add Compiler.intermediateFileSystem
avoid using `path` and `fs` module when possible
move `join`, `mkdirp` and `dirname` into utils
join and dirname is optional in FileSystem interface
remove mkdirp from Filesystem interface
Use deterministic mangled names for exports
refactor assignDeterministicIds
rename __webpack_init__ function in wasm to ""
fix bug with incorrectly cached StaticExportsDependency
fix bug in hash logic of Module
Chunks are now always in ChunkGroups
ChunkGroups have parents and children, Chunks no longer have this
AsyncDependenciesBlocks point to a ChunkGroup instead of a list of chunks
Entrypoint is now a ChunkGroup (extends from it)
move stuff graph modification methods into GraphHelpers
Change chunk id recording to source-based
Chunks have parents, siblings and children in Stats
rename AutomaticCommonsChunksPlugin to SplitChunksPlugin
add request property to origin (ChunkGroup)
remove moveToParent from AggressiveMergingPlugin
fix issues with AggressiveSplittingPlugin
remove CommonsChunkPlugin
add optimization.runtimeChunk (RuntimeChunkPlugin)
fix a filename bug for initial chunks
remove extract-text-webpack-plugin from test suite
add DebugHash to help debugging hash issues
fix issues with entry modules in different chunk as runtime
redo optimization.splitChunks options
Compilation.entrypoints is now a Map
Compilation.chunkGroups has been added
remove some unittests
update examples
update tests with CommonsChunkPlugin
add optimization options
use development mode for watch/hot/config tests
use production mode for integration/stats tests
create output directory if not existing
move __esModule to runtime
fix dependency behavior for cases without usedExports
* added deprecation with unit test
* added deprecation for NoErrorsPlugin in favor of NoEmitOnErrorsPlugin with unit test
* add new NoEmitOnErrorsPlugin to exports and add an extra unit test to check that there is no warning when using it
* added test for NoEmitOnErrorsPlugin in case of error
* git ignore temporary test fixtures