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fix: prevent codeblock filename drop on edit (#2780)

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prevent codeblock filename drop on edit
This commit is contained in:
Ajay Bura
2026-03-15 15:37:14 +11:00
committed by GitHub
parent 8a78c9699e
commit 8f1add6059
2 changed files with 8 additions and 4 deletions
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10
src/app/components/editor/input.ts
View File

@@ -228,9 +228,13 @@ const parseCodeBlockNode = (node: Element): CodeBlockElement[] | ParagraphElemen
children: [{ text }],
}));
const childCode = node.children[0];
const className =
isTag(childCode) && childCode.tagName === 'code' ? childCode.attribs.class ?? '' : '';
const prefix = { text: `${mdSequence}${className.replace('language-', '')}` };
const attribs =
isTag(childCode) && childCode.tagName === 'code' ? childCode.attribs : undefined;
const languageClass = attribs?.class;
const customLabel = attribs?.['data-label'];
const prefix = {
text: `${mdSequence}${customLabel ?? languageClass?.replace('language-', '') ?? ''}`,
};
const suffix = { text: mdSequence };
return [
{ type: BlockType.Paragraph, children: [prefix] },

2
src/app/plugins/markdown/block/rules.ts
View File

@@ -18,7 +18,7 @@ export const CodeBlockRule: BlockMDRule = {
const [, g1, g2] = match;
// use last identifier after dot, e.g. for "example.json" gets us "json" as language code.
const langCode = g1 ? g1.substring(g1.lastIndexOf('.') + 1) : null;
const filename = g1 != langCode ? g1 : null;
const filename = g1 !== langCode ? g1 : null;
const classNameAtt = langCode ? ` class="language-${langCode}"` : '';
const filenameAtt = filename ? ` data-label="${filename}"` : '';
return `<pre data-md="${CODEBLOCK_MD_1}"><code${classNameAtt}${filenameAtt}>${g2}</code></pre>`;