build(deps): bump webpack from 5.99.8 to 5.107.0

[dependabot]

Bumps webpack from 5.99.8 to 5.107.0.

Release notes

Sourced from webpack's releases.

v5.107.0

Minor Changes

• Add module.generator.javascript.anonymousDefaultExportName option to control whether webpack sets .name to "default" for anonymous default export functions and classes per ES spec. Defaults to true for applications and false for libraries (when output.library is set) to avoid unnecessary bundle size overhead. Also extract anonymous default export .name fix-up into a shared runtime helper (__webpack_require__.dn), replacing repeated inline Object.defineProperty / Object.getOwnPropertyDescriptor calls with a single short call per module to reduce output size. (by @​xiaoxiaojx in #20894)

• Support module concatenation (scope hoisting) for CSS modules with text, css-style-sheet, style, and link export types (by @​xiaoxiaojx in #20851)

• The generator.exportsConvention function form for CSS modules now accepts string[] in addition to string. (by @​alexander-akait in #20914)

• Add linkInsert hook to CssLoadingRuntimeModule.getCompilationHooks(compilation) so plugin developers can control where stylesheet <link> elements are inserted into the document. (by @​alexander-akait in #20947)

• Add CssModulesPlugin.getCompilationHooks(compilation).orderModules hook. (by @​alexander-akait in #20978)

• Add a pure parser option for css/module and css/auto types matching postcss-modules-local-by-default's pure mode: every selector must contain at least one local class or id, otherwise webpack emits a build error. (by @​alexander-akait in #20946)

• Support CSS Modules @value identifiers as @import URLs and inside url() functions, e.g. @value path: "./other.css"; @import path; and @value bg: "./image.png"; .a { background: url(bg); } (by @​alexander-akait in #20925)

• Add experimental TypeScript support via experiments.typescript: true (auto-enabled by experiments.futureDefaults). Uses Node.js's built-in module.stripTypeScriptTypes (Node.js >= 22.6 with the stable mode: "strip" API, including Node.js 26) to transform .ts, .cts, .mts, data:text/typescript, and data:application/typescript modules — no type checking, only erasable TypeScript (types, generics, import type, casts). .tsx/JSX and non-erasable syntax (enum, namespace, parameter-property constructors, decorator metadata) are NOT supported; use a TSX-capable loader (e.g. ts-loader, swc-loader) for those. (by @​alexander-akait in #20964)

• Added an experiments.html flag that reserves the html module type for the first-class HTML entry-point support. (by @​aryanraj45 in #20902)

• Preserve defer / source import phase keywords on external dependencies in ESM output, the same way import attributes are preserved. (by @​alexander-akait in #20934)

• Support the #__NO_SIDE_EFFECTS__ annotation to mark functions as pure for better tree-shaking. (by @​hai-x in #20775)

• Add module.generator.html.extract for HTML modules and the matching output.htmlFilename / output.htmlChunkFilename filename templates (defaults derived from output.filename / output.chunkFilename with .js swapped for .html, mirroring the CSS pipeline). When extraction is on, the parsed and URL-rewritten HTML is emitted as a standalone .html output file alongside the module's JavaScript export. (by @​alexander-akait in #20979)

• Add "module-sync" to default conditionNames for resolver defaults to align with Node.js, which exposes the module-sync community condition for synchronously-loadable ESM. (by @​alexander-akait in #20933)

Patch Changes

• Fix CSS modules composes so composes: foo from "./self.module.css" from inside self.module.css no longer creates a duplicate module instance. Fix CSS modules composes parsing so local() and global() function wrappers are tracked per class name. Fix CSS modules composes: ... from "<file>" so the composed files load in an order consistent with every rule's local composes order, instead of source first-appearance order. (by @​alexander-akait in #20929)

• Avoid emitting the __webpack_require__ runtime in CSS bundles when all imported CSS modules were concatenated into the same scope. (by @​alexander-akait in #20936)

• Recompute the CSS chunk's [contenthash] and the rendered CSS bytes when an asset referenced by url()/src()/string in CSS changes its hashed filename. (by @​alexander-akait in #20938)

• Embed an inline sourceMappingURL data URI inside the CSS when the parser.exportType option are text, style, or css-style-sheet. Also merge @imported CSS at build time for text and css-style-sheet exportTypes so the bundle ships a single accurate inline source map covering every contributing file. Map each generated CSS-module class export line in the JS bundle back to its selector position in the original CSS file (e.g. btn: "..." → .btn { ... }). (by @​alexander-akait in #20886)

• Fix CSS modules deduplication so a .module.<ext> file imported both directly (JS) and via icss (composes from / :import) becomes a single module instance. (by @​alexander-akait in #20929)

• Preserve @charset at-rule when CSS modules use exportType: "text". (by @​alexander-akait in #20912)

• Resolve [hash]/[fullhash] placeholders in output.publicPath when generating url() references for experiments.css. (by @​alexander-akait in #20879)

• Fix HMR for concatenated CSS modules with style exportType by using stable per-module identifiers for injected style elements and tracking inner module IDs of concatenated modules in HMR records (by @​xiaoxiaojx in #20911)

• Fix CSS Modules @value resolution when the same local name is imported from multiple modules. (by @​alexander-akait in #20940)

• Fix typeof ns.default / ns.default instanceof X on a static import defer * as ns from "./mod" for default-only and default-with-named external modules under optimization.concatenateModules. The concatenated-module rewrite was collapsing ns.default to the deferred-namespace proxy itself instead of routing through the optimized .a getter (which lazily evaluates the module and returns its default value), so typeof ns.default observed "object" (the proxy) rather than the type of the default. The dynamic exportsType already used .a correctly; default-only and default-with-named now match. (by @​alexander-akait in #20910)

... (truncated)

Changelog

Sourced from webpack's changelog.

5.107.0

Minor Changes

• Add module.generator.javascript.anonymousDefaultExportName option to control whether webpack sets .name to "default" for anonymous default export functions and classes per ES spec. Defaults to true for applications and false for libraries (when output.library is set) to avoid unnecessary bundle size overhead. Also extract anonymous default export .name fix-up into a shared runtime helper (__webpack_require__.dn), replacing repeated inline Object.defineProperty / Object.getOwnPropertyDescriptor calls with a single short call per module to reduce output size. (by @​xiaoxiaojx in #20894)

• Support module concatenation (scope hoisting) for CSS modules with text, css-style-sheet, style, and link export types (by @​xiaoxiaojx in #20851)

• The generator.exportsConvention function form for CSS modules now accepts string[] in addition to string. (by @​alexander-akait in #20914)

• Add linkInsert hook to CssLoadingRuntimeModule.getCompilationHooks(compilation) so plugin developers can control where stylesheet <link> elements are inserted into the document. (by @​alexander-akait in #20947)

• Add CssModulesPlugin.getCompilationHooks(compilation).orderModules hook. (by @​alexander-akait in #20978)

• Add a pure parser option for css/module and css/auto types matching postcss-modules-local-by-default's pure mode: every selector must contain at least one local class or id, otherwise webpack emits a build error. (by @​alexander-akait in #20946)

• Support CSS Modules @value identifiers as @import URLs and inside url() functions, e.g. @value path: "./other.css"; @import path; and @value bg: "./image.png"; .a { background: url(bg); } (by @​alexander-akait in #20925)

• Add experimental TypeScript support via experiments.typescript: true (auto-enabled by experiments.futureDefaults). Uses Node.js's built-in module.stripTypeScriptTypes (Node.js >= 22.6 with the stable mode: "strip" API, including Node.js 26) to transform .ts, .cts, .mts, data:text/typescript, and data:application/typescript modules — no type checking, only erasable TypeScript (types, generics, import type, casts). .tsx/JSX and non-erasable syntax (enum, namespace, parameter-property constructors, decorator metadata) are NOT supported; use a TSX-capable loader (e.g. ts-loader, swc-loader) for those. (by @​alexander-akait in #20964)

• Added an experiments.html flag that reserves the html module type for the first-class HTML entry-point support. (by @​aryanraj45 in #20902)

• Preserve defer / source import phase keywords on external dependencies in ESM output, the same way import attributes are preserved. (by @​alexander-akait in #20934)

• Support the #__NO_SIDE_EFFECTS__ annotation to mark functions as pure for better tree-shaking. (by @​hai-x in #20775)

• Add module.generator.html.extract for HTML modules and the matching output.htmlFilename / output.htmlChunkFilename filename templates (defaults derived from output.filename / output.chunkFilename with .js swapped for .html, mirroring the CSS pipeline). When extraction is on, the parsed and URL-rewritten HTML is emitted as a standalone .html output file alongside the module's JavaScript export. (by @​alexander-akait in #20979)

• Add "module-sync" to default conditionNames for resolver defaults to align with Node.js, which exposes the module-sync community condition for synchronously-loadable ESM. (by @​alexander-akait in #20933)

Patch Changes

• Fix CSS modules composes so composes: foo from "./self.module.css" from inside self.module.css no longer creates a duplicate module instance. Fix CSS modules composes parsing so local() and global() function wrappers are tracked per class name. Fix CSS modules composes: ... from "<file>" so the composed files load in an order consistent with every rule's local composes order, instead of source first-appearance order. (by @​alexander-akait in #20929)

• Avoid emitting the __webpack_require__ runtime in CSS bundles when all imported CSS modules were concatenated into the same scope. (by @​alexander-akait in #20936)

• Recompute the CSS chunk's [contenthash] and the rendered CSS bytes when an asset referenced by url()/src()/string in CSS changes its hashed filename. (by @​alexander-akait in #20938)

• Embed an inline sourceMappingURL data URI inside the CSS when the parser.exportType option are text, style, or css-style-sheet. Also merge @imported CSS at build time for text and css-style-sheet exportTypes so the bundle ships a single accurate inline source map covering every contributing file. Map each generated CSS-module class export line in the JS bundle back to its selector position in the original CSS file (e.g. btn: "..." → .btn { ... }). (by @​alexander-akait in #20886)

• Fix CSS modules deduplication so a .module.<ext> file imported both directly (JS) and via icss (composes from / :import) becomes a single module instance. (by @​alexander-akait in #20929)

• Preserve @charset at-rule when CSS modules use exportType: "text". (by @​alexander-akait in #20912)

• Resolve [hash]/[fullhash] placeholders in output.publicPath when generating url() references for experiments.css. (by @​alexander-akait in #20879)

• Fix HMR for concatenated CSS modules with style exportType by using stable per-module identifiers for injected style elements and tracking inner module IDs of concatenated modules in HMR records (by @​xiaoxiaojx in #20911)

• Fix CSS Modules @value resolution when the same local name is imported from multiple modules. (by @​alexander-akait in #20940)

... (truncated)

Commits

• 4657874 chore(release): new release (#20848)
• 7ba46b9 docs: simplify changelog
• 0b7de2f feat: support require(esm) "module.exports" named-export interop (#20981)
• f8076be build: upgrade typescript to v6 (#20982)
• 45a1bab feat(html): add module.generator.html.extract option (#20979)
• 490684a test: add full WHATWG lexer integration tests (#20974)
• 41d236c chore(deps): bump the dependencies group across 1 directory with 19 updates (...
• 865c051 fix: parse # in relative and absolute path directory names as part of the p...
• 561ee9b feat: added CssModulesPlugin.getCompilationHooks(compilation).orderModules ...
• dba0399 refactor(test): migrate errors.js/warnings.js to Jest snapshots (#20966)
• Additional commits viewable in compare view

Maintainer changes

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