v5.105.0

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Minor Changes

• Allow resolving worker module by export condition name when using new Worker() (by @​hai-x in #​20353)

• Detect conditional imports to avoid compile-time linking errors for non-existent exports. (by @​hai-x in #​20320)

• Added the tsconfig option for the resolver options (replacement for tsconfig-paths-webpack-plugin). Can be false (disabled), true (use the default tsconfig.json file to search for it), a string path to tsconfig.json, or an object with configFile and references options. (by @​alexander-akait in #​20400)

• Support import.defer() for context modules. (by @​ahabhgk in #​20399)

• Added support for array values ​​to the devtool option. (by @​hai-x in #​20191)

• Improve rendering node built-in modules for ECMA module output. (by @​hai-x in #​20255)

• Unknown import.meta properties are now determined at runtime instead of being statically analyzed at compile time. (by @​xiaoxiaojx in #​20312)

Patch Changes

• Fixed ESM default export handling for .mjs files in Module Federation (by @​y-okt in #​20189)

• Optimized import.meta.env handling in destructuring assignments by using cached stringified environment definitions. (by @​xiaoxiaojx in #​20313)

• Respect the stats.errorStack option in stats output. (by @​samarthsinh2660 in #​20258)

• Fixed a bug where declaring a module variable in module scope would conflict with the default moduleArgument. (by @​xiaoxiaojx in #​20265)

• Fix VirtualUrlPlugin to set resourceData.context for proper module resolution. Previously, when context was not set, it would fallback to the virtual scheme path (e.g., virtual:routes), which is not a valid filesystem path, causing subsequent resolve operations to fail. (by @​xiaoxiaojx in #​20390)

• Fixed Worker self-import handling to support various URL patterns (e.g., import.meta.url, new URL(import.meta.url), new URL(import.meta.url, import.meta.url), new URL("./index.js", import.meta.url)). Workers that resolve to the same module are now properly deduplicated, regardless of the URL syntax used. (by @​xiaoxiaojx in #​20381)

• Reuse the same async entrypoint for the same Worker URL within a module to avoid circular dependency warnings when multiple Workers reference the same resource. (by @​xiaoxiaojx in #​20345)

• Fixed a bug where a self-referencing dependency would have an unused export name when imported inside a web worker. (by @​samarthsinh2660 in #​20251)

• Fix missing export generation when concatenated modules in different chunks share the same runtime in module library bundles. (by @​hai-x in #​20346)

• Fixed import.meta.env.xxx behavior: when accessing a non-existent property, it now returns empty object instead of full object at runtime. (by @​xiaoxiaojx in #​20289)

• Improved parsing error reporting by adding a link to the loader documentation. (by @​gaurav10gg in #​20244)

• Fix typescript types. (by @​alexander-akait in #​20305)

• Add declaration for unused harmony import specifier. (by @​hai-x in #​20286)

• Fix compressibility of modules while retaining portability. (by @​dmichon-msft in #​20287)

• Optimize source map generation: only include ignoreList property when it has content, avoiding empty arrays in source maps. (by @​xiaoxiaojx in #​20319)

• Preserve star exports for dependencies in ECMA module output. (by @​hai-x in #​20293)

• Consider asset modulem to be side-effect free. (by @​hai-x in #​20352)

• Avoid generating JavaScript modules for CSS exports that are not used, reducing unnecessary output and bundle size. (by @​xiaoxiaojx in #​20337)