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fix: check if content layer files have changed before writing #12962

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Merged
ascorbic merged 1 commit into from
Jan 10, 2025
Merged

fix: check if content layer files have changed before writing #12962

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5 changes: 5 additions & 0 deletions .changeset/light-meals-press.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
'astro': patch
---

Skips updating content layer files if content is unchanged
5 changes: 5 additions & 0 deletions packages/astro/src/content/mutable-data-store.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -213,6 +213,11 @@ export default new Map([\n${lines.join(',\n')}]);

const tempFile = filePath instanceof URL ? new URL(`${filePath.href}.tmp`) : `${filePath}.tmp`;
try {
const oldData = await fs.readFile(filePath, 'utf-8').catch(() => '');
if (oldData === data) {
// If the data hasn't changed, we can skip the write
return;
}
// Write it to a temporary file first and then move it to prevent partial reads.
await fs.writeFile(tempFile, data);
await fs.rename(tempFile, filePath);
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