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allow codeblock plaintext inside codeblock by extending fence count

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This commit is contained in:
Ajay Bura
2026-05-09 19:22:57 +05:30
parent 1fb7e0ebf1
commit 0295f785e6
1 changed files with 8 additions and 4 deletions
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src/app/plugins/markdown/block/rules.ts
+8 -4
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@@ -10,18 +10,22 @@ export const HeadingRule: BlockMDRule = {
}, },
}; };
const CODEBLOCK_MD_1 = '```'; // opening fence: 3 or more backticks
const CODEBLOCK_REG_1 = /^`{3}(\S*)\n((?:.*\n)+?)`{3} *(?!.)\n?/m; // capture the exact fence length in group 1
// optional info string in group 2
// code content in group 3
// closing fence must match the exact same fence sequence via \1
const CODEBLOCK_REG_1 = /^(`{3,})(?!`)(\S*)\n((?:.*\n)+?)\1 *(?!.)\n?/m;
export const CodeBlockRule: BlockMDRule = { export const CodeBlockRule: BlockMDRule = {
match: (text) => text.match(CODEBLOCK_REG_1), match: (text) => text.match(CODEBLOCK_REG_1),
html: (match) => { html: (match) => {
const [, g1, g2] = match; const [, fence, g1, g2] = match;
// use last identifier after dot, e.g. for "example.json" gets us "json" as language code. // 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 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-${langCode}"` : ''; const classNameAtt = langCode ? ` class="language-${langCode}"` : '';
const filenameAtt = filename ? ` data-label="${filename}"` : ''; const filenameAtt = filename ? ` data-label="${filename}"` : '';
return `<pre data-md="${CODEBLOCK_MD_1}"><code${classNameAtt}${filenameAtt}>${g2}</code></pre>`; return `<pre data-md="${fence}"><code${classNameAtt}${filenameAtt}>${g2}</code></pre>`;
}, },
}; };