fix(@angular/cli): resolve correct registry name when using npm alias syntax during update#33565
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This pull request adds support for resolving and updating npm packages that use the npm alias syntax (e.g., npm:alias-package@version). It updates the RegistryClient to handle registry name mapping, introduces a helper to parse alias names and ranges, and modifies the dependency update logic to preserve alias prefixes. A review comment points out a critical bug in the alias parsing logic where scoped packages without a version range (e.g., npm:@scope/pkg) would cause lastIndexOf('@') to return 0, leading to an invalid dependency entry. A suggestion is provided to ensure lastAtIndex > 0 to prevent this issue.
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… syntax during update When a dependency uses the npm alias syntax (e.g. "@typescript/lib-dom": "npm:@types/web@^0.0.99"), ng update needs to fetch registry metadata for the actual package name (@types/web) rather than the local alias name (@typescript/lib-dom). Introduce a RegistryClient helper to intercept and translate package names before querying registry metadata or manifest info, renaming the results back to the local alias name to maintain compatibility with the rest of the resolver logic. Also update applyUpdatePlan to correctly parse and preserve alias prefixes when writing back to package.json, supporting scoped packages correctly.
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When a dependency uses the npm alias syntax (e.g. "@typescript/lib-dom": "npm:@types/web@^0.0.99"), ng update needs to fetch registry metadata for the actual package name (@types/web) rather than the local alias name (@typescript/lib-dom).
Introduce a RegistryClient helper to intercept and translate package names before querying registry metadata or manifest info, renaming the results back to the local alias name to maintain compatibility with the rest of the resolver logic.
Also update applyUpdatePlan to correctly parse and preserve alias prefixes when writing back to package.json, supporting scoped packages correctly.
Closes #25224