var logReplaceEvent = false
-    var updateStrategy = UpdateStrategy.DOM_DIFF
 
     fun create(parent: HTMLElement, component: Komponent, insertAsFirst: Boolean = false) {
       val element = component.create()