rnentjes/kotlin-komponent
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Better diff option

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This commit is contained in:
rnentjes
2020-05-06 19:56:26 +02:00
parent 70723920b3
commit 419c32a198
3 changed files with 104 additions and 52 deletions
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17
src/jsMain/kotlin/nl/astraeus/komp/HtmlBuilder.kt
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@@ -16,10 +16,10 @@ private inline fun HTMLElement.setEvent(name: String, noinline callback: (Event)
addEventListener(eventName, callback, null)
if (Komponent.updateStrategy == UpdateStrategy.DOM_DIFF) {
//asDynamic()[name] = callback
val events = getAttribute("data-komp-events") ?: ""
val events = getAttribute(EVENT_ATTRIBUTE) ?: ""
setAttribute(
"data-komp-events",
EVENT_ATTRIBUTE,
if (events.isBlank()) {
eventName
} else {
@@ -85,7 +85,7 @@ class HtmlBuilder(
}
override fun onTagEnd(tag: Tag) {
var hash: UInt = 0.toUInt()
var hash = 0
if (path.isEmpty() || path.last().tagName.toLowerCase() != tag.tagName.toLowerCase()) {
throw IllegalStateException("We haven't entered tag ${tag.tagName} but trying to leave")
}
@@ -96,17 +96,17 @@ class HtmlBuilder(
for (index in 0 until element.childNodes.length) {
val child = element.childNodes[index]
if (child is HTMLElement) {
hash = hash * 37.toUInt() + (child.getAttribute(DiffPatch.HASH_ATTRIBUTE)?.toUInt(16) ?: 0.toUInt())
hash = hash * 37 + child.getKompHash()
} else {
hash = hash * 37.toUInt() + (child?.textContent?.hashCode()?.toUInt() ?: 0.toUInt())
hash = hash * 37 + (child?.textContent?.hashCode() ?: 0)
}
}
}
tag.attributesEntries.forEach {
val key_value = "${it.key}-${it.value}"
if (Komponent.updateStrategy == UpdateStrategy.DOM_DIFF) {
hash = hash * 37.toUInt() + key_value.hashCode().toUInt()
val key_value = "${it.key}-${it.value}"
hash = hash * 37 + key_value.hashCode()
}
if (it.key == "class") {
val classes = it.value.split(Regex("\\s+"))
@@ -150,7 +150,8 @@ class HtmlBuilder(
}
if (Komponent.updateStrategy == UpdateStrategy.DOM_DIFF) {
element.setAttribute(DiffPatch.HASH_ATTRIBUTE, hash.toString(16))
element.setKompHash(hash)
//element.setAttribute(DiffPatch.HASH_ATTRIBUTE, hash.toString(16))
}
lastLeaved = path.removeAt(path.lastIndex)
}