How to use the @tds/shared-typography.helveticaNeueLight45.fontWeight function in @tds/shared-typography

.CalendarDay__default.CalendarDay__selected:active
    .CalendarDay__default.CalendarDay__selected:hover {
    color: ${colorWhite};
    text-decoration: none;
    &:before {
      background: ${colorTelusPurple};
    }
  }

  .CalendarDay__blocked_out_of_range,
  .CalendarDay__blocked_out_of_range:active,
  .CalendarDay__blocked_out_of_range:hover,
  .CalendarDay__blocked_calendar,
  .CalendarDay__blocked_calendar:active,
  .CalendarDay__blocked_calendar:hover {
    font-weight: ${helveticaNeueLight45.fontWeight};
    background: ${colorWhite};
    background-clip: padding-box;
    color: ${colorShuttleGrey};
    text-decoration: none;
    &:before {
      content: none;
    }
  }
`
)

.CalendarDay__default.CalendarDay__selected:active
    .CalendarDay__default.CalendarDay__selected:hover {
    color: ${colorWhite};
    text-decoration: none;
    &:before {
      background: ${colorTelusPurple};
    }
  }

  .CalendarDay__blocked_out_of_range,
  .CalendarDay__blocked_out_of_range:active,
  .CalendarDay__blocked_out_of_range:hover,
  .CalendarDay__blocked_calendar,
  .CalendarDay__blocked_calendar:active,
  .CalendarDay__blocked_calendar:hover {
    font-weight: ${helveticaNeueLight45.fontWeight};
    background: ${colorWhite};
    color: ${colorShuttleGrey};
    text-decoration: none;
    &:before {
      content: none;
    }
  }
`

export const LabelText = styled.div`
  margin-bottom: 0.5rem;
  font-weight: ${helveticaNeueMedium65.fontWeight};
`

export default {
  CalendarContainer,