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fix: Add guard to date format to prevent invalid months #1486

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Merged
merged 2 commits into from
Aug 18, 2025
Merged

fix: Add guard to date format to prevent invalid months #1486

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fix: Add guard to date format to prevent invalid months
elliott-with-the-longest-name-on-github Aug 18, 2025
b49855e
again
elliott-with-the-longest-name-on-github Aug 18, 2025
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8 changes: 8 additions & 0 deletions apps/svelte.dev/src/lib/server/content.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,15 @@ export const index = await create_index(documents, assets, '../../../content', r
const months = 'Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec'.split(' ');

function format_date(date: string) {
if (!/^\d{4}-\d{2}-\d{2}$/.test(date)) {
throw new Error(`Invalid blog post date for date ${date}, should be in the format YYYY-MM-DD`);
}

const [y, m, d] = date.split('-');
const month = months[+m - 1];
if (month === undefined) {
throw new Error(`Invalid blog post month for date ${date}`);
}
return `${months[+m - 1]} ${+d} ${y}`;
}

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