Eduardo Bouças @eduardoboucas.com · Jun 12 Support for conditional writes has landed in Netlify Blobs. The `set` and `setJSON` now let you perform create-only and update-only atomic operations. For example, here's how you can use the `onlyIfNew` option to write an entry only if the key is new. 🧵
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With `onlyIfMatch`, you can update an entry only if it exists and its content matches a given ETag. When performing multiple updates to an entry, this gives you a safeguard against data inconsistencies resulting from multiple sources mutating the entry.