Here is what the Hong Kong Disneyland website says:
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As required by the government and health authorities and in line with prevention efforts taking place across Hong Kong, Hong Kong Disneyland Park will temporarily close from Jan 7 to Feb 17, 2022.
The resort hotels will remain open with adjusted level of services. Service at restaurants and recreation facilities in hotels will be adjusted according to the latest regulations.
These arrangements will be adjusted from time to time with reference to the latest government requirements.
Unused Park Tickets and/or Designated In-Park Products with expiry dates falling within the Park’s temporary closure period (from January 7 to Feb 17, 2022) will be extended. For hotel bookings with check-in date falling within this period, free cancellation can be arranged if required. The validity date for Magic Access Memberships will also be extended. More details will be communicated through our official website when park reopens.