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@@ Coverage Diff @@
## master #309 +/- ##
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- Coverage 86.31% 86.3% -0.01%
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Files 163 163
Lines 4916 4908 -8
Branches 753 752 -1
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- Hits 4243 4236 -7
+ Misses 600 599 -1
Partials 73 73
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mjesun
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…ation * upstream/master: (42 commits) Bump metro@0.49.1 Fix entryFile always is assumed to end with `.js` extension (facebook#310) Adds support for `publicPath` to enable serving assets from different locations. (facebook#299) Make dynamic import interoperable for CJS and ESM Add custom serializer (facebook#309) React sync for revisions 4773fdf...3ff2c7c metro-buck: disable inline IDs in dev mode Simplify helper function Rewrite traverseDependency-integration-tests to make them module resolution unit tests RN: Revert React 16.6 Sync React sync for revisions 4773fdf...bf9fadf Bump react-deep-force-update Use getFileIterator() from jest-haste-map Deploy Flow v0.85 to xplat/js metro-buck: add explicit import() prefetch feature jest: remove jasmine usages jest: upgrade to 24.0.0-alpha.4 Fix source map loading in the remote debugger Fix metro visualizer transformation Update babel to version 7 ...
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Summary
We would like to bundle an entryfile differently than it is currently done in Metro, specifically in development. Without a pluggable serializer, we wouldn't be able to perform bundle splitting in development, which is impactful to our development speed.
This PR alleviates bundle sizing problem by introducing a customSerializer instead of using the
plainJSBundle.Some minor question, do I have to implement this in the
buildpublic method in the server?Test plan
customSerializerand test it against the new change in metro. Our bundle was able to do what we needed it to accomplish.