Comments (5)
mlafeldt
commented on August 22, 2024
To be more specific, the parser leak occurs when deno_runtime::shared::maybe_transpile_source transpiles internal ext: and node: modules to JS as part of bootstrapping the runtime. (The sample code in https://github.com/mlafeldt/deno-memleak does not need any transpilation itself.)
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mlafeldt
commented on August 22, 2024
@nathanwhit confirmed that the parser leak originates in SWC: swc-project/swc#9126
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mlafeldt
commented on August 22, 2024
SWC fixed the mentioned problem in https://github.com/swc-project/swc/blob/main/CHANGELOG.md#1612---2024-07-06
I think we need to update deno_ast to benefit from it, which seems to be quite involved.
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KnorpelSenf
commented on August 22, 2024
Can this be closed now that #24490 was merged and released?
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mlafeldt
commented on August 22, 2024
I can confirm that this particular leak is gone in Deno 1.45! 🚀
(Still watching #24169, which will hopefully land soon.)
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