Using nested rxjs iif operators not working as expected

The following is just a section of the code, but should be enough.

In this case the allocateEquipment gets called when eq is an empty array and dryRun is true.

...

tap(a => console.log(a)), // logs [] length:0
concatMap(eq =>
iif(() => Array.isArray(eq) && eq.length > 0,
iif(() => dryRun, of(eq), this.allocatEquipment(of(eq)))
, EMPTY)
)


Expected to return EMPTY

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