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feat(docs): document unused reflection info tracking

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Yegor Jbanov 2015-09-01 16:58:52 -07:00
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@ -40,6 +40,16 @@ each level. To reduce noise in the output (for very large apps) it also provides
an option to hide libraries that are too small, so you can focus on the biggest
contributors.
#### Track unused reflection data
Call `reflector.trackUsage()` to cause it to track reflection information used
by the application. Reflection information (`ReflectionInfo`) is a data
structure that stores information about your application that Angular uses for
locating DI factories, generated change detectors and other code related to a
given type. After exercising your application, call `reflector.listUnusedKeys()`
to get a list of types and functions whose reflection information was retained
but was never used by the application.
#### Use code coverage to find dead code
When running in Dartium (or in Dart VM in general) you can request code