From 7b7064ad2be68e8d6d43123c12529ca94a325fcb Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Sun, 20 Aug 2023 22:38:37 +0000
Subject: [PATCH] fix: ensure code exists inside pre before adding clipboard
---
quartz/components/scripts/clipboard.inline.ts | 42 ++++++++++++++++++++++--------------------
1 files changed, 22 insertions(+), 20 deletions(-)
diff --git a/quartz/components/scripts/clipboard.inline.ts b/quartz/components/scripts/clipboard.inline.ts
index 76d1b58..c604c9b 100644
--- a/quartz/components/scripts/clipboard.inline.ts
+++ b/quartz/components/scripts/clipboard.inline.ts
@@ -7,25 +7,27 @@
const els = document.getElementsByTagName("pre")
for (let i = 0; i < els.length; i++) {
const codeBlock = els[i].getElementsByTagName("code")[0]
- const source = codeBlock.innerText.replace(/\n\n/g, "\n")
- const button = document.createElement("button")
- button.className = "clipboard-button"
- button.type = "button"
- button.innerHTML = svgCopy
- button.ariaLabel = "Copy source"
- button.addEventListener("click", () => {
- navigator.clipboard.writeText(source).then(
- () => {
- button.blur()
- button.innerHTML = svgCheck
- setTimeout(() => {
- button.innerHTML = svgCopy
- button.style.borderColor = ""
- }, 2000)
- },
- (error) => console.error(error),
- )
- })
- els[i].prepend(button)
+ if (codeBlock) {
+ const source = codeBlock.innerText.replace(/\n\n/g, "\n")
+ const button = document.createElement("button")
+ button.className = "clipboard-button"
+ button.type = "button"
+ button.innerHTML = svgCopy
+ button.ariaLabel = "Copy source"
+ button.addEventListener("click", () => {
+ navigator.clipboard.writeText(source).then(
+ () => {
+ button.blur()
+ button.innerHTML = svgCheck
+ setTimeout(() => {
+ button.innerHTML = svgCopy
+ button.style.borderColor = ""
+ }, 2000)
+ },
+ (error) => console.error(error),
+ )
+ })
+ els[i].prepend(button)
+ }
}
})
--
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