Virtual module with shared ModuleFederation breaks build #20388
Description
Bug Description
Using VirtualUrlPlugin with a module that is supposed to be included in a shared chunk of ModuleFederation causes the build to fail
switch (maybePath.length) {
^
TypeError: Cannot read properties of undefined (reading 'length')
at getType (/Users/d.kholstinin/projects/virtual-mf/node_modules/enhanced-resolve/lib/util/path.js:52:20)
at join (/Users/d.kholstinin/projects/virtual-mf/node_modules/enhanced-resolve/lib/util/path.js:161:10)
at cachedJoin (/Users/d.kholstinin/projects/virtual-mf/node_modules/enhanced-resolve/lib/util/path.js:198:15)
at Resolver.join (/Users/d.kholstinin/projects/virtual-mf/node_modules/enhanced-resolve/lib/Resolver.js:787:10)
at /Users/d.kholstinin/projects/virtual-mf/node_modules/enhanced-resolve/lib/ModulesInHierarchicalDirectoriesPlugin.js:42:18
at Array.map (<anonymous>)
at /Users/d.kholstinin/projects/virtual-mf/node_modules/enhanced-resolve/lib/ModulesInHierarchicalDirectoriesPlugin.js:41:25
at Array.map (<anonymous>)
at /Users/d.kholstinin/projects/virtual-mf/node_modules/enhanced-resolve/lib/ModulesInHierarchicalDirectoriesPlugin.js:40:14
at _next0 (eval at create (/Users/d.kholstinin/projects/virtual-mf/node_modules/tapable/lib/HookCodeFactory.js:31:10), <anonymous>:8:1
Link to Minimal Reproduction and step to reproduce
https://github.com/kholstinin/virtual-mf-bug/tree/main
Steps:
- Run
npm i - Run
npm run build - See error in console
Expected Behavior
Build finished successfully
Actual Behavior
Build failed
Environment
System:
OS: macOS 26.2
CPU: (12) arm64 Apple M3 Pro
Memory: 823.27 MB / 36.00 GB
Binaries:
Node: 24.11.1 - /Users/d.kholstinin/.nvm/versions/node/v24.11.1/bin/node
Yarn: 1.22.22 - /Users/d.kholstinin/.nvm/versions/node/v24.11.1/bin/yarn
npm: 11.6.2 - /Users/d.kholstinin/.nvm/versions/node/v24.11.1/bin/npm
pnpm: 10.24.0 - /Users/d.kholstinin/.nvm/versions/node/v24.11.1/bin/pnpm
Browsers:
Chrome: 144.0.7559.110
Firefox: 144.0
Safari: 26.2
Packages:
webpack: ^5.104.1 => 5.104.1
webpack-cli: ^6.0.1 => 6.0.1Is this a regression?
None
Last Working Version
No response
Additional Context
No response