Common code initial

- Fix attr vs property checkbox update

.gitignore

@@ -8,3 +8,4 @@ local.properties
 *.ipr
 *.iws
 kotlin-js-store
+.idea

build.gradle.kts

@@ -1,12 +1,12 @@
 plugins {
-  kotlin("multiplatform") version "1.6.10"
+  kotlin("multiplatform") version "1.7.20"
   `maven-publish`
   signing
   id("org.jetbrains.dokka") version "1.5.31"
 }
 
 group = "nl.astraeus"
-version = "1.0.3"
+version = "1.0.8-SNAPSHOT"
 
 repositories {
   mavenCentral()

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 #Wed Mar 04 13:29:12 CET 2020
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.5.1-all.zip
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists

src/commonMain/kotlin/nl/astraeus/komp/HtmlBuilderCommon.kt

@@ -0,0 +1 @@
+package nl.astraeus.komp

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

@@ -40,6 +40,14 @@ fun Element.printTree(indent: Int = 0): String {
   }
   result.append(") {")
   result.append("\n")
+  for ((name, event) in getKompEvents()) {
+    result.append(indent.asSpaces())
+    result.append("on")
+    result.append(name)
+    result.append(" -> ")
+    result.append(event)
+    result.append("\n")
+  }
   for (index in 0 until childNodes.length) {
     childNodes[index]?.let {
       if (it is Element) {
@@ -57,39 +65,61 @@ fun Element.printTree(indent: Int = 0): String {
   return result.toString()
 }
 
-internal fun Element.setKompAttribute(name: String, value: String?) {
-//  val setAttrs: MutableSet<String> = getKompAttributes()
-//  setAttrs.add(name)
-  //getNewAttributes().add(name)
-
+internal fun Element.setKompAttribute(attributeName: String, value: String?) {
+  //val attributeName = name.lowercase()
   if (value == null || value.isBlank()) {
     if (this is HTMLInputElement) {
-      checked = false
+      when (attributeName) {
+        "checked" -> {
+          checked = false
+        }
+/*
+        "class" -> {
+          className = ""
+        }
+*/
+        "value" -> {
+          this.value = ""
+        }
+        else -> {
+          removeAttribute(attributeName)
+        }
+      }
     } else {
-      removeAttribute(name)
+      removeAttribute(attributeName)
     }
   } else {
     if (this is HTMLInputElement) {
-      when (name) {
+      when (attributeName) {
         "checked" -> {
           checked = "checked" == value
         }
+/*
         "class" -> {
           className = value
         }
+*/
         "value" -> {
           this.value = value
         }
         else -> {
-          setAttribute(name, value)
+          setAttribute(attributeName, value)
         }
       }
-    } else if (this.getAttribute(name) != value) {
-      setAttribute(name, value)
+    } else if (this.getAttribute(attributeName) != value) {
+      setAttribute(attributeName, value)
     }
   }
 }
 
+internal fun Element.clearKompEvents() {
+  val events = getKompEvents()
+  for ((name, event) in getKompEvents()) {
+    removeEventListener(name, event)
+  }
+  events.clear()
+}
+
 internal fun Element.setKompEvent(name: String, event: (Event) -> Unit) {
   val eventName: String = if (name.startsWith("on")) {
     name.substring(2)
@@ -97,9 +127,22 @@ internal fun Element.setKompEvent(name: String, event: (Event) -> Unit) {
     name
   }
 
+  getKompEvents()[eventName] = event
+
   this.addEventListener(eventName, event)
 }
 
+internal fun Element.getKompEvents(): MutableMap<String, (Event) -> Unit> {
+  var result: MutableMap<String, (Event) -> Unit>? = this.asDynamic()["komp-events"] as MutableMap<String, (Event) -> Unit>?
+
+  if (result == null) {
+    result = mutableMapOf()
+    this.asDynamic()["komp-events"] = result
+  }
+
+  return result
+}
+
 internal fun Element.findElementIndex(): Int {
   val childNodes = parentElement?.children
   if (childNodes != null) {

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

@@ -9,6 +9,7 @@ import kotlinx.html.TagConsumer
 import kotlinx.html.Unsafe
 import org.w3c.dom.Element
 import org.w3c.dom.HTMLElement
+import org.w3c.dom.HTMLInputElement
 import org.w3c.dom.HTMLSpanElement
 import org.w3c.dom.Node
 import org.w3c.dom.asList
@@ -28,7 +29,8 @@ fun FlowOrMetaDataOrPhrasingContent.currentElement(): Element =
 
 private data class ElementIndex(
   val parent: Node,
-  var childIndex: Int
+  var childIndex: Int,
+  var setAttr: MutableSet<String> = mutableSetOf()
 )
 
 private fun ArrayList<ElementIndex>.currentParent(): Node {
@@ -47,8 +49,17 @@ private fun ArrayList<ElementIndex>.currentElement(): Node? {
   return null
 }
 
+private fun ArrayList<ElementIndex>.currentPosition(): ElementIndex? {
+  return if (this.size < 2) {
+    null
+  } else {
+    this[this.size - 2]
+  }
+}
+
 private fun ArrayList<ElementIndex>.nextElement() {
   this.lastOrNull()?.let {
+    it.setAttr.clear()
     it.childIndex++
   }
 }
@@ -63,7 +74,10 @@ private fun ArrayList<ElementIndex>.push(element: Node) {
 
 private fun ArrayList<ElementIndex>.replace(new: Node) {
   if (this.currentElement() != null) {
-    this.currentElement()?.parentElement?.replaceChild(new, this.currentElement()!!)
+    this.currentElement()?.parentElement?.replaceChild(
+      new,
+      this.currentElement()!!
+    )
   } else {
     this.last().parent.appendChild(new)
   }
@@ -72,14 +86,14 @@ private fun ArrayList<ElementIndex>.replace(new: Node) {
 private fun Node.asElement() = this as? HTMLElement
 
 class HtmlBuilder(
-  val komponent: Komponent?,
+  private val komponent: Komponent?,
   parent: Element,
-  childIndex: Int = 0,
+  childIndex: Int = 0
 ) : HtmlConsumer {
   private var currentPosition = arrayListOf<ElementIndex>()
   private var inDebug = false
   private var exceptionThrown = false
-  var currentNode: Node? = null
+  private var currentNode: Node? = null
   var root: Element? = null
 
   init {
@@ -93,7 +107,9 @@ class HtmlBuilder(
     ) {
       currentPosition.replace(komponent.element!!)
       if (Komponent.logRenderEvent) {
-        console.log("Skipped include $komponent, memoize hasn't changed")
+        console.log(
+          "Skipped include $komponent, memoize hasn't changed"
+        )
       }
     } else {
       komponent.create(
@@ -122,18 +138,21 @@ class HtmlBuilder(
     }
   }
 
-  private fun logReplace(msg: String) {
+  private fun logReplace(msg: () -> String) {
     if (Komponent.logReplaceEvent && inDebug) {
-      console.log(msg)
+      console.log(msg.invoke())
     }
   }
 
   override fun onTagStart(tag: Tag) {
-    logReplace("onTagStart, [${tag.tagName}, ${tag.namespace}], currentPosition: $currentPosition")
+    logReplace {
+      "onTagStart, [${tag.tagName}, ${tag.namespace}], currentPosition: $currentPosition"
+    }
+
     currentNode = currentPosition.currentElement()
 
     if (currentNode == null) {
-      logReplace("onTagStart, currentNode1: $currentNode")
+      logReplace { "onTagStart, currentNode1: $currentNode" }
       currentNode = if (tag.namespace != null) {
         document.createElementNS(tag.namespace, tag.tagName)
       } else {
@@ -142,9 +161,19 @@ class HtmlBuilder(
 
       //logReplace"onTagStart, currentElement1.1: $currentNode")
       currentPosition.currentParent().appendChild(currentNode!!)
-    } else {
-      logReplace("onTagStart, currentElement, namespace: ${currentNode?.asElement()?.namespaceURI} -> ${tag.namespace}")
-      logReplace("onTagStart, currentElement, replace: ${currentNode?.asElement()?.tagName} -> ${tag.tagName}")
+    } else if (
+      !currentNode?.asElement()?.tagName.equals(tag.tagName, true) ||
+      (
+          tag.namespace != null &&
+              !currentNode?.asElement()?.namespaceURI.equals(tag.namespace, true)
+          )
+    ) {
+      logReplace {
+        "onTagStart, currentElement, namespace: ${currentNode?.asElement()?.namespaceURI} -> ${tag.namespace}"
+      }
+      logReplace {
+        "onTagStart, currentElement, replace: ${currentNode?.asElement()?.tagName} -> ${tag.tagName}"
+      }
 
       currentNode = if (tag.namespace != null) {
         document.createElementNS(tag.namespace, tag.tagName)
@@ -163,15 +192,15 @@ class HtmlBuilder(
         root = currentNode as Element
       }
 
+      currentElement?.clearKompEvents()
+      (currentElement as? HTMLInputElement)?.checked = false
+
+      currentPosition.lastOrNull()?.setAttr?.clear()
+
+      // if currentElement = checkbox make sure it's cleared
       for (entry in tag.attributesEntries) {
-        val attributeName = entry.key.lowercase()
-        currentElement!!.setKompAttribute(attributeName, entry.value)
-      }
-
-      if (tag.namespace != null) {
-        //logReplace"onTagStart, same node type")
-
-        (currentNode as? Element)?.innerHTML = ""
+        currentElement!!.setKompAttribute(entry.key, entry.value)
+        currentPosition.lastOrNull()?.setAttr?.add(entry.key)
       }
     }
 
@@ -189,26 +218,37 @@ class HtmlBuilder(
     }
   }
 
-  override fun onTagAttributeChange(tag: Tag, attribute: String, value: String?) {
-    logReplace("onTagAttributeChange, ${tag.tagName} [$attribute, $value]")
+  override fun onTagAttributeChange(
+    tag: Tag,
+    attribute: String,
+    value: String?
+  ) {
+    logReplace { "onTagAttributeChange, ${tag.tagName} [$attribute, $value]" }
 
     if (Komponent.enableAssertions) {
       checkTag(tag)
     }
 
-    val attributeName = attribute.lowercase()
-
-    currentElement?.setKompAttribute(attributeName, value)
+    currentElement?.setKompAttribute(attribute, value)
+    if (value == null || value.isEmpty()) {
+      currentPosition.currentPosition()?.setAttr?.remove(attribute)
+    } else {
+      currentPosition.currentPosition()?.setAttr?.add(attribute)
+    }
   }
 
-  override fun onTagEvent(tag: Tag, event: String, value: (Event) -> Unit) {
-    logReplace("onTagEvent, ${tag.tagName} [$event, $value]")
+  override fun onTagEvent(
+    tag: Tag,
+    event: String,
+    value: (Event) -> Unit
+  ) {
+    logReplace { "onTagEvent, ${tag.tagName} [$event, $value]" }
 
     if (Komponent.enableAssertions) {
       checkTag(tag)
     }
 
-    currentElement?.setKompEvent(event.lowercase(), value)
+    currentElement?.setKompEvent(event.toLowerCase(), value)
   }
 
   override fun onTagEnd(tag: Tag) {
@@ -226,8 +266,33 @@ class HtmlBuilder(
       checkTag(tag)
     }
 
+    if (currentElement != null) {
+      val setAttrs: Set<String> = currentPosition.currentPosition()?.setAttr ?: setOf()
+
+      // remove attributes that where not set
+      val element = currentElement
+      if (element?.hasAttributes() == true) {
+        for (index in 0 until element.attributes.length) {
+          val attribute = element.attributes[index]
+          if (attribute?.name != null) {
+            val attr = attribute.name
+
+            if (
+              !setAttrs.contains(attr) &&
+              attr != "style"
+            ) {
+              element.setKompAttribute(attr, null)
+            }
+          }
+        }
+      }
+    }
+
     currentPosition.pop()
 
+    currentNode = currentPosition.currentElement()
+    currentElement = currentNode as? Element ?: currentElement
+
     currentPosition.nextElement()
 
     currentElement = currentElement?.parentElement as? HTMLElement
@@ -301,7 +366,10 @@ class HtmlBuilder(
       //logReplace"onTagContentUnsafe, namespace: [$namespace]")
 
       if (Komponent.unsafeMode == UnsafeMode.UNSAFE_ALLOWED ||
-        (Komponent.unsafeMode == UnsafeMode.UNSAFE_SVG_ONLY && namespace == "http://www.w3.org/2000/svg")
+            (
+              Komponent.unsafeMode == UnsafeMode.UNSAFE_SVG_ONLY &&
+              namespace == "http://www.w3.org/2000/svg"
+            )
       ) {
         if (currentElement?.innerHTML != textContent) {
           currentElement?.innerHTML += textContent
@@ -333,7 +401,7 @@ class HtmlBuilder(
     if (exception !is KomponentException) {
       val position = mutableListOf<Element>()
       var ce = currentElement
-      while(ce != null) {
+      while (ce != null) {
         position.add(ce)
         ce = ce.parentElement
       }
@@ -351,6 +419,7 @@ class HtmlBuilder(
         }
         builder.append(" ")
       }
+
       throw KomponentException(
         komponent,
         currentElement,
@@ -366,13 +435,15 @@ class HtmlBuilder(
 
   override fun finalize(): Element {
     //logReplace"finalize, currentPosition: $currentPosition")
-    return root ?: throw IllegalStateException("We can't finalize as there was no tags")
+    return root ?: throw IllegalStateException(
+      "We can't finalize as there was no tags"
+    )
   }
 
   companion object {
     fun create(content: HtmlBuilder.() -> Unit): Element {
       val container = document.createElement("div") as HTMLElement
-      val consumer = HtmlBuilder(null, container, 0)
+      val consumer = HtmlBuilder(null, container)
       content.invoke(consumer)
       return consumer.root ?: error("No root element found after render!")
     }

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

@@ -7,6 +7,7 @@ import org.w3c.dom.HTMLElement
 import org.w3c.dom.get
 
 private var currentKomponent: Komponent? = null
+
 fun FlowOrMetaDataOrPhrasingContent.currentKomponent(): Komponent =
   currentKomponent ?: error("No current komponent defined! Only call from render code!")
 
@@ -137,7 +138,6 @@ abstract class Komponent {
       }
     }
     val builder = HtmlBuilder(this, parent, childIndex)
-    builder.root = null
 
     try {
       currentKomponent = this

src/jsTest/kotlin/nl/astraeus/komp/TestUpdate.kt

@@ -2,6 +2,7 @@ package nl.astraeus.komp
 
 import kotlinx.browser.document
 import kotlinx.html.InputType
+import kotlinx.html.classes
 import kotlinx.html.div
 import kotlinx.html.i
 import kotlinx.html.id
@@ -37,6 +38,7 @@ class Child1 : Komponent() {
 class Child2 : Komponent() {
   override fun HtmlBuilder.render() {
     div {
+      id ="1234"
       +"Child 2"
     }
   }
@@ -209,7 +211,8 @@ class TestUpdate {
   fun testCreate() {
     var elemTest: Element? = null
     val element = HtmlBuilder.create {
-      div("div_class") {
+      div(classes = "div_class") {
+        classes = classes + "bla'"
         id = "123"
         +"Test"