2023-10-03 11:14:36 +08:00
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import type {Format, FormatDefinition} from "ajv"
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import type {FormatValidator, FormatCompare} from "ajv/dist/types"
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export type FormatMode = "fast" | "full"
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export type FormatName =
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| "date"
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| "time"
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| "date-time"
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| "duration"
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| "uri"
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| "uri-reference"
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| "uri-template"
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| "url"
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| "email"
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| "hostname"
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| "ipv4"
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| "ipv6"
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| "regex"
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| "uuid"
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| "json-pointer"
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| "json-pointer-uri-fragment"
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| "relative-json-pointer"
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export type DefinedFormats = {
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[key in FormatName]: Format
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}
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function fmtDef(
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validate: RegExp | FormatValidator<string>,
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compare: FormatCompare<string>
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): FormatDefinition<string> {
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return {validate, compare}
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}
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export const fullFormats: DefinedFormats = {
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// date: http://tools.ietf.org/html/rfc3339#section-5.6
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date: fmtDef(date, compareDate),
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// date-time: http://tools.ietf.org/html/rfc3339#section-5.6
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time: fmtDef(time, compareTime),
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"date-time": fmtDef(date_time, compareDateTime),
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// duration: https://tools.ietf.org/html/rfc3339#appendix-A
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duration: /^P(?!$)((\d+Y)?(\d+M)?(\d+D)?(T(?=\d)(\d+H)?(\d+M)?(\d+S)?)?|(\d+W)?)$/,
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uri,
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"uri-reference": /^(?:[a-z][a-z0-9+\-.]*:)?(?:\/?\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:]|%[0-9a-f]{2})*@)?(?:\[(?:(?:(?:(?:[0-9a-f]{1,4}:){6}|::(?:[0-9a-f]{1,4}:){5}|(?:[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){4}|(?:(?:[0-9a-f]{1,4}:){0,1}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){3}|(?:(?:[0-9a-f]{1,4}:){0,2}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){2}|(?:(?:[0-9a-f]{1,4}:){0,3}[0-9a-f]{1,4})?::[0-9a-f]{1,4}:|(?:(?:[0-9a-f]{1,4}:){0,4}[0-9a-f]{1,4})?::)(?:[0-9a-f]{1,4}:[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?))|(?:(?:[0-9a-f]{1,4}:){0,5}[0-9a-f]{1,4})?::[0-9a-f]{1,4}|(?:(?:[0-9a-f]{1,4}:){0,6}[0-9a-f]{1,4})?::)|[Vv][0-9a-f]+\.[a-z0-9\-._~!$&'()*+,;=:]+)\]|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)|(?:[a-z0-9\-._~!$&'"()*+,;=]|%[0-9a-f]{2})*)(?::\d*)?(?:\/(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})*)*|\/(?:(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})*)*)?|(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})*)*)?(?:\?(?:[a-z0-9\-._~!$&'"()*+,;=:@/?]|%[0-9a-f]{2})*)?(?:#(?:[a-z0-9\-._~!$&'"()*+,;=:@/?]|%[0-9a-f]{2})*)?$/i,
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// uri-template: https://tools.ietf.org/html/rfc6570
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"uri-template": /^(?:(?:[^\x00-\x20"'<>%\\^`{|}]|%[0-9a-f]{2})|\{[+#./;?&=,!@|]?(?:[a-z0-9_]|%[0-9a-f]{2})+(?::[1-9][0-9]{0,3}|\*)?(?:,(?:[a-z0-9_]|%[0-9a-f]{2})+(?::[1-9][0-9]{0,3}|\*)?)*\})*$/i,
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// For the source: https://gist.github.com/dperini/729294
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// For test cases: https://mathiasbynens.be/demo/url-regex
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url: /^(?:https?|ftp):\/\/(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z0-9\u{00a1}-\u{ffff}]+-)*[a-z0-9\u{00a1}-\u{ffff}]+)(?:\.(?:[a-z0-9\u{00a1}-\u{ffff}]+-)*[a-z0-9\u{00a1}-\u{ffff}]+)*(?:\.(?:[a-z\u{00a1}-\u{ffff}]{2,})))(?::\d{2,5})?(?:\/[^\s]*)?$/iu,
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email: /^[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$/i,
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hostname: /^(?=.{1,253}\.?$)[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?(?:\.[a-z0-9](?:[-0-9a-z]{0,61}[0-9a-z])?)*\.?$/i,
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// optimized https://www.safaribooksonline.com/library/view/regular-expressions-cookbook/9780596802837/ch07s16.html
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ipv4: /^(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)$/,
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ipv6: /^((([0-9a-f]{1,4}:){7}([0-9a-f]{1,4}|:))|(([0-9a-f]{1,4}:){6}(:[0-9a-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9a-f]{1,4}:){5}(((:[0-9a-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9a-f]{1,4}:){4}(((:[0-9a-f]{1,4}){1,3})|((:[0-9a-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9a-f]{1,4}:){3}(((:[0-9a-f]{1,4}){1,4})|((:[0-9a-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9a-f]{1,4}:){2}(((:[0-9a-f]{1,4}){1,5})|((:[0-9a-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9a-f]{1,4}:){1}(((:[0-9a-f]{1,4}){1,6})|((:[0-9a-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9a-f]{1,4}){1,7})|((:[0-9a-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))$/i,
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regex,
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// uuid: http://tools.ietf.org/html/rfc4122
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uuid: /^(?:urn:uuid:)?[0-9a-f]{8}-(?:[0-9a-f]{4}-){3}[0-9a-f]{12}$/i,
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// JSON-pointer: https://tools.ietf.org/html/rfc6901
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// uri fragment: https://tools.ietf.org/html/rfc3986#appendix-A
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"json-pointer": /^(?:\/(?:[^~/]|~0|~1)*)*$/,
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"json-pointer-uri-fragment": /^#(?:\/(?:[a-z0-9_\-.!$&'()*+,;:=@]|%[0-9a-f]{2}|~0|~1)*)*$/i,
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// relative JSON-pointer: http://tools.ietf.org/html/draft-luff-relative-json-pointer-00
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"relative-json-pointer": /^(?:0|[1-9][0-9]*)(?:#|(?:\/(?:[^~/]|~0|~1)*)*)$/,
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}
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export const fastFormats: DefinedFormats = {
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...fullFormats,
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date: fmtDef(/^\d\d\d\d-[0-1]\d-[0-3]\d$/, compareDate),
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time: fmtDef(
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/^(?:[0-2]\d:[0-5]\d:[0-5]\d|23:59:60)(?:\.\d+)?(?:z|[+-]\d\d(?::?\d\d)?)?$/i,
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compareTime
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),
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"date-time": fmtDef(
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/^\d\d\d\d-[0-1]\d-[0-3]\d[t\s](?:[0-2]\d:[0-5]\d:[0-5]\d|23:59:60)(?:\.\d+)?(?:z|[+-]\d\d(?::?\d\d)?)$/i,
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compareDateTime
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),
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// uri: https://github.com/mafintosh/is-my-json-valid/blob/master/formats.js
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uri: /^(?:[a-z][a-z0-9+\-.]*:)(?:\/?\/)?[^\s]*$/i,
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"uri-reference": /^(?:(?:[a-z][a-z0-9+\-.]*:)?\/?\/)?(?:[^\\\s#][^\s#]*)?(?:#[^\\\s]*)?$/i,
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// email (sources from jsen validator):
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// http://stackoverflow.com/questions/201323/using-a-regular-expression-to-validate-an-email-address#answer-8829363
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// http://www.w3.org/TR/html5/forms.html#valid-e-mail-address (search for 'wilful violation')
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email: /^[a-z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?(?:\.[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?)*$/i,
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}
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export const formatNames = Object.keys(fullFormats) as FormatName[]
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function isLeapYear(year: number): boolean {
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// https://tools.ietf.org/html/rfc3339#appendix-C
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return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0)
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}
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const DATE = /^(\d\d\d\d)-(\d\d)-(\d\d)$/
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const DAYS = [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
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function date(str: string): boolean {
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// full-date from http://tools.ietf.org/html/rfc3339#section-5.6
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const matches: string[] | null = DATE.exec(str)
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if (!matches) return false
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const year: number = +matches[1]
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const month: number = +matches[2]
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const day: number = +matches[3]
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return (
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month >= 1 &&
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month <= 12 &&
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day >= 1 &&
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day <= (month === 2 && isLeapYear(year) ? 29 : DAYS[month])
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)
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}
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function compareDate(d1: string, d2: string): number | undefined {
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if (!(d1 && d2)) return undefined
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if (d1 > d2) return 1
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if (d1 < d2) return -1
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return 0
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}
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const TIME = /^(\d\d):(\d\d):(\d\d)(\.\d+)?(z|[+-]\d\d(?::?\d\d)?)?$/i
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function time(str: string, withTimeZone?: boolean): boolean {
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const matches: string[] | null = TIME.exec(str)
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if (!matches) return false
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const hour: number = +matches[1]
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const minute: number = +matches[2]
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const second: number = +matches[3]
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const timeZone: string = matches[5]
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return (
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((hour <= 23 && minute <= 59 && second <= 59) ||
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(hour === 23 && minute === 59 && second === 60)) &&
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(!withTimeZone || timeZone !== "")
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)
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}
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function compareTime(t1: string, t2: string): number | undefined {
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if (!(t1 && t2)) return undefined
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const a1 = TIME.exec(t1)
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const a2 = TIME.exec(t2)
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if (!(a1 && a2)) return undefined
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t1 = a1[1] + a1[2] + a1[3] + (a1[4] || "")
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t2 = a2[1] + a2[2] + a2[3] + (a2[4] || "")
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if (t1 > t2) return 1
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if (t1 < t2) return -1
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return 0
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}
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const DATE_TIME_SEPARATOR = /t|\s/i
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function date_time(str: string): boolean {
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// http://tools.ietf.org/html/rfc3339#section-5.6
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const dateTime: string[] = str.split(DATE_TIME_SEPARATOR)
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return dateTime.length === 2 && date(dateTime[0]) && time(dateTime[1], true)
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}
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function compareDateTime(dt1: string, dt2: string): number | undefined {
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if (!(dt1 && dt2)) return undefined
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const [d1, t1] = dt1.split(DATE_TIME_SEPARATOR)
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const [d2, t2] = dt2.split(DATE_TIME_SEPARATOR)
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const res = compareDate(d1, d2)
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if (res === undefined) return undefined
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return res || compareTime(t1, t2)
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}
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const NOT_URI_FRAGMENT = /\/|:/
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const URI = /^(?:[a-z][a-z0-9+\-.]*:)(?:\/?\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:]|%[0-9a-f]{2})*@)?(?:\[(?:(?:(?:(?:[0-9a-f]{1,4}:){6}|::(?:[0-9a-f]{1,4}:){5}|(?:[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){4}|(?:(?:[0-9a-f]{1,4}:){0,1}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){3}|(?:(?:[0-9a-f]{1,4}:){0,2}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){2}|(?:(?:[0-9a-f]{1,4}:){0,3}[0-9a-f]{1,4})?::[0-9a-f]{1,4}:|(?:(?:[0-9a-f]{1,4}:){0,4}[0-9a-f]{1,4})?::)(?:[0-9a-f]{1,4}:[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?))|(?:(?:[0-9a-f]{1,4}:){0,5}[0-9a-f]{1,4})?::[0-9a-f]{1,4}|(?:(?:[0-9a-f]{1,4}:){0,6}[0-9a-f]{1,4})?::)|[Vv][0-9a-f]+\.[a-z0-9\-._~!$&'()*+,;=:]+)\]|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)|(?:[a-z0-9\-._~!$&'()*+,;=]|%[0-9a-f]{2})*)(?::\d*)?(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*|\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*)?|(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*)(?:\?(?:[a-z0-9\-._~!$&'()*+,;=:@/?]|%[0-9a-f]{2})*)?(?:#(?:[a-z0-9\-._~!$&'()*+,;=:@/?]|%[0-9a-f]{2})*)?$/i
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function uri(str: string): boolean {
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// http://jmrware.com/articles/2009/uri_regexp/URI_regex.html + optional protocol + required "."
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return NOT_URI_FRAGMENT.test(str) && URI.test(str)
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}
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const Z_ANCHOR = /[^\\]\\Z/
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function regex(str: string): boolean {
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if (Z_ANCHOR.test(str)) return false
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try {
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new RegExp(str)
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return true
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} catch (e) {
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return false
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}
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}
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