Reverse engineer original stack frames when virtual frames are re-serialized #30416
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If we didn't do this but left this up to the consumer, and added environment, one benefit is that they'd have the path of the environments that this passed through. I wonder if that is useful though over just knowing the environment name of the original source. Probably not and if it was maybe environment name should be more unique. |
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…rialized (facebook#30416) Stacked on facebook#30410. If we've parsed another RSC stream on the server from a different RSC server, while using `findSourceMapURL`, the Flight Client ends up adding a `rsc://React/` prefix and a numeric suffix to the URL. It's a virtual file that represents the virtual eval:ed frame in that environment. If we then see that same stack again, we'd serialize a virtual frame to another virtual. Meaning `findSourceMapURL` on the client would see the virtual frame of the intermediate server and it would have to strip it to figure out what source map to use. This PR strips it in the Server if we see a virtual frame. At each new client it always refers to the original stack. We don't have to do this. We could leave it to each `findSourceMapURL` implementation and `captureOwnerStack` parser to recursively strip each layer. It could maybe be useful to have the environment name in the virtual frame to know which server to look for the source map in.
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…rialized (facebook#30416) Stacked on facebook#30410. If we've parsed another RSC stream on the server from a different RSC server, while using `findSourceMapURL`, the Flight Client ends up adding a `rsc://React/` prefix and a numeric suffix to the URL. It's a virtual file that represents the virtual eval:ed frame in that environment. If we then see that same stack again, we'd serialize a virtual frame to another virtual. Meaning `findSourceMapURL` on the client would see the virtual frame of the intermediate server and it would have to strip it to figure out what source map to use. This PR strips it in the Server if we see a virtual frame. At each new client it always refers to the original stack. We don't have to do this. We could leave it to each `findSourceMapURL` implementation and `captureOwnerStack` parser to recursively strip each layer. It could maybe be useful to have the environment name in the virtual frame to know which server to look for the source map in.
This was referenced Jul 25, 2024
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Stacked on #30410.
If we've parsed another RSC stream on the server from a different RSC server, while using
findSourceMapURL, the Flight Client ends up adding arsc://React/prefix and a numeric suffix to the URL. It's a virtual file that represents the virtual eval:ed frame in that environment.If we then see that same stack again, we'd serialize a virtual frame to another virtual. Meaning
findSourceMapURLon the client would see the virtual frame of the intermediate server and it would have to strip it to figure out what source map to use.This PR strips it in the Server if we see a virtual frame. At each new client it always refers to the original stack.
We don't have to do this. We could leave it to each
findSourceMapURLimplementation andcaptureOwnerStackparser to recursively strip each layer. It could maybe be useful to have the environment name in the virtual frame to know which server to look for the source map in.