Reliable pattern for cleaning up resources as process exists?

I'm using Explicit Resource Management (

await using resource = ...

await using resource = ...

), but

[Symbol.asyncDispose]

[Symbol.asyncDispose]

doesn't get called if my program is killed with SIGINT or other signals. Is there a known/good pattern for making sure some resource gets cleaned up, even if the process is dying?

I'm familiar with
window.onunload
window.onunload
, but since that's a global, it feels unreliable to rely on, since anything else in my dependencies might overwrite it during a lengthy runtime. I may also have more than one thing that I want to clean up. (never mind, unload doesn't fire during SIGINT)

I also know about

Deno.addSignalListener()

Deno.addSignalListener()

but there are an awful lot of signals I'd need to listen to.

Deno•15mo ago•

4 replies

CodyC

Reliable pattern for cleaning up resources as process exists?

I'm using Explicit Resource Management (

await using resource = ...

await using resource = ...

), but

[Symbol.asyncDispose]

[Symbol.asyncDispose]

Deno.addSignalListener()

Deno.addSignalListener()

but there are an awful lot of signals I'd need to listen to.

Reliable pattern for cleaning up resources as process exists?

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