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Refactor a few things out of `util.ts` #7264

Job	Run time
Build mode autobuild (windows-latest, linked)	3m 0s
Build mode autobuild (ubuntu-latest, nightly-latest)	1m 8s
Build mode autobuild (ubuntu-latest, linked)	1m 23s
Build mode autobuild (windows-latest, nightly-latest)	3m 20s
	8m 51s