Dates
Date decoders for validating and parsing date values.
date
date: Decoder<Date> (source)
Accepts and returns Date instances.
Try it
| Input | Result |
|---|---|
| Date { "2026-03-09T10:07:05.572Z" } | |
| 123 ^^^ Must be a Date | |
| "hello" ^^^^^^^ Must be a Date |
isoDate
isoDate: Decoder<Date> (source)
iso8601: Decoder<Date> alias
Available since 2.9.
Accepts ISO8601-formatted strings, returns them
as Date instances.
Try it
| Input | Result |
|---|---|
| Date { "2020-06-01T12:00:00.000Z" } | |
| "2020-06-01" ^^^^^^^^^^^^ Must be ISO8601 format | |
| "hello" ^^^^^^^ Must be ISO8601 format | |
| 123 ^^^ Must be string | |
| new Date('2026-03-09T10:07:05.574Z') ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Must be string |
isoDateString
isoDateString: Decoder<string> (source)
dateString: Decoder<string> deprecatedRenamed to isoDateString in 2.9. Will be removed in the next major release.
Available since 2.9.
Accepts and returns ISO8601-formatted strings.
Try it
| Input | Result |
|---|---|
| "2020-06-01T12:00:00Z" | |
| "2020-06-01" ^^^^^^^^^^^^ Must be ISO8601 format | |
| "hello" ^^^^^^^ Must be ISO8601 format | |
| 123 ^^^ Must be string | |
| new Date('2026-03-09T10:07:05.575Z') ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Must be string |
flexDate
flexDate: Decoder<Date> (source)
datelike: Decoder<Date> deprecatedRenamed to flexDate in 2.9. Will be removed in the next major release.
Available since 2.9.
Accepts either a Date, or an ISO date string, returns a Date instance. This is commonly useful to build decoders that can be reused to validate object with Date instances as well as objects coming from JSON payloads.
Try it
| Input | Result |
|---|---|
| Date { "2024-01-08T12:00:00.000Z" } | |
| Date { "2026-03-09T10:07:05.576Z" } | |
| "2020-06-01" ^^^^^^^^^^^^ Must be ISO8601 format | |
| "hello" ^^^^^^^ Must be ISO8601 format | |
| 123 ^^^ Must be a Date or date string |