refactor(@angular/build): improve Vitest configuration merging#31756
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clydin merged 1 commit intoangular:mainfrom Nov 12, 2025
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refactor(@angular/build): improve Vitest configuration merging#31756clydin merged 1 commit intoangular:mainfrom
clydin merged 1 commit intoangular:mainfrom
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This commit refactors the Vitest configuration handling within the unit test builder to more reliably merge the CLI-generated configuration with a user's `vitest-base.config.ts` file. The new implementation uses Vitest's `mergeConfig` utility to create a layered configuration, ensuring that essential CLI settings (such as test entry points and in-memory file providers) are preserved while still allowing users to customize other options. This prevents user configurations from inadvertently overriding critical builder settings, leading to a more stable and predictable testing experience.
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This commit refactors the Vitest configuration handling within the unit test builder to more reliably merge the CLI-generated configuration with a user's
vitest-base.config.tsfile.The new implementation uses Vitest's
mergeConfigutility to create a layered configuration, ensuring that essential CLI settings (such as test entry points and in-memory file providers) are preserved while still allowing users to customize other options. This prevents user configurations from inadvertently overriding critical builder settings, leading to a more stable and predictable testing experience.