isValidDuration

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Signature

isValidDuration(value: string): boolean

import { isValidDuration } from "@northguild/gmt/duration/validate";

Return true if value is a valid ISO 8601 duration string.

• Uses Temporal.Duration.from to validate.
• Accepts date, time, and combined durations, including negative and fractional units.

Parameters

Parameter	Type	Description
value	string	ISO 8601 duration string

Returns

true if value is a valid ISO 8601 duration string, or false on invalid input

Examples

isValidDuration("P1DT2H30M") // true
isValidDuration("PT0S") // true
isValidDuration("-P1D") // true
isValidDuration("not a duration") // false
isValidDuration("") // false

Source

duration/validate/isValidDuration.ts