Fix bug with ResizeObserver in table of contents

reinink · reinink · commit 226e75811e3b · 2023-09-05T09:47:01.000-04:00
diff --git a/src/layouts/ContentsLayout.js b/src/layouts/ContentsLayout.js
@@ -128,7 +128,8 @@ function TableOfContents({ tableOfContents, currentSection }) {
 }
 
 function getTop(id) {
-  return document.getElementById(id).getBoundingClientRect().top + window.scrollY
+  let el = document.getElementById(id)
+  return el ? el.getBoundingClientRect().top + window.scrollY : 0
 }
 
 function useTableOfContents(tableOfContents) {

Original file line number	Diff line number	Diff line change
`@@ -128,7 +128,8 @@ function TableOfContents({ tableOfContents, currentSection }) {`
`128`	`128`	`}`
`129`	`129`
`130`	`130`	`function getTop(id) {`
`131`		`- return document.getElementById(id).getBoundingClientRect().top + window.scrollY`
	`131`	`+ let el = document.getElementById(id)`
	`132`	`+ return el ? el.getBoundingClientRect().top + window.scrollY : 0`
`132`	`133`	`}`
`133`	`134`
`134`	`135`	`function useTableOfContents(tableOfContents) {`