It depends.
If she meets the requirements of the Military Spouse Residency Relief Act (MSRRA) as outlined in the link below, she may only be taxed in her resident state.
Military spouse earnings - MSRRA
If she moved to Hawaii to be with you from Pennsylvania, how she filed depends upon the type of income she has. See the link below for more details for Hawaii and Pennsylvania as her filing requirement does depend upon your particular situation.
Hawaii filing as resident or nonresident
PA filing for military spouse
If you need further clarification, please comment with her type of income and what her state of residence was prior to you moving to Hawaii.
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"