🐛 fix(vscode): 代码阅读按 ⌘↓ 跳高亮不再来回闪，筛选栏加上上一处、下一处

vscode/webview-ui/src/codeReader/useReveal.ts

@@ -1,3 +1,4 @@
+import type { ScrollPosition } from './occurrences'
 import type { DocumentMessage, Reveal } from './types'
 import { useLayoutEffect } from 'react'
 import { blockPath } from './filter'
@@ -24,12 +25,16 @@ export function flash(el: HTMLElement): void {
 }
 
 /** 把 el 滚进钉住的筛选栏下面的视口，规则见 scrollTopToShow：已经整个看得见就不滚。 */
-export function showInViewport(el: HTMLElement): void {
+/** 把 el 滚进钉住的筛选栏下面的视口，规则见 scrollTopToShow：已经整个看得见就不滚。beforeScroll 在真正滚动前拿到将要落到的位置。 */
+export function showInViewport(el: HTMLElement, beforeScroll?: (position: ScrollPosition) => void): void {
   const rect = el.getBoundingClientRect()
   const pinned = pinnedHeight()
   const top = scrollTopToShow({ top: rect.top + window.scrollY, bottom: rect.bottom + window.scrollY }, window.scrollY + pinned, window.innerHeight - pinned)
-  if (top !== undefined)
-    window.scrollTo(0, top - pinned)
+  if (top === undefined)
+    return
+  const position = { x: 0, y: top - pinned }
+  beforeScroll?.(position)
+  window.scrollTo(position.x, position.y)
 }
 
 /**