Update dependency @types/webpack to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
@​types/webpack	devDependencies	major	3.8.1 -> 4.4.32	source
webpack	devDependencies	major	^3.8.1 -> 4.32.2	source

---

Release Notes

webpack/webpack

v4.32.2

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Bugfixes

• fix some weird schema validation messages
• fix problem in production mode (sideEffects + concatenation) which caused reexported values to become undefined (bug since 4.32.0)

v4.32.1

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Bugfixes

• reverts some changes from 4.32.0 which accidentally disabled some CommonJs features when using node: false.

v4.32.0

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Features

• Added this.mode to the loader API, to allow loaders to choose defaults by mode similar to webpacks options
• Stack Trace for Errors in rejected Promises from import() now includes the stack from where the import() was called

Bugfixes

• The Parser can now analyse identifiers in rest patterns too
  • const { a, ...rest } = obj, where rest conflicts with an imported binding etc.
• node: false now correctly disables __dirname and __filename too
• __dirname and __filename now no longer evaluates to something when node: false or node.__file/dirname: false is set
  • if(__dirname !== "") is no longer replaced with if(true) in such scenarios
• prefetching chunks is no executed after the initial module evaluation
  • This allows to override i. e. __webpack_public_path__ for prefetching too
• fixes a runtime crash when using side-effect-free modules with the DllPlugin

Contribute

• CI tests node.js 12 now too
• webpack-bot now merges dependabot PRs automatically when status checks succeed

v4.31.0

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Features

• add errors-warnings stats preset

Bugfixes

• allow top-level return in non-ESM modules

v4.30.0

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Features

• add amd: false to disable AMD support
• Compilation.hooks.finishModules now also allows async plugins
• add output.libraryTarget: "system" to compile for SystemJs environment

Bugfixes

• fix generating a null id when concatenating an entry module in a different chunk
• fix unneeded chunk references when splitting modules from chunks
• fix parsing of function name in function scope

Performance

• Lazy require some internal files
• Faster way to generate function headers

Contributing

• Run prettier on examples markdown

v4.29.6

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Bugfixes

• typeof __webpack_require__ and require.onError is no longer evaluated to undefined and evaluation is done at runtime instead.
• this value in module.hot.accept with imported dependency is correctly preserved.
• webassemblyjs updated to latest version

Contributing

• added a linting step to ensure all dependencies resolve to npm modules

v4.29.5

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Bugfixes

• update @webassemblyjs to remove git dependency

v4.29.4

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Bugfixes

• update @webassemblyjs for bugfixes

v4.29.3

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Bugfixes

• fixes a bug where import() context uses __webpack_require__.e, but it is not in the runtime
• WebpackErrors now console.log correctly in node > 10

v4.29.2

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Internal changes

• update dependencies

v4.29.1

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Bugfixes

• add missing __esModule flag when modules are concatenated, but without usage information

v4.29.0

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Important Note for npm users

This release updates some dependencies, which may trigger a npm bug. See here for the webpack issue. The npm bug has been fixed, but a new npm version has not been released yet.

For workarounds see this comment.

Eventually the fix will be to upgrade npm once the bugfix is released.

Features

• update acorn to v6
• limit the number of in parallel written output files to 15
• add output.futureEmitAssets which gives the emitting logic of webpack 5
  • assets are replaced with SizeOnlySources
  • reading assets after emitting is no longer allowed
  • This allows memory to be garbage-collected

v4.28.4

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Bugfixes

• ProfilingPlugin creates output path if not existing
• fixed support for arrow function functions for optimization.minimizer
• failed hooks is now also called when run() fails

v4.28.3

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Bugfixes

• ProfilingPlugin creates the output folder if necessary

v4.28.2

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Bugfixes

• fixes a crash when multiple IgnorePlugins are used

v4.28.1

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Bugfixes

• fix error in IgnorePlugin when no contextRegExp is passed

v4.28.0

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Features

• IgnorePlugin: checkResource has an additional context argument

Bugfixes

• Injection of node.js globals has been disabled for .mjs files as it's crashing

v4.27.1

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Bugfixes

• v4.27.0 accidentially introduced a breaking change. This reverts the change and restores the original behavior for splitChunks enforce.

v4.27.0

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Features

• When using functions as plugins they are now also called with the compiler as parameter
  • This make it possible to use arrow functions as plugins
• splitChunks.maxSize now emits a warning when minSize > maxSize
• Loaders have now access to a getResolve method to create their own resolver function with custom options

Bugfixes

• splitChunks.cacheGroups.xxx.enforce now behaves as documented and enforce chunk creation
• splitChunks.cacheGroups.xxx.enforce now no longer deletes minSize for maxSize
• fixes a bug where splitChunks cause cacheGroups to be incorrectly merged when using the same name
  • now conditions are considered per cacheGroup
  • the correct cache group comment is displayed in stats
• fixes a bug which causes providedExports not to be updated on rebuilds when using export * from

v4.26.1

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Bugfixes

• fix a bug where splitChunks.maxSize causes a hanging build
• fix a bug where splitChunks.maxSize crashes when minSize > maxSize
• fix a edgecase where splitChunks.maxSize can cause chunks bigger than minSize
• remove unnecessary code from global builtin

v4.26.0

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Features

• Switch from uglify-es to terser as default minimizer

Note: While they are officially backward-compatible, it can still happen that a new bugs occurs with terser, which break your production builds. Make sure to validate your production builds after upgrading to this version. (Note that it's always a good idea to test your output assets before deploying.)

If you want to report bugs to terser (https://github.com/terser-js/terser), please provide a minimal repro case with minimized and non-minimized code. You can configure webpack to generate non-minimized code in production mode by setting optimization.minimize: false. When reporting a bug to terser, best report a repro case which doesn't require running webpack and is reproducible with only the terser command line.

See optimization.minimizers configuration option to switch back to uglify-es or provide additional minimize options for terser.

v4.25.1

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Bugfixes

• fix replacement of compile-time constant expression when expression is a wrapped expression (string prefix and/or suffix).

v4.25.0

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Features

• add format option to DllPlugin to allow generating formated manifest json
• add flags to ProgressPlugin to add and remove information
  • entrypoint counter was added, but disabled by default to avoid breaking change

Bugfixes

• fix code generation for context dependencies when replacing compile-time constant expressions
• disable the effect of the ProvidePlugin for .mjs

v4.24.0

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Features

• allow to pass no dependencies to DefinePlugin runtime value
  • DefinePlugin.runtimeValue(() => {...}, true) is always evaluated
• add module argument to DefinePlugin.runtimeValue

Bugfixes

• update webassemblyjs dependency
• fix bug when using entry names that look like numbers with HMR

v4.23.1

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Bugfixes

• add space when replacing expression with constant
  • i. e. for code like return'development'===process.env.NODE_ENV&&'foo'

v4.23.0

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Features

• add watchMode flag to Compiler to be able to detect watch mode in plugins
• Prefer chunk names of entrypoints when merging chunks
• add removedFiles property to Compiler to detect removed files

Bugfixes

• publish declarations to npm
• upgrade @webassemblyjs/* for bugfix
• fix crash when using a side-effect-free wasm module in production mode

Internal changes

• test on node.js 12
• fix memory leak in test suite

v4.22.0

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Features

• Add support for evaluating && and || expressions

Bugfixes

• fix problems where order of things where not deterministic

Performance

• improve performance of chunk graph creation
  • this will improve rebuild performance in watch mode

v4.21.0

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Features

• add output.libraryTarget: "amd-require" which generates a AMD require([], ...) wrapper instead of a define([], ...) wrapper
• support arrays of strings passed to output.library, which exposes the library to a subproperty

Bugfixes

• fix cases where __webpack_require__.e is used at runtime but is not defined in the bundle
• fix behavior of externals of global type

Performance

• Some performance improvements to the chunk graph generation

v4.20.2

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Bugfixes

• keep comments in export default in concatenated modules

v4.20.1

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Bugfixes

• fix crash when using libraryTarget: "amd" without library name

v4.20.0

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Bugfixes

• update dependencies (webpack-sources, @​webassemblyjs/*)
• Handle errors thrown in renderes without crashing

Internal changes

• Extended typings
• Update internal structure of options schema to generate typings
  • Note: this exposed an issue in webpack-cli, you need to upgrade to [email protected]

v4.19.1

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Bugfixes

• Internal requested filename for import() with target: "electron-main" uses correct path separator on windows
  (This fixes a problem with filemappings in vscode)
• devtool: "source-map" and variants generate SourceMaps when output file is .mjs
• browser field as object is used when using target: "electron-renderer"
• Comments near export default are preserved
• Passing an array as externals value, now works correctly as documented

v4.19.0

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Bugfixes

• Create a hash of the whole runtime code for the chunk/contenthash of entry chunks
  • Before hash was (incorrectly) calculated from (some) inputs

v4.18.1

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Bugfixes

• Update tapable version, which fixes a memory leak

v4.18.0

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Features

• Upgrade webassemblyjs dependency

v4.17.3

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Bugfixes

• Fix exit code when multiple CLIs are installed
• No longer recommend installing webpack-command, but still support it when installed

v4.17.2

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Bugfixes

• fix a spacing issue with the ProgressPlugin on some terminals
• force-upgrade webpack-sources for performance improvement (was already in semver range)

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

v3.12.0

Compare Source

Bugfixes

• Sort modules by index by default
• fix hot.accept creating duplicates when using the DefinePlugin

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