web/notify.moe
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This commit is contained in:
Eduard Urbach
2017-06-26 03:57:29 +02:00
parent 44a26c62a2
commit a4efc2b313
6 changed files with 96 additions and 32 deletions
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34
scripts/Diff.ts
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@ -1,18 +1,18 @@
export class Diff {
static childNodes(aRoot: HTMLElement, bRoot: HTMLElement) {
static childNodes(aRoot: Node, bRoot: Node) {
let aChild = [...aRoot.childNodes]
let bChild = [...bRoot.childNodes]
let numNodes = Math.max(aChild.length, bChild.length)
for(let i = 0; i < numNodes; i++) {
let a = aChild[i] as HTMLElement
let a = aChild[i]
if(i >= bChild.length) {
aRoot.removeChild(a)
continue
}
let b = bChild[i] as HTMLElement
let b = bChild[i]
if(i >= aChild.length) {
aRoot.appendChild(b)
@ -24,38 +24,46 @@ export class Diff {
continue
}
if(a.nodeType === Node.TEXT_NODE) {
a.textContent = b.textContent
continue
}
if(a.nodeType === Node.ELEMENT_NODE) {
if(a.tagName === "IFRAME") {
let elemA = a as HTMLElement
let elemB = b as HTMLElement
if(elemA.tagName === "IFRAME") {
continue
}
let removeAttributes: Attr[] = []
for(let x = 0; x < a.attributes.length; x++) {
let attrib = a.attributes[x]
for(let x = 0; x < elemA.attributes.length; x++) {
let attrib = elemA.attributes[x]
if(attrib.specified) {
if(!b.hasAttribute(attrib.name)) {
if(!elemB.hasAttribute(attrib.name)) {
removeAttributes.push(attrib)
}
}
}
for(let attr of removeAttributes) {
a.removeAttributeNode(attr)
elemA.removeAttributeNode(attr)
}
for(let x = 0; x < b.attributes.length; x++) {
let attrib = b.attributes[x]
for(let x = 0; x < elemB.attributes.length; x++) {
let attrib = elemB.attributes[x]
if(attrib.specified) {
a.setAttribute(attrib.name, b.getAttribute(attrib.name))
elemA.setAttribute(attrib.name, elemB.getAttribute(attrib.name))
}
}
// Special case: Apply state of input elements
if(a !== document.activeElement && a instanceof HTMLInputElement && b instanceof HTMLInputElement) {
a.value = b.value
if(elemA !== document.activeElement && elemA instanceof HTMLInputElement && elemB instanceof HTMLInputElement) {
elemA.value = elemB.value
}
}