71 lines
2.8 KiB
TypeScript
71 lines
2.8 KiB
TypeScript
|
const tzComponent = /\.[-A-Za-z_]|\.\.[-A-Za-z._]{1,12}|\.[-A-Za-z_][-A-Za-z._]{0,12}|[A-Za-z_][-A-Za-z._]{0,13}/;
|
||
|
|
const offsetNoCapture = /(?:[+\u2212-][0-2][0-9](?::?[0-5][0-9](?::?[0-5][0-9](?:[.,]\d{1,9})?)?)?)/;
|
||
|
|
export const timeZoneID = new RegExp(
|
||
|
|
'(?:' +
|
||
|
|
[
|
||
|
|
`(?:${tzComponent.source})(?:\\/(?:${tzComponent.source}))*`,
|
||
|
|
'Etc/GMT(?:0|[-+]\\d{1,2})',
|
||
|
|
'GMT[-+]?0',
|
||
|
|
'EST5EDT',
|
||
|
|
'CST6CDT',
|
||
|
|
'MST7MDT',
|
||
|
|
'PST8PDT',
|
||
|
|
offsetNoCapture.source
|
||
|
|
].join('|') +
|
||
|
|
')'
|
||
|
|
);
|
||
|
|
|
||
|
|
const yearpart = /(?:[+\u2212-]\d{6}|\d{4})/;
|
||
|
|
const monthpart = /(?:0[1-9]|1[0-2])/;
|
||
|
|
const daypart = /(?:0[1-9]|[12]\d|3[01])/;
|
||
|
|
const datesplit = new RegExp(
|
||
|
|
`(${yearpart.source})(?:-(${monthpart.source})-(${daypart.source})|(${monthpart.source})(${daypart.source}))`
|
||
|
|
);
|
||
|
|
const timesplit = /(\d{2})(?::(\d{2})(?::(\d{2})(?:[.,](\d{1,9}))?)?|(\d{2})(?:(\d{2})(?:[.,](\d{1,9}))?)?)?/;
|
||
|
|
export const offset = /([+\u2212-])([01][0-9]|2[0-3])(?::?([0-5][0-9])(?::?([0-5][0-9])(?:[.,](\d{1,9}))?)?)?/;
|
||
|
|
const offsetpart = new RegExp(`([zZ])|${offset.source}?`);
|
||
|
|
export const annotation = /\[(!)?([a-z_][a-z0-9_-]*)=([A-Za-z0-9]+(?:-[A-Za-z0-9]+)*)\]/g;
|
||
|
|
|
||
|
|
export const zoneddatetime = new RegExp(
|
||
|
|
[
|
||
|
|
`^${datesplit.source}`,
|
||
|
|
`(?:(?:T|\\s+)${timesplit.source}(?:${offsetpart.source})?)?`,
|
||
|
|
`(?:\\[!?(${timeZoneID.source})\\])?`,
|
||
|
|
`((?:${annotation.source})*)$`
|
||
|
|
].join(''),
|
||
|
|
'i'
|
||
|
|
);
|
||
|
|
|
||
|
|
export const time = new RegExp(
|
||
|
|
[
|
||
|
|
`^T?${timesplit.source}`,
|
||
|
|
`(?:${offsetpart.source})?`,
|
||
|
|
`(?:\\[!?${timeZoneID.source}\\])?`,
|
||
|
|
`((?:${annotation.source})*)$`
|
||
|
|
].join(''),
|
||
|
|
'i'
|
||
|
|
);
|
||
|
|
|
||
|
|
// The short forms of YearMonth and MonthDay are only for the ISO calendar, but
|
||
|
|
// annotations are still allowed, and will throw if the calendar annotation is
|
||
|
|
// not ISO.
|
||
|
|
// Non-ISO calendar YearMonth and MonthDay have to parse as a Temporal.PlainDate,
|
||
|
|
// with the reference fields.
|
||
|
|
// YYYYMM forbidden by ISO 8601 because ambiguous with YYMMDD, but allowed by
|
||
|
|
// RFC 3339 and we don't allow 2-digit years, so we allow it.
|
||
|
|
// Not ambiguous with HHMMSS because that requires a 'T' prefix
|
||
|
|
// UTC offsets are not allowed, because they are not allowed with any date-only
|
||
|
|
// format; also, YYYY-MM-UU is ambiguous with YYYY-MM-DD
|
||
|
|
export const yearmonth = new RegExp(
|
||
|
|
`^(${yearpart.source})-?(${monthpart.source})(?:\\[!?${timeZoneID.source}\\])?((?:${annotation.source})*)$`
|
||
|
|
);
|
||
|
|
export const monthday = new RegExp(
|
||
|
|
`^(?:--)?(${monthpart.source})-?(${daypart.source})(?:\\[!?${timeZoneID.source}\\])?((?:${annotation.source})*)$`
|
||
|
|
);
|
||
|
|
|
||
|
|
const fraction = /(\d+)(?:[.,](\d{1,9}))?/;
|
||
|
|
|
||
|
|
const durationDate = /(?:(\d+)Y)?(?:(\d+)M)?(?:(\d+)W)?(?:(\d+)D)?/;
|
||
|
|
const durationTime = new RegExp(`(?:${fraction.source}H)?(?:${fraction.source}M)?(?:${fraction.source}S)?`);
|
||
|
|
export const duration = new RegExp(`^([+\u2212-])?P${durationDate.source}(?:T(?!$)${durationTime.source})?$`, 'i');
|