refactor(@angular/build): use boundary resolution for sourcemap gener… #4319

Job	Run time
list	41s
workflow (build-cli)	1m 35s
workflow (modules-builder-tests)	2m 13s
workflow (devkit-core-tests-rerun)	1m 45s
workflow (devkit-core-tests)	1m 34s
workflow (build-unit-tests)	3m 12s
	11m 0s

Navigation Menu