-function isVideoDurationValid (value: string) {
- // https://www.w3.org/TR/activitystreams-vocabulary/#dfn-duration
- return exists(value) &&
- typeof value === 'string' &&
- value.startsWith('PT') &&
- value.endsWith('S') &&
- validator.isInt(value.replace(/[^0-9]+/, ''), VIDEOS_CONSTRAINTS_FIELDS.DURATION)
-}
-