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ac6150c4c0
Adds an "eventLog" property to the global "$__dart_deferred_initializers__" object. The event log is just a JS Array that gets initialized alongside $__dart_deferred_initializers__.
Each event entry is a String->String JS object. I unified the format of these event objects for easier parsing.
Each printed event is now valid JSON (passed through JSON.stringify) so we can more easily post-process the logs if necessary.
Fully replacing the existing "_eventLog" field makes the logging logic simpler. Having a single array allows us to not include a timestamp because the array captures the event ordering (actual timing doesn't matter). It also makes it easier to stringify the logs when there's only 1 data source/format.
Sample output:
```
{"hunkName":"out.js_1.part.js","event":"loadHunk"}
{"uri":"path_to/out.js_1.part.js","hunkName":"out.js_1.part.js","event":"downloadHunk"}
{"file":"out.js_1","event":"beginLoadPart"}
{"file":"out.js_1","event":"endPartLoad","hash":"aCscY7yv4EHodRPmCqYn5BqMelA="}
{"uri":"path_to/out.js_1.part.js","hunkName":"out.js_1.part.js","event":"downloadHunkSuccess"}
{"hunkName":"out.js_1.part.js","hash":"aCscY7yv4EHodRPmCqYn5BqMelA=","event":"initialize"}
```
Change-Id: Ifee73be0bf7dc53a0e7710ff033dd2b0fae9fb0e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/307240
Commit-Queue: Nate Biggs <natebiggs@google.com>
Reviewed-by: Stephen Adams <sra@google.com>
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| .. | ||
| async_status_codes.dart | ||
| embedded_names.dart | ||
| load_library_priority.dart | ||