fix(@angular/build): inject source-map-support for Vitest browser tests#32114
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This change ensures that `source-map-support` is injected into the setup files when running Vitest tests in a browser environment. This allows stack traces from failing tests to correctly map back to the original source files, significantly improving debugging capabilities. A regression test has been added to `tests/vitest/browser-sourcemaps.ts` to verify that a failing test correctly identifies the source file in its stack trace.
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This change ensures that
source-map-supportis injected into the setup files when running Vitest tests in a browser environment. This allows stack traces from failing tests to correctly map back to the original source files, significantly improving debugging capabilities.A regression test has been added to
tests/vitest/browser-sourcemaps.tsto verify that a failing test correctly identifies the source file in its stack trace.Closes #32097