Fix sticky sidebar

QingWei-Li · QingWei-Li · commit f997280ab1e3 · 2017-01-12T19:46:28.000+08:00
diff --git a/src/event.js b/src/event.js
@@ -119,11 +119,11 @@ export function scroll2Top (offset = 0) {
 }
 
 export function sticky () {
-  const dom = document.querySelector('section.cover')
-  const coverHeight = dom.getBoundingClientRect().height
+  sticky.dom = sticky.dom || document.querySelector('section.cover')
+  const coverHeight = sticky.dom.getBoundingClientRect().height
 
   return (function () {
-    if (window.pageYOffset >= coverHeight || dom.classList.contains('hidden')) {
+    if (window.pageYOffset >= coverHeight || sticky.dom.classList.contains('hidden')) {
       document.body.classList.add('sticky')
       sticky.noSticky = false
     } else {
diff --git a/src/render.js b/src/render.js
@@ -154,7 +154,7 @@ export function renderCover (content) {
     return
   }
   renderCover.dom.classList.add('show')
-  if (renderCover.rendered) return
+  if (renderCover.rendered) return event.sticky()
 
   // render cover
   let html = markdown(content)

Original file line number	Diff line number	Diff line change
`@@ -154,7 +154,7 @@ export function renderCover (content) {`
`154`	`154`	`return`
`155`	`155`	`}`
`156`	`156`	`renderCover.dom.classList.add('show')`
`157`		`- if (renderCover.rendered) return`
	`157`	`+ if (renderCover.rendered) return event.sticky()`
`158`	`158`
`159`	`159`	`// render cover`
`160`	`160`	`let html = markdown(content)`