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Enhance code block rendering with language classes and refine link validation

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This commit is contained in:
Victor Giers
2026-05-07 19:45:45 +02:00
parent 39fb777ae6
commit a97927a29a
2 changed files with 4 additions and 10 deletions
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7
src/markdown/markdown-render.css
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@@ -141,13 +141,6 @@
overflow-wrap: anywhere;
}
.md-codeblock__label {
margin: 0 0 1rem;
font-family: var(--md-code-font);
font-size: 11px;
color: var(--subtle);
}
.md-inline-code {
padding: 0.1em 0.24em;
border-radius: 4px;

7
src/markdown/markdown.ts
View File

@@ -29,6 +29,7 @@ const alignmentClassFromToken = (token: any) => {
const safeLink = (hrefRaw: string) => {
const href = (hrefRaw || "").trim();
if (!href) return "";
if (href.startsWith("//")) return "";
if (/^(https?|mailto|tel):/i.test(href)) return href;
if (/^[./#]/.test(href)) return href;
if (!/^[a-z][a-z0-9+.-]*:/i.test(href)) return href;
@@ -255,11 +256,11 @@ markdown.renderer.rules.code_inline = (tokens: any[], idx: number) =>
markdown.renderer.rules.fence = (tokens: any[], idx: number) => {
const info = tokens[idx].info.trim();
const language = info || "code";
return `<pre class="md-codeblock"><code>${escapeHtml(tokens[idx].content).replace(
const languageClass = info.toLowerCase().replace(/[^a-z0-9_-]/g, "") || "code";
return `<pre class="md-codeblock"><code class="language-${languageClass}">${escapeHtml(tokens[idx].content).replace(
/\n$/,
""
)}</code></pre><div class="md-codeblock__label">${escapeHtml(language)}</div>`;
)}</code></pre>`;
};
markdown.renderer.rules.code_block = (tokens: any[], idx: number) =>