fn into_computed(self) -> Result<ComputedDuration, InvalidDuration>
        where
            Self: Sized,
        {
            // In the browser, this function should never be called
            unreachable!("computed durations can only be created on the engine-side")
        }
Converts this into a `[ComputedDuration]` for use in Perseus'
internal revalidation systems.
packages/perseus/src/utils/decode_time_str.rs