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Refactor a few things out of `util.ts` #11548

Job	Run time
Split workflow (ubuntu-latest, linked)	1m 7s
Split workflow (macos-latest, nightly-latest)	1m 25s
Split workflow (macos-latest, linked)	2m 24s
Split workflow (macos-latest, default)	2m 21s
Split workflow (ubuntu-latest, default)	1m 10s
Split workflow (ubuntu-latest, nightly-latest)	1m 14s
	9m 41s