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fix: prevent grouping consecutive code blocks with the same language #667

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Merged
avivkeller merged 3 commits into from
Mar 13, 2026
Merged

fix: prevent grouping consecutive code blocks with the same language #667

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b980a53
fix: prevent grouping consecutive code blocks with the same language
okuryu Mar 11, 2026
27433e9
fix: add optional chaining for defensive null safety
okuryu Mar 11, 2026
8f46e38
fix: update to assume [0] and [1] always exist
okuryu Mar 11, 2026
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8 changes: 6 additions & 2 deletions src/utils/highlighter.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -142,8 +142,12 @@ export default function rehypeShikiji() {
currentIndex += 1;

// Since we only support CJS/MJS switch, we should have exactly 2 elements
// in order to create a switchable code tab
if (codeElements.length === 2) {
// with different languages in order to create a switchable code tab
if (
codeElements.length === 2 &&
codeElements[0].properties.language !==
codeElements[1].properties.language
) {
const switchablePreElement = createElement(
'pre',
{
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