Update dependency webpack to v4

This Pull Request updates dependency webpack (source) from v3.12.0 to v4.17.1

Note: This PR was created on a configured schedule ("before 5am on monday") and will not receive updates outside those times.

Release Notes

`v4.17.1`

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Bugfixes

fix missing reexports in export * in a concatenated module

`v4.17.0`

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Features

allow to provide custom functions to IgnorePlugin

Bugfixes

remove incorrectly emitted dead code in concatenated modules
chunk ids contribute to [contenthash] for js assets
fix crash when trying to export globals in concatenated modules

`v4.16.5`

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Bugfixes

(resource) query now works in import()
adding entries multiple times now overrides properly
- This caused an issue when using webpack-hot-client and runtime chunks

`v4.16.4`

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Bugfixes

fix chunkAsset hook in HotModuleReplacementPlugin

`v4.16.3`

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Bugfixes

fix missing modules with chunks nested in unneeded require.ensures.

`v4.16.2`

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Bugfixes

handle module.require like require
emit warnings for module.main.require and module.parent.require
sort reasons in stats
handle errors when parsing manifest in DllReferencePlugin

`v4.16.1`

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Bugfixes

fix reversed order when using optimization.occurrenceOrder (default in production mode)
output.hashDigest has a more relaxed schema
update dependencies
fix typo in schema

Internal changes

typescript 3 rc

`v4.16.0`

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Features

add wasm support for electron-renderer target
add optimization.moduleIds and optimization.chunkIds options to replace other options

Bugfixes

fix order of side effect evaluation for exported dependencies in side-effect-free modules
fix some typos
Support the case when passing an array to output.library.root and using a devtool
fix a HMR logging message issue in browser where err.stack is not set
add missing default extensions to the DllReferencePlugin
module/chunk ids in Stats now sort numerical when they are numbers
fix lost chunk reasons when using optimization.splitChunks.maxSize
fix cases where Dependency.loc is a string instead of an object

Deprecations

deprecated Dependency.compare in favor of compareLocations
optimization.namedModules is now deprecated
optimization.hashedModuleIds is now deprecated
optimization.namedChunks is now deprecated
optimization.occurrenceOrder is now deprecated

`v4.15.1`

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Bugfixes

fix memory leaks when using HMR and in SplitChunksPlugin cache
fix undefined automaticNameDelimiter in cache groups when using maxSize
fix ProfilingPlugin for node.js 10 and 6

`v4.15.0`

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Features:

add maxSize option for splitChunks (experimental)
add a helpful error when using wasm in a initial chunk

`v4.14.0`

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Features

add new hook Compilation.dependencyReference to modify the dependency references

Bugfixes

Allow chunks to emit multiple assets to the same filename when hash matches

`v4.13.0`

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Features

the DefinePlugin now supports runtimeValues to pass computed values with dependencies that can change over time
added optimization.hashedModuleIds
crossOrigin for chunks is only set when really needed
added per chunk group indicies
updated enhanced-resolve
- You can now use absolute paths as keys to resolve.alias

Bugfixes

when delegating CLI the bin fields are used
when assigning indicies sync dependencies are now walked before async dependencies

`v4.12.2`

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Bugfixes

fix crash when using invalid JSON with HMR
fix missing modules when a side-effect-free package is root of module concatenation
update chunkhash when entry-chunks list or prefetched chunks change

`v4.12.1`

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Bugfixes

fix problem causing a stack overflow when reexporting circular
fix a bug causing missing modules in bundles when using splitChunks
run modules in correct order when using import with sideEffects: false
- added order to DependencyReference
add missing support for [chunkhash] in target: "webworker"
fix bug causing incomplete profile (race condition) with the ProfilingPlugin

Internal changes

Added more types
lint files on commit with lint-staged

`v4.12.0`

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Features

Errors from loaders show the loader path in the error message
add support for optional catch and line and paragraph separator in strings (ES2019)

Bugfixes

fixes a bug where chunks have duplicate ids when using records
fix bubbling in HMR for import() when importing a non-ESM
fix issue with in installing with pnpm
update dependencies of the ProfilingPlugin

`v4.11.1`

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Features

add optimization.mangleWasmImports option to disable mangling of wasm imports

Bugfixes

disable wasm import mangling temporary because of bugs in the underlying wasm processing

`v4.11.0`

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Features

support reportProgress in afterEmit
Warnings are now emitted if magic comments don't compile
Added support for matchResource inline request for loaders
Using webpackPrefetch in entry chunk now triggers prefetching in runtime
- No link tag needed for this in HTML
Warnings will be emitted when trying to use i64-functions imported from wasm

Bugfixes

get_global initializer in wasm globals now work correctly
Reexporting globals is now handled correctly
Error origins and locations are now displayed correctly

`v4.10.2`

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Bugfixes

order of wasm globals is correctly preversed while rewriting
skipping side-effect-free modules up to a concatenated modules will not longer cause null module ids

`v4.10.1`

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Bugfixes

update reasons correctly when skipping side-effect-free modules

`v4.10.0`

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Features

Export and import name strings in them wasm are mangled
Unused exports in wasm are removed (Tree Shaking)
- Don't expect size improvements yet since there is not minimizer for WASM yet which does the Dead Code Elimination, which is the second part for this optimization
Direct WASM dependencies are enforced for:
- functions imports with i64 parameters or return values
- memory and table imports
generate shorter wasm runtime code
ESM namespace object now have Symbol.toStringTag "Module"

Bugfixes

generate correct initializer for imported globals in wasm
side-effect-free modules referenced by export * from are no longer including in the bundle
the side-effects optimization is now possible in incremental compilation

`v4.9.2`

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Bugfixes

functions is defined because used (fixes undeclared function error in firefox)
progress plugin works now in MultiCompiler scenarios again

`v4.9.1`

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Bugfixes

fix parameter references in default parameters

Internal changes

change test cases to text format

`v4.9.0`

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Features

BannerPlugin supports a function as banner option
allow serve property in configuration schema
add entryOnly option to DllPlugin to only expose modules in the entry point
Allow to choose between webpack-cli and webpack-command
improve error message when JSON parsing fails
allow BOM in JSON
sort usedIds in records for stablility

Bugfixes

align module not found error message with node.js
fix behavior of splitChunks when request limit has reached (caused suboptimal splitting)
fix handling of RegExp in records (caused absolute path in records)
fix handling of circular chunks (caused missing __webpack_require__.e)
runtimeChunk is even generated when all modules are moved by splitChunks (caused multiple runtime chunks instead of single one)
string ids are no longer recorded (caused duplicate/wrong chunk ids)
fix link to migration guide in error message

Internal changes

add more typings
Use travis stages
add many-pages example

`v4.8.3`

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Bugfixes

fix missing debug dependency
support arrays in output.library.root

`v4.8.2`

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Bugfixes

WASM parser bugfixes
fix edge case when replacing top-level this in IIFE
avoid parser wasm many times

`v4.8.1`

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Bugfixes

fix some WASM parsing issues

`v4.8.0`

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Features

new WASM pipeline
- use instantiateStreaming when available
- allow circular dependencies between wasm modules (functions only)

Bugfixes

fix a bug where runtime code for wasm was incorrectly cached
fix a bug where a splitChunks cacheGroup without name wasn't executed

`v4.7.0`

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Features

add webpackIgnore magic comment (import(/* webpackIgnore: true */ "...")) to keep the import in the bundle
add chunkGroups to Stats
- chunkGroups option
- namedChunkGroups property
- Chunk Group text output

Bugfixes

prevent chunk merging for the runtimeChunk
fix a caching issue for concatenated modules
namedModules now handle name conflicts correctly
fix a crash when using [contenthash:n] without on-demand-chunks

Internal changes

testing uses Jest now
testing in node.js 10 too
Performance improvements

`v4.6.0`

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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

`v4.5.0`

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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

`v4.4.1`

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Bugfixes

fix yarn/npm install script on windows

`v4.4.0`

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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

`v4.3.0`

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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

`v4.2.0`

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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

`v4.1.1`

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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

`v4.1.0`

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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

`v4.0.1`

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Features

add version property to webpack exports

Bugfixes

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

`v4.0.0`

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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

This PR has been generated by Renovate Bot.

mozilla / firefox-hardware-report

Update dependency webpack to v4 #78

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