add deterministic chunk ids and make it default
StatsTestCases no longer need to explicitly use natural ids as the defaults are deterministic now too
add concept of id name hints for chunks
add `idHint` option to splitChunks to provide a hint
deduplicated code from different id plugins to IdHelpers
improve behavior of named ids in case of conflicts
remove `name: true` and `automaticNamePrefix` from splitChunks it's not as good as expected
improve named chunk ids to show root modules
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
Tobias Koppers
Connor Clark