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Add experimental_waitUntil API for long-running tasks #296

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Merged
threepointone merged 3 commits into from
Dec 19, 2025
Merged

Add experimental_waitUntil API for long-running tasks #296

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a1ff637
Add experimental waitUntil API for long-running tasks
threepointone Dec 19, 2025
f46f3c0
Refactor timeout handling with Promise.race in index.ts
threepointone Dec 19, 2025
e4d4f6d
Update index.ts
threepointone Dec 19, 2025
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9 changes: 9 additions & 0 deletions .changeset/late-hornets-walk.md
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"partyserver": patch
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Add experimental waitUntil API for long-running tasks

Introduces an internal keep-alive WebSocket endpoint and the experimental_waitUntil method to allow Durable Objects to remain alive while executing long-running async functions. This mechanism uses a self-connecting WebSocket with periodic pings and requires the 'enable_ctx_exports' compatibility flag. Additional handling is added to ignore keep-alive sockets in WebSocket event methods.

Based on @eastlondoner's https://github.com/eastlondoner/better-wait-until
42 changes: 39 additions & 3 deletions package-lock.json
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