| const DT_SEPARATOR = /t|\s/i |
| const DATE = /^(\d\d\d\d)-(\d\d)-(\d\d)$/ |
| const TIME = /^(\d\d):(\d\d):(\d\d)(?:\.\d+)?(?:z|([+-]\d\d)(?::?(\d\d))?)$/i |
| const DAYS = [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31] |
| |
| export default function validTimestamp(str: string, allowDate: boolean): boolean { |
| // http://tools.ietf.org/html/rfc3339#section-5.6 |
| const dt: string[] = str.split(DT_SEPARATOR) |
| return ( |
| (dt.length === 2 && validDate(dt[0]) && validTime(dt[1])) || |
| (allowDate && dt.length === 1 && validDate(dt[0])) |
| ) |
| } |
| |
| function validDate(str: string): boolean { |
| const matches: string[] | null = DATE.exec(str) |
| if (!matches) return false |
| const y: number = +matches[1] |
| const m: number = +matches[2] |
| const d: number = +matches[3] |
| return ( |
| m >= 1 && |
| m <= 12 && |
| d >= 1 && |
| (d <= DAYS[m] || |
| // leap year: https://tools.ietf.org/html/rfc3339#appendix-C |
| (m === 2 && d === 29 && (y % 100 === 0 ? y % 400 === 0 : y % 4 === 0))) |
| ) |
| } |
| |
| function validTime(str: string): boolean { |
| const matches: string[] | null = TIME.exec(str) |
| if (!matches) return false |
| const hr: number = +matches[1] |
| const min: number = +matches[2] |
| const sec: number = +matches[3] |
| const tzH: number = +(matches[4] || 0) |
| const tzM: number = +(matches[5] || 0) |
| return ( |
| (hr <= 23 && min <= 59 && sec <= 59) || |
| // leap second |
| (hr - tzH === 23 && min - tzM === 59 && sec === 60) |
| ) |
| } |
| |
| validTimestamp.code = 'require("ajv/dist/runtime/timestamp").default' |