(u: unknown): u is TimeZone.OffsetChecks whether a value is an offset-based TimeZone.
When to use
Use when you need to narrow an unknown or union TimeZone value to the
fixed-offset variant before reading its offset in milliseconds.
Source effect/DateTime.ts:4491 lines
export const const isTimeZoneOffset: (
u: unknown
) => u is TimeZone.Offset
Checks whether a value is an offset-based TimeZone.
When to use
Use when you need to narrow an unknown or union TimeZone value to the
fixed-offset variant before reading its offset in milliseconds.
isTimeZoneOffset: (u: unknownu: unknown) => u: unknownu is TimeZone.interface TimeZone.OffsetFixed-offset time zone.
Details
The offset is measured in milliseconds from UTC. Positive offsets are
ahead of UTC, and negative offsets are behind UTC.
Offset = import InternalInternal.const isTimeZoneOffset: (
u: unknown
) => u is TimeZone.Offset
Referenced by 1 symbols