refactor(@angular/cli): migrate ng add to new package manager abstraction#31543
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clydin wants to merge 3 commits intoangular:mainfrom
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refactor(@angular/cli): migrate ng add to new package manager abstraction#31543clydin wants to merge 3 commits intoangular:mainfrom
ng add to new package manager abstraction#31543clydin wants to merge 3 commits intoangular:mainfrom
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…ifest The `getPackageManifest` method in the package manager abstraction was previously limited to fetching manifests from an NPM registry. This commit refactors the method to accept a generic `packageSpecifier` string. This allows the abstraction to leverage the underlying package manager's native ability to read manifests from various sources, including local tarballs (`.tgz`), local directories (`file:`), and git URLs, in addition to registry specifiers. This makes the `PackageManager` class more robust and capable of handling all package sources supported by commands like `ng add`.
…action This commit fully refactors the `ng add` command to use the new, centralized package manager abstraction. All package installation and metadata fetching logic now goes through the new API. This includes: - Using `createPackageManager` to detect the project's package manager. - Replacing `fetchPackageMetadata` with `packageManager.getRegistryMetadata`. - Replacing `fetchPackageManifest` with `packageManager.getPackageManifest`. - Replacing the `install` and `installTemp` methods with the `packageManager.add` and `packageManager.acquireTempPackage` methods. This change improves security by eliminating `shell: true` execution as well as enhances reliability with better error handling and caching.
The `ng add` command's version discovery mechanism could be slow when the `latest` tag of a package was incompatible, as it would fall back to exhaustively fetching the manifest for every available version. This commit introduces a performance optimization that uses a heuristic-based search. The new logic first identifies the latest release within each major version line and checks only those for compatibility. This dramatically reduces the number of network requests in the common case where peer dependency conflicts align with major versions. The exhaustive, version-by-version search is retained as a fallback to ensure correctness in edge cases.
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This commit fully refactors the
ng addcommand to use the new, centralized package manager abstraction.All package installation and metadata fetching logic now goes through the new API. This includes:
createPackageManagerto detect the project's package manager.fetchPackageMetadatawithpackageManager.getRegistryMetadata.fetchPackageManifestwithpackageManager.getPackageManifest.installandinstallTempmethods with thepackageManager.addandpackageManager.acquireTempPackagemethods.This change improves security by eliminating
shell: trueexecution as well as enhances reliability with better error handling and caching.