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Detects dynamic osu page changes
此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.greasyfork.icu/scripts/441010/1025088/OsuPageObserver.js
class OsuWebObserver {
constructor(staticFn, dynamicFn) {
this.static = staticFn;
this.dynamic = dynamicFn;
this.static();
const pageType = this.getType();
if (pageType === "dynamic") {
const firstLoad = new MutationObserver(() => {
this.dynamic();
firstLoad.disconnect();
});
const layout = document.querySelector(".osu-layout__section")?.firstElementChild;
if (layout != null) {
firstLoad.observe(layout, {childList: true});
}
}
this.pageObserver = new MutationObserver(this.detectPageChange);
this.pageObserver.observe(document.documentElement, {childList: true});
}
detectPageChange = (mutations) => {
for (const mutation of mutations) {
if (mutation.addedNodes.length > 0) {
mutation.addedNodes.forEach(node => {
if (node.nodeName == "BODY") {
this.static();
this.dynamic();
return;
}
});
}
}
}
getType = () => {
const type = location.pathname.split("/")[1];
const dynamic = ["users", "beatmapsets", "scores"];
if (dynamic.includes(type)) {
return "dynamic";
}
return "static";
}
destroy = () => {
this.pageObserver.disconnect();
}
}