supported smaller package metadata API #3112
Merged
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Summary
According to https://github.com/npm/registry/blob/master/docs/responses/package-metadata.md we can now use smaller metadata API that does not have all the unnecessary descriptions etc.
Test plan
React Native:
material2:
Results:
This PR reduces metadata downloads by 40%.
Full metadata to packages is about 10-20% of total download.
There should be some minor improvements for Yarn memory now that it does not need to pass around the extra meta data.