feat(core): implement `exploreDirectory` method #2342

Job	Run time
eslint	1m 24s
Check coding style	10s
Check version consistency of packages	32s
Tests (macos-latest, Node 18.x)	5m 40s
Tests (macos-latest, Node 20.x)	5m 12s
Tests (ubuntu-latest, Node 18.x)	2m 0s
Tests (ubuntu-latest, Node 20.x)	2m 10s
Tests (windows-latest, Node 18.x)	4m 52s
Tests (windows-latest, Node 20.x)	16m 2s
	38m 2s

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