perf(side): 如果 sidebar 为空，隐藏 sidebar

volantis-x · Sep 4, 2022 · a264a8c · a264a8c
1 parent 1072c2e
commit a264a8c
Showing 1 changed file with 11 additions and 2 deletions.
diff --git a/source/js/app.js b/source/js/app.js
@@ -29,10 +29,10 @@ const locationHash = () => {
  if (target) {
  setTimeout(() => {
  if (window.location.hash.startsWith('#fn')) { // hexo-reference https://github.com/volantis-x/hexo-theme-volantis/issues/647
- volantis.scroll.to(target, { addTop: - volantis.dom.header.offsetHeight - 5, behavior: 'instant', observer:true })
+ volantis.scroll.to(target, { addTop: - volantis.dom.header.offsetHeight - 5, behavior: 'instant', observer: true })
  } else {
  // 锚点中上半部有大片空白 高度大概是 volantis.dom.header.offsetHeight
- volantis.scroll.to(target, { addTop: 5, behavior: 'instant', observer:true })
+ volantis.scroll.to(target, { addTop: 5, behavior: 'instant', observer: true })
  }
  }, 1000)
  }
@@ -71,6 +71,15 @@ const VolantisApp = (() => {
  fn.scrolltoElement(volantis.dom.bodyAnchor);
  });
 
+ // 如果 sidebar 为空，隐藏 sidebar。
+ const sidebar = document.querySelector("#l_side")
+ if (sidebar) {
+ const sectionList = sidebar.querySelectorAll("section")
+ if (!sectionList.length) {
+ document.querySelector("#l_main").classList.add("no_sidebar")
+ }
+ }
+
  // 站点信息 最后活动日期
  if (volantis.GLOBAL_CONFIG.sidebar.for_page.includes('webinfo') || volantis.GLOBAL_CONFIG.sidebar.for_post.includes('webinfo')) {
  const lastupd = volantis.GLOBAL_CONFIG.sidebar.webinfo.lastupd;