mirror of https://github.com/status-im/metro.git
8faa406e96
Summary: @public Fixes #773, #1055 The resolver was getting a bit unwieldy because a lot has changed since the initial writing (porting node-haste). This also splits up a large complex file into the following: * Makes use of classes: Module, AssetModule, Package, and AssetModule_DEPRECATED (`image!` modules) * DependencyGraph is lazy for everything that isn't haste modules and packages (need to read ahead of time) * Lazy makes it fast, easier to reason about, and easier to add new loaders * Has a centralized filesystem wrapper: fast-fs (ffs) * ffs is async and lazy for any read operation and sync for directory/file lookup which makes it fast * we can easily drop in different adapters for ffs to be able to build up the tree: watchman, git ls-files, etc * use es6 for classes and easier to read promise-based code Follow up diffs will include: * Using new types (Module, AssetModule etc) in the rest of the codebase (currently we convert to plain object which is a bit of a hack) * using watchman to build up the fs * some caching at the object creation level (we are recreating Modules and Packages many times, we can cache them) * A plugin system for loaders (e.g. @tadeuzagallo wants to add a native module loader) Test Plan: * ./runJestTests.sh react-packager * ./runJestTests.sh PackagerIntegration * Export open source and run the e2e test * reset cache * ./fbrnios.sh run and click around |
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