fix: bilibili reload (#603)

src/utils/index.mjs

@@ -18,3 +18,4 @@ export * from './parse-int-with-clamp'
 export * from './set-element-position-in-viewport'
 export * from './eventsource-parser.mjs'
 export * from './update-ref-height'
+export * from './wait-for-element-to-exist-and-select.mjs'

src/utils/wait-for-element-to-exist-and-select.mjs

@@ -0,0 +1,19 @@
+export function waitForElementToExistAndSelect(selector) {
+  return new Promise((resolve) => {
+    if (document.querySelector(selector)) {
+      return resolve(document.querySelector(selector))
+    }
+
+    const observer = new MutationObserver(() => {
+      if (document.querySelector(selector)) {
+        resolve(document.querySelector(selector))
+        observer.disconnect()
+      }
+    })
+
+    observer.observe(document.body, {
+      subtree: true,
+      childList: true,
+    })
+  })
+}