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Update dependency webpack to v4 #768

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Update dependency webpack to v4 #768

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This Pull Request updates dependency webpack from ^3.10.0 to ^4.0.0

Release Notes

v4.0.0

Big changes

  • Environment
    • Node.js 4 is no longer supported. Source Code was upgraded to a higher ecmascript version.
  • Usage
    • You have to choose (mode or --mode) between two modes now: production or development
      • production enables all kind of optimizations to generate optimized bundles
      • development enables comments and hint for development and enables the eval devtool
      • production doesn't support watching, development is optimized for fast incremental rebuilds
      • production also enables module concatenating (Scope Hoisting)
      • You can configure this in detail with the flags in optimization.* (build your custom mode)
      • process.env.NODE_ENV are set to production or development (only in built code, not in config)
      • There is a hidden none mode which disables everything
  • Syntax
    • import() always returns a namespace object. CommonJS modules are wrapped into the default export
      • This probably breaks your code, if you used to import CommonJs with import()
  • Configuration
    • You no longer need to use these plugins:
      • NoEmitOnErrorsPlugin -> optimization.noEmitOnErrors (on by default in production mode)
      • ModuleConcatenationPlugin -> optimization.concatenateModules (on by default in production mode)
      • NamedModulesPlugin -> optimization.namedModules (on by default in develoment mode)
    • CommonsChunkPlugin was removed -> optimization.splitChunks, optimization.runtimeChunk
  • JSON
    • webpack now handles JSON natively
      • You may need to add type: "javascript/auto" when transforming JSON via loader to JS
      • Just using JSON without loader should still work
    • allows to import JSON via ESM syntax
      • unused exports elimination for JSON modules
  • Optimization
    • Upgrade uglifyjs-webpack-plugin to v1
      • ES15 support

Big features

  • Modules
    • webpack now supports these module types:
      • javascript/auto: (The default one in webpack 3) Javascript module with all module systems enabled: CommonJS, AMD, ESM
      • javascript/esm: EcmaScript modules, all other module system are not available
      • javascript/dynamic: Only CommonJS and, EcmaScript modules are not available
      • json: JSON data, it's available via require and import
      • webassembly/experimental: WebAssembly modules (currently experimental)
    • javascript/esm handles ESM more strictly compared to javascript/auto:
      • Imported names need to exist on imported module
      • Dynamic modules (non-esm, i. e. CommonJs) can only imported via default import, everything else (including namespace import) emit errors
    • In .mjs modules are javascript/esm by default
    • WebAssembly modules
      • can import other modules (JS and WASM)
      • Exports from WebAssembly modules are validated by ESM import
        • You'll get a warning/error when trying to import a non-existing export from WASM
      • can only be used in async chunks. They doesn't work in initial chunks (would be bad for web performance)
        • Import modules using WASM via import()
      • This is an experimental feature and subject of change
  • Optimization
    • sideEffects: false is now supported in package.json
      • sideEffects in package.json also supports glob expressions and arrays of glob expressions
    • Instead of a JSONP function a JSONP array is used -> async script tag support, order no longer matter
    • New optimization.splitChunks option was introduced
      Details: https://gist.github.com/sokra/1522d586b8e5c0f5072d7565c2bee693
    • Dead branches are now removed by webpack itself
      • Before: Uglify removed the dead code
      • Now: webpack removes the dead code (in some cases)
      • This prevents crashing when import() occur in a dead branch
  • Syntax
    • webpackInclude and webpackExclude are supported by the magic comment for import(). They allow to filter files when using a dynamic expression.
    • Using System.import() now emits a warning
      • You can disable the warning with Rule.parser.system: true
      • You can disable System.import with Rule.parser.system: false
  • Configuration
    • Resolving can now be configured with module.rules[].resolve. It's merged with the global configuration.
    • optimization.minimize has been added to switch minimizing on/off
      • By default: on in production mode, off in development mode
    • optimization.minimizer has been added to configurate minimizers and options
  • Usage
    • Some Plugin options are now validated
    • CLI has been move to webpack-cli, you need to install webpack-cli to use the CLI
    • The ProgressPlugin (--progress) now displays plugin names
      • At least for plugins migrated to the new plugin system
  • Performance
    • UglifyJs now caches and parallizes by default
    • Multiple performance improvements, especially for faster incremental rebuilds
    • performance improvement for RemoveParentModulesPlugin
  • Stats
    • Stats can display modules nested in concatenated modules

Features

  • Configuration
    • Module type is automatically choosen for mjs, json and wasm extensions. Other extensions need to be configured via module.rules[].type
    • Incorrect options.dependencies configurations now throw error
    • sideEffects can be overriden via module.rules
    • output.hashFunction can now be a Constructor to a custom hash function
      • You can provide a non-cryto hash function for performance reasons
    • add output.globalObject config option to allow to choose the global object reference in runtime exitCode
  • Runtime
    • Error for chunk loading now includes more information and two new properties type and request.
  • Devtool
    • remove comment footer from SourceMaps and eval
    • add support for include test and exclude to the eval source map devtool plugin
  • Performance
    • webpacks AST can be passed directly from loader to webpack to avoid extra parsing
    • Unused modules are no longer unnecessarly concatenated
    • Add a ProfilingPlugin which write a (Chrome) profile file which includes timings of plugins
    • Migrate to using for of instead of forEach
    • Migrate to using Map and Set instead of Objects
    • Migrate to using includes instead of indexOf
    • Replaced some RegExp with string methods
    • Queue don't enqueues the same job twice
    • Use faster md4 hash for hashing by default
  • Optimization
    • When using more than 25 exports mangled export names are shorter.
    • script tags are no longer text/javascript and async as this are the default values (saves a few bytes)
    • The concatenated module now generates a bit less code
    • constant replacements now don't need __webpack_require__ and argument is omitted
  • Defaults
    • webpack now looks for the .wasm, .mjs, .js and .json extensions in this order
    • output.pathinfo is now on by default in develoment mode
    • in-memory caching is now off by default in production
    • entry defaults to ./src
    • output.path defaults to ./dist
    • Use production defaults when omiting the mode option
  • Usage
    • Add detailed progress reporting to SourceMapDevToolPlugin
    • removed plugins now give a useful error message
  • Stats
    • Sizes are now shown in kiB instead of kB in Stats
    • entrypoints are now shows by default in Stats
    • chunks now display <{parents}> >{children}< and ={siblings}= in Stats
    • add buildAt time to stats
    • stats json now includes the output path
  • Syntax
    • A resource query is supported in context
    • Referencing entry point name in import() now emits a error instead of a warning
    • Upgraded to acorn 5 and support ES 2018
  • Plugins
    • done is now an async hook

Bugfixes

  • Generated comments no longer break on */
  • webpack no longer modifies the passed options object
  • Compiler "watch-run" hook now has the Compiler as first parameter
  • add output.chunkCallbackName to the schema to allow configurating WebWorker template
  • Using module.id/loaded now correctly bails out of Module Concatentation (Scope Hoisting)
  • OccurenceOrderPlugin now sorts modules in correct order (instead of reversed)
  • timestamps for files are read from watcher when calling Watching.invalidate
  • fix incorrect -! behavior with post loaders
  • add run and watchRun hooks for MultiCompiler
  • this is now undefined in ESM
  • VariableDeclaration are correctly identified as var, const or let
  • Parser now parse the source code with the correct source type (module/script) when the module type javascript/dynamic or javascript/module is used.
  • don't crash on missing modules with buildMeta of null
  • add original-fs module for electron targets
  • HMRPlugin can be added to the Compiler outside of plugins

Internal changes

  • Replaced plugin calls with tap calls (new plugin system)
  • Migrated many deprecated plugins to new plugin system API
  • added buildMeta.exportsType: "default" for json modules
  • Remove unused methods from Parser (parserStringArray, parserCalculatedStringArray)
  • Remove ability to clear BasicEvaluatedExpression and to have multiple types
  • Buffer.from instead of new Buffer
  • Avoid using forEach and use for of instead
  • Use neo-async instead of async
  • Update tapable and enhanced-resolve dependencies to new major versions
  • Use prettier

Removed features

  • removed module.loaders
  • removed loaderContext.options
  • removed Compilation.notCacheable flag
  • removed NoErrorsPlugin
  • removed Dependency.isEqualResource
  • removed NewWatchingPlugin
  • removed CommonsChunkPlugin

Breaking changes for plugins/loaders

  • new plugin system
    • plugin method is backward-compatible
    • Plugins should use Compiler.hooks.xxx.tap(<plugin name>, fn) now
  • New major version of enhanced-resolve
  • Templates for chunks may now generate multiple assets
  • Chunk.chunks/parents/blocks are no longer Arrays. A Set is used internally and there are methods to access it.
  • Parser.scope.renames and Parser.scope.definitions are no longer Objects/Arrays, but Map/Sets.
  • Parser uses StackedSetMap (LevelDB-like datastructure) instead of Arrays
  • Compiler.options is no longer set while applying plugins
  • Harmony Dependencies has changed because of refactoring
  • Dependency.getReference() may now return a weak property. Dependency.weak is now used by the Dependency base class and returned in the base impl of getReference()
  • Constructor arguments changed for all Modules
  • Merged options into options object for ContextModule and resolveDependencies
  • Changed and renamed dependencies for `import()
  • Moved Compiler.resolvers into Compiler.resolverFactory accessible with plugins
  • Dependency.isEqualResource has been replaced with Dependency.getResourceIdentifier
  • Methods on Template are now static
  • A new RuntimeTemplate class has been added and outputOptions and requestShortener has been moved to this class
    • Many methods has been updated to use the RuntimeTemplate instead
    • We plan to move code which accesses the runtime to this new class
  • Module.meta has been replaced with Module.buildMeta
  • Module.buildInfo and Module.factoryMeta have been added
  • Some properties of Module have been moved into the new objects
  • added loaderContext.rootContext which points to the context options. Loaders may use it to make stuff relative to the application root.
  • add this.hot flag to loader context when HMR is enabled
  • buildMeta.harmony has been replaced with buildMeta.exportsType: "namespace
  • The chunk graph has changed:
    • Before: Chunks were connected with parent-child-relationships.
    • Now: ChunkGroups are connected with parent-child-relationships. ChunkGroups contain Chunks in order.
    • Before: AsyncDependenciesBlocks reference a list of Chunks in order.
    • Now: AsyncDependenciesBlocks reference a single ChunkGroup.
  • file/contextTimestamps are Maps now
  • map/foreach Chunks/Modules/Parents methods are now deprecated/removed
  • NormalModule accept options object in Constructor
  • Added required generator argument for NormalModule
  • Added createGenerator and generator hooks for NormalModuleFactory to customize code generation
  • Allow to customize render manifest for Chunks via hooks

v4.0.1

Features

  • add version property to webpack exports

Bugfixes

  • import() with CJS now gives correct exports
  • Module concatenation bailout messages now point to correct module

v4.1.0

Features

  • add filename option to optimization.splitChunks to modify the filename template for splitted chunks
  • allow modules which doesn't emit code into the bundle

Bugfixes

  • watchpack updated to 1.5.0
  • performance fix for Module Concatenation (v8 bug)
  • fix using this.xxx in ProvidePlugin

v4.1.1

Features

  • Stats now displays the number of assets of a module

Bugfixes

  • sourceMap option of the default UglifyJsPlugin now defaults to true when the SourceMapDevToolPlugin is used
  • module.assets is now working again in the Stats
  • chunk ids are not stringified on target node
  • devtoolNamespace default works now also for arrays passed to output.library
  • Format date with 2 digits in Stats for Build At
  • fix a bug renaming classes incorrectly
  • fix a bug where modules ignore the chunks option of optimization.splitChunks

v4.2.0

Features

  • add splitChunks.automaticNameDelimiter to configure the name separator for automatic names
  • stats.excludeModules now also accept booleans
  • webpack throws an error when trying to run in twice at a time
  • performance is disabled by default in non-web targets
  • AMD parser plugins can now be extended by inheriting

Bugfixes

  • Fix a race condition when writing events.json in ProfilingPlugin
  • HMR runtime code is reverted to ES5 style
  • script timeout is not correctly in seconds
  • reexporting JSON exports works correctly now
  • fix a bug when combining ProfilingPlugin with SourceMapDevToolPlugin
  • add a missing semicolon to the runtime code

v4.3.0

Features

  • add support for [contenthash] placeholder

Bugfixes

  • browser field is used for target electron-renderer
  • set devtoolNamespace default correctly when passing an object to output.library

v4.4.0

Features

  • When webpack-cli is not installed it will ask to install it
  • splitChunks.chunks supports a custom function now
  • Better warning when omitting mode

Bugfixes

  • disallow functions for chunkFilename, because it's not working
  • generate correct code when using export default (function xxx() {})

Performance

  • Performance improvements for sorting by identifier

v4.4.1

Bugfixes

  • fix yarn/npm install script on windows

v4.5.0

Features

  • Performance improvements
  • Improve readablility of error messages with long loader string

Bugfixes

  • Sort child compilations for consistent compilation hash
  • Fix bug causing all symbols to be renamed when concatenating modules

Contributing

  • add yarn setup script for bootstrapping local development

v4.6.0

Features

  • improve stats output alignment
  • improve stats text output when all exports are used
  • add webpackPrefetch/webpackPreload magic comments to import()
  • add stats.entrypoints[].children and stats.entrypoints[].childAssets to stats json
  • add prefetched/preloaded chunks and assets to stats text output
  • Performance improvements

Bugfixes

  • Escape chunk ids for target: "webworker"
  • fix this to undefined ESM replacement in function default values
  • new require(...) is weird, but now behaves like in node.js
  • fix behavior of export * from "commonjs" with partial override
  • fixed build time output in current locale in stats text output
  • fixed ChunkModuleIdRangePlugin and add tests
  • avoid race condition when using the loadModule loader API
  • fix default value of output.globalObject in target: "node-webkit"
  • fix a bug with loadModules and dependencies in these modules
  • fix hot.accept parser plugin to allow defined values as argument
  • print unknown size when size is unknown
  • fix a bug where some chunks were missing in the "single" runtime chunk
  • fix cloning of optimization configuration

Internal changes

  • Set up infrastructure for linting typings with TypeScript
Commits

v4.6.0

  • 37ff424 Pass undefined as locale
  • fac3424 Simplify cachedMerge
  • 269a911 Define missing fields on AMD classes
  • fe73712 Remove unecessary _this binding
  • 30da6c5 Merge pull request #​6989 from mohsen1/extend-Template
  • 25f8637 Merge pull request #​7010 from webpack/fix/context_dependency_init
  • 5401381 Merge pull request #​7011 from webpack/fix/object_shapes
  • 15ac4e8 Merge pull request #​7012 from webpack/refactor/remove_this
  • a41974d Merge pull request #​7013 from webpack/refactor/cachedmerge
  • e320290 Merge pull request #​7014 from webpack/refactor/amd_missing_fields
  • 6e154f6 Avoid deopt when cache is set
  • 5be4026 Merge pull request #​7015 from webpack/refactor/source_map_deopt
  • 0b1e9d8 Merge pull request #​6982 from mohsen1/json-and-date-api-fixes
  • 589f40b Add missing class member initializations found by TypeScript
  • 4f3e414 chore: rm useless checking
  • 1c76133 Avoid type mismatch assignment of number to string in HotModuleReplacementPlugin
  • dd484c3 init details
  • b203091 s/const/let
  • 581d19b actually const is fine
  • 13ac6a1 Merge pull request #​7020 from mohsen1/avoid-type-mismatch-assignments
  • b5b6506 remove unneeded message assignment
  • b6c282f fix unit test
  • eca7bad Merge pull request #​6910 from mohsen1/more-inits
  • b8b95cf Use compilation instead of this
  • 4d9eb7c Merge pull request #​6974 from mohsen1/webpack-error-refactor
  • 36d576c Update ChunkModuleIdRangePlugin to webpack 4 API
  • b715475 Add integration tests
  • 397f51f Merge pull request #​7019 from Aladdin-ADD/patch-2
  • 0e88e8a Merge pull request #​6954 from webpack/fix/ChunkModuleIdRangePlugin
  • 868d3b2 Add infrastructure
  • cf8ec0f Add WebAssembly global
  • 84f68b3 Install typescript
  • d00d44c Use nightly build of TS for now
  • 5bb5af6 Some type fixes using JSDoc comments
  • 3ac4f21 More comments to help ts compiler be happy
  • 09cdcb0 More comment based type fixes
  • 0ced385 Comment fixes
  • 6a9ee8f more comment types and one actual code change
  • 2367a7d More comments
  • 70f9a5f upgrade ts
  • 5adc491 Add more globals and comments
  • 8398411 Add types for comment method
  • 836d06e up ts
  • 0fa8cd9 Use ts nightly and enable tsc as lint in travis
  • d677bdd pretty
  • 2267906 Fix lint issues
  • 5b236e5 More type fixes (these changes should be merged as separate PRs
  • 2295c83 Add ts-ignore comments with link to issue
  • c7429a6 Fixed all type errors!
  • 724987a set correct type in ContextDependency
  • 0ea9b98 Use ts nightly and fix JSDoc for comment method in RuntimeTemplate
  • 2b66263 TS now understands module.exports assignments
  • 2adf5c2 Better JSDocs for makeNewProfiledTapFn
  • 8de3b9b add types to Module
  • ebc4b00 add type linting to normal linting in package.json
  • a4e8c07 fix jsdoc comments to make eslint happy
  • 3677e25 add a separate class for HotUpdateChunk
  • 5f0a99e declare types for chrome-trace-event
  • 6063276 remove $WebAssembly global
  • 9dafa97 TS now understands exports assignments
  • a3df74b remove unneeded member isImportEmitted
  • 985e6fb fix race condition when using loadModule
  • 40a089c Merge pull request #​7027 from webpack/bugfix/load-module-race
  • 10282ea Merge pull request #​6862 from mohsen1/ts
  • 58b387b enable strictFunctionTypes
  • 2e3f4ff enable strictPropertyInitialization
  • 0d50f94 enable alwaysStrict
  • 3565cc1 enable noUnusedLocals
  • ddb4b9e ASCII is art
  • 236b1d8 Revert "enable noUnusedLocals"
  • 74559e3 Diable strictPropertyInitialization until null check is enabled
  • ec0dad4 Merge remote-tracking branch 'upstream/master' into peer-dependencies-4
  • 6294313 Merge pull request #​7033 from mohsen1/strict
  • 0be0d1f Merge pull request #​7039 from hedgepigdaniel/peer-dependencies-4
  • 70d4825 Fix output.globalObject value in node-webkit
  • e656231 Move prepareOptions to test helpers
  • 1313300 Merge pull request #​7049 from bastimeyer/bugfix/output-globalobject-node-webkit
  • e54af0d Merge pull request #​7048 from webpack/refactor/prepareOptions
  • 9cb1a66 add support for link preload/prefetch
  • 014e65e rename webpackPrefetchPriority to webpackPrefetch
  • 57e09a6 add test for prefetch, preload and script loading jsonp runtime
  • 17eb5b4 rename priority to order
  • 2a7fdc4 hot.accept tap interceptor returns T/F based on the number of args
  • 3417da5 preload in parallel to script download
  • e1930c2 Fix LoaderPlugin not resolving recursively
  • 873d7d4 show preload and prefetch in stats
  • be79d6d add mixed test case which also tests equal order sorting
  • babc8a4 Merge pull request #​7059 from bastimeyer/bugfix/loaderplugin-recursive
  • 205ca62 fix reversed order in Chunk.compareTo
  • 8e2e19b fix unstable sorting of ChunkGroups and add test
  • 946c4df add test case for comments in import()
  • 58ba91d fix bug which prevented some chunks to show up in Chunk.getAllAsyncChunks
  • 0ff2901 Merge pull request #​7060 from webpack/test/any-comment-in-import
  • ec4ec8e Merge pull request #​7056 from webpack/feature/preload
  • aee2491 Merge pull request #​6962 from justinhelmer/bug/6919
  • 3f99517 Merge pull request #​6905 from xtuc/fix-handle-unknown-size
  • c47150c Clone optimization config in Defaulter
  • 3a5fda9 Merge pull request #​7062 from webpack/bugfix/issue-6931
  • 941be29 Merge pull request #​7063 from webpack/bugfix/clone-optimization
  • e7c8fa4 4.6.0

This PR has been generated by Renovate Bot.

This was referenced Apr 4, 2018
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@edmorley edmorley added this to the v9 milestone Apr 16, 2018
@renovate renovate bot changed the title Update dependency webpack to ^4.0.0 Update dependency webpack to v4 Apr 17, 2018
@edmorley edmorley mentioned this pull request Apr 20, 2018
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edmorley added a commit that referenced this pull request Apr 25, 2018
@edmorley
Update to webpack 4 (#809)
4284ce4 
Notable changes:
* Major version updates of `webpack`, `webpack-dev-server` and `optimize-css-assets-webpack-plugin`
* Uses the new webpack 4 `mode` option
* Removed `@neutrinojs/chunk` in favour of the `splitChunks` feature
* Removed `@neutrinojs/babel-minify` in favour of the faster `uglify-es`
* Removed redundant `ModuleConcatenationPlugin` usage
* Removed default of `NODE_ENV` from `@neutrinojs/env`
* Replaced `extract-text-webpack-plugin` with `mini-css-extract-plugin`
* Stopped pinning `webpack-sources` to v1.0.1
* Added checks to warn about changed web preset `minify` options
* Added checks to enforce that users remove any legacy `vendor` entrypoints

For more details on the webpack changes, see:
https://github.com/webpack/webpack/releases/tag/v4.0.0

Fixes #737.
Fixes #802.
Closes #748.
Closes #768.
Closes #769.
Closes #766.
@renovate renovate bot deleted the renovate/webpack-4.x branch April 25, 2018 15:20
@edmorley edmorley self-assigned this Jul 13, 2018
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