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Sebastian Markbåge 79ddf5b574 [Flight] Track Timing Information (#31716 )

Stacked on #31715.

This adds profiling data for Server Components to the RSC stream (but
doesn't yet use it for anything). This is on behind
`enableProfilerTimer` which is on for Dev and Profiling builds. However,
for now there's no Profiling build of Flight so in practice only in DEV.
It's gated on `enableComponentPerformanceTrack` which is experimental
only for now.

We first emit a timeOrigin in the beginning of the stream. This provides
us a relative time to emit timestamps against for cross environment
transfer so that we can log it in terms of absolute times. Using this as
a separate field allows the actual relative timestamps to be a bit more
compact representation and preserves floating point precision.

We emit a timestamp before emitting a Server Component which represents
the start time of the Server Component. The end time is either when the
next Server Component starts or when we finish the task.

We omit the end time for simple tasks that are outlined without Server
Components.

By encoding this as part of the debugInfo stream, this information can
be forwarded between Server to Server RSC.

2024-12-10 20:46:19 -05:00

npm

Don't minify symbols in production builds (#28881 )

2024-04-20 11:23:46 -04:00

src

[Flight] Track Timing Information (#31716 )

2024-12-10 20:46:19 -05:00

flight.js

Remove Flight Relay DOM/Native (#26828 )

2023-05-17 20:33:25 -04:00

package.json

Remove loose-envify dep and browserify configs (#28480 )