refactor(module-federation): consolidate getModuleFederationConfig implementations

[adwait1290]

Current Behavior

The getModuleFederationConfig function is implemented separately in 4 places with 70-80% duplicate code:

• with-module-federation/webpack/utils.ts (161 lines)
• with-module-federation/rspack/utils.ts (150 lines)
• with-module-federation/angular/utils.ts - async version (~80 lines)
• with-module-federation/angular/utils.ts - sync version (~80 lines)

Each implementation repeats the same core logic:

1. Get project from graph
2. Get and filter dependencies
3. Share workspace libraries and npm packages
4. Apply eager packages
5. Map remotes

Expected Behavior

A single shared implementation with framework-specific configuration via a FrameworkConfig interface. Each bundler utility becomes a thin wrapper that provides its specific configuration.

Changes

File	Before	After	Change
webpack/utils.ts	161 lines	54 lines	-107 lines
rspack/utils.ts	150 lines	51 lines	-99 lines
angular/utils.ts	273 lines	119 lines	-154 lines
NEW module-federation-config.ts	-	289 lines	+289 lines

Net reduction: 41 lines, with significantly improved maintainability

New Shared Utility

Created packages/module-federation/src/utils/module-federation-config.ts with:

• FrameworkConfig interface for bundler-specific customization
• ModuleFederationConfigResult interface for type-safe return values
• getModuleFederationConfigAsync() - for webpack/angular async configs
• getModuleFederationConfigSync() - for rspack/angular sync configs
• createDefaultRemoteUrlResolver() - shared remote URL generation
• Caching for NX_MF_DEV_SERVER_STATIC_REMOTES env variable parsing (performance)

Benefits

1. Single source of truth: Bug fixes and improvements only need to be made once
2. Better maintainability: Framework-specific behavior is clearly separated via config
3. Performance: Added caching for env variable parsing
4. Type safety: New interfaces provide better IntelliSense and compile-time checks
5. Backward compatible: All existing exports and behavior preserved

Related Issue(s)

N/A - This is a refactoring for improved code maintainability and performance.

Merge Dependencies

Must be merged AFTER: #33734

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☁️ Nx Cloud last updated this comment at 2025-12-12 12:47:25 UTC

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