From 7a52ddeba2a68388b544f529d2d92104420f77b0 Mon Sep 17 00:00:00 2001 From: Shipwreckt Date: Fri, 31 Oct 2025 20:02:14 +0000 Subject: Changed from static to 11ty! --- node_modules/luxon/src/impl/tokenParser.js | 505 +++++++++++++++++++++++++++++ 1 file changed, 505 insertions(+) create mode 100644 node_modules/luxon/src/impl/tokenParser.js (limited to 'node_modules/luxon/src/impl/tokenParser.js') diff --git a/node_modules/luxon/src/impl/tokenParser.js b/node_modules/luxon/src/impl/tokenParser.js new file mode 100644 index 0000000..48a7595 --- /dev/null +++ b/node_modules/luxon/src/impl/tokenParser.js @@ -0,0 +1,505 @@ +import { parseMillis, isUndefined, untruncateYear, signedOffset, hasOwnProperty } from "./util.js"; +import Formatter from "./formatter.js"; +import FixedOffsetZone from "../zones/fixedOffsetZone.js"; +import IANAZone from "../zones/IANAZone.js"; +import DateTime from "../datetime.js"; +import { digitRegex, parseDigits } from "./digits.js"; +import { ConflictingSpecificationError } from "../errors.js"; + +const MISSING_FTP = "missing Intl.DateTimeFormat.formatToParts support"; + +function intUnit(regex, post = (i) => i) { + return { regex, deser: ([s]) => post(parseDigits(s)) }; +} + +const NBSP = String.fromCharCode(160); +const spaceOrNBSP = `[ ${NBSP}]`; +const spaceOrNBSPRegExp = new RegExp(spaceOrNBSP, "g"); + +function fixListRegex(s) { + // make dots optional and also make them literal + // make space and non breakable space characters interchangeable + return s.replace(/\./g, "\\.?").replace(spaceOrNBSPRegExp, spaceOrNBSP); +} + +function stripInsensitivities(s) { + return s + .replace(/\./g, "") // ignore dots that were made optional + .replace(spaceOrNBSPRegExp, " ") // interchange space and nbsp + .toLowerCase(); +} + +function oneOf(strings, startIndex) { + if (strings === null) { + return null; + } else { + return { + regex: RegExp(strings.map(fixListRegex).join("|")), + deser: ([s]) => + strings.findIndex((i) => stripInsensitivities(s) === stripInsensitivities(i)) + startIndex, + }; + } +} + +function offset(regex, groups) { + return { regex, deser: ([, h, m]) => signedOffset(h, m), groups }; +} + +function simple(regex) { + return { regex, deser: ([s]) => s }; +} + +function escapeToken(value) { + return value.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&"); +} + +/** + * @param token + * @param {Locale} loc + */ +function unitForToken(token, loc) { + const one = digitRegex(loc), + two = digitRegex(loc, "{2}"), + three = digitRegex(loc, "{3}"), + four = digitRegex(loc, "{4}"), + six = digitRegex(loc, "{6}"), + oneOrTwo = digitRegex(loc, "{1,2}"), + oneToThree = digitRegex(loc, "{1,3}"), + oneToSix = digitRegex(loc, "{1,6}"), + oneToNine = digitRegex(loc, "{1,9}"), + twoToFour = digitRegex(loc, "{2,4}"), + fourToSix = digitRegex(loc, "{4,6}"), + literal = (t) => ({ regex: RegExp(escapeToken(t.val)), deser: ([s]) => s, literal: true }), + unitate = (t) => { + if (token.literal) { + return literal(t); + } + switch (t.val) { + // era + case "G": + return oneOf(loc.eras("short"), 0); + case "GG": + return oneOf(loc.eras("long"), 0); + // years + case "y": + return intUnit(oneToSix); + case "yy": + return intUnit(twoToFour, untruncateYear); + case "yyyy": + return intUnit(four); + case "yyyyy": + return intUnit(fourToSix); + case "yyyyyy": + return intUnit(six); + // months + case "M": + return intUnit(oneOrTwo); + case "MM": + return intUnit(two); + case "MMM": + return oneOf(loc.months("short", true), 1); + case "MMMM": + return oneOf(loc.months("long", true), 1); + case "L": + return intUnit(oneOrTwo); + case "LL": + return intUnit(two); + case "LLL": + return oneOf(loc.months("short", false), 1); + case "LLLL": + return oneOf(loc.months("long", false), 1); + // dates + case "d": + return intUnit(oneOrTwo); + case "dd": + return intUnit(two); + // ordinals + case "o": + return intUnit(oneToThree); + case "ooo": + return intUnit(three); + // time + case "HH": + return intUnit(two); + case "H": + return intUnit(oneOrTwo); + case "hh": + return intUnit(two); + case "h": + return intUnit(oneOrTwo); + case "mm": + return intUnit(two); + case "m": + return intUnit(oneOrTwo); + case "q": + return intUnit(oneOrTwo); + case "qq": + return intUnit(two); + case "s": + return intUnit(oneOrTwo); + case "ss": + return intUnit(two); + case "S": + return intUnit(oneToThree); + case "SSS": + return intUnit(three); + case "u": + return simple(oneToNine); + case "uu": + return simple(oneOrTwo); + case "uuu": + return intUnit(one); + // meridiem + case "a": + return oneOf(loc.meridiems(), 0); + // weekYear (k) + case "kkkk": + return intUnit(four); + case "kk": + return intUnit(twoToFour, untruncateYear); + // weekNumber (W) + case "W": + return intUnit(oneOrTwo); + case "WW": + return intUnit(two); + // weekdays + case "E": + case "c": + return intUnit(one); + case "EEE": + return oneOf(loc.weekdays("short", false), 1); + case "EEEE": + return oneOf(loc.weekdays("long", false), 1); + case "ccc": + return oneOf(loc.weekdays("short", true), 1); + case "cccc": + return oneOf(loc.weekdays("long", true), 1); + // offset/zone + case "Z": + case "ZZ": + return offset(new RegExp(`([+-]${oneOrTwo.source})(?::(${two.source}))?`), 2); + case "ZZZ": + return offset(new RegExp(`([+-]${oneOrTwo.source})(${two.source})?`), 2); + // we don't support ZZZZ (PST) or ZZZZZ (Pacific Standard Time) in parsing + // because we don't have any way to figure out what they are + case "z": + return simple(/[a-z_+-/]{1,256}?/i); + // this special-case "token" represents a place where a macro-token expanded into a white-space literal + // in this case we accept any non-newline white-space + case " ": + return simple(/[^\S\n\r]/); + default: + return literal(t); + } + }; + + const unit = unitate(token) || { + invalidReason: MISSING_FTP, + }; + + unit.token = token; + + return unit; +} + +const partTypeStyleToTokenVal = { + year: { + "2-digit": "yy", + numeric: "yyyyy", + }, + month: { + numeric: "M", + "2-digit": "MM", + short: "MMM", + long: "MMMM", + }, + day: { + numeric: "d", + "2-digit": "dd", + }, + weekday: { + short: "EEE", + long: "EEEE", + }, + dayperiod: "a", + dayPeriod: "a", + hour12: { + numeric: "h", + "2-digit": "hh", + }, + hour24: { + numeric: "H", + "2-digit": "HH", + }, + minute: { + numeric: "m", + "2-digit": "mm", + }, + second: { + numeric: "s", + "2-digit": "ss", + }, + timeZoneName: { + long: "ZZZZZ", + short: "ZZZ", + }, +}; + +function tokenForPart(part, formatOpts, resolvedOpts) { + const { type, value } = part; + + if (type === "literal") { + const isSpace = /^\s+$/.test(value); + return { + literal: !isSpace, + val: isSpace ? " " : value, + }; + } + + const style = formatOpts[type]; + + // The user might have explicitly specified hour12 or hourCycle + // if so, respect their decision + // if not, refer back to the resolvedOpts, which are based on the locale + let actualType = type; + if (type === "hour") { + if (formatOpts.hour12 != null) { + actualType = formatOpts.hour12 ? "hour12" : "hour24"; + } else if (formatOpts.hourCycle != null) { + if (formatOpts.hourCycle === "h11" || formatOpts.hourCycle === "h12") { + actualType = "hour12"; + } else { + actualType = "hour24"; + } + } else { + // tokens only differentiate between 24 hours or not, + // so we do not need to check hourCycle here, which is less supported anyways + actualType = resolvedOpts.hour12 ? "hour12" : "hour24"; + } + } + let val = partTypeStyleToTokenVal[actualType]; + if (typeof val === "object") { + val = val[style]; + } + + if (val) { + return { + literal: false, + val, + }; + } + + return undefined; +} + +function buildRegex(units) { + const re = units.map((u) => u.regex).reduce((f, r) => `${f}(${r.source})`, ""); + return [`^${re}$`, units]; +} + +function match(input, regex, handlers) { + const matches = input.match(regex); + + if (matches) { + const all = {}; + let matchIndex = 1; + for (const i in handlers) { + if (hasOwnProperty(handlers, i)) { + const h = handlers[i], + groups = h.groups ? h.groups + 1 : 1; + if (!h.literal && h.token) { + all[h.token.val[0]] = h.deser(matches.slice(matchIndex, matchIndex + groups)); + } + matchIndex += groups; + } + } + return [matches, all]; + } else { + return [matches, {}]; + } +} + +function dateTimeFromMatches(matches) { + const toField = (token) => { + switch (token) { + case "S": + return "millisecond"; + case "s": + return "second"; + case "m": + return "minute"; + case "h": + case "H": + return "hour"; + case "d": + return "day"; + case "o": + return "ordinal"; + case "L": + case "M": + return "month"; + case "y": + return "year"; + case "E": + case "c": + return "weekday"; + case "W": + return "weekNumber"; + case "k": + return "weekYear"; + case "q": + return "quarter"; + default: + return null; + } + }; + + let zone = null; + let specificOffset; + if (!isUndefined(matches.z)) { + zone = IANAZone.create(matches.z); + } + + if (!isUndefined(matches.Z)) { + if (!zone) { + zone = new FixedOffsetZone(matches.Z); + } + specificOffset = matches.Z; + } + + if (!isUndefined(matches.q)) { + matches.M = (matches.q - 1) * 3 + 1; + } + + if (!isUndefined(matches.h)) { + if (matches.h < 12 && matches.a === 1) { + matches.h += 12; + } else if (matches.h === 12 && matches.a === 0) { + matches.h = 0; + } + } + + if (matches.G === 0 && matches.y) { + matches.y = -matches.y; + } + + if (!isUndefined(matches.u)) { + matches.S = parseMillis(matches.u); + } + + const vals = Object.keys(matches).reduce((r, k) => { + const f = toField(k); + if (f) { + r[f] = matches[k]; + } + + return r; + }, {}); + + return [vals, zone, specificOffset]; +} + +let dummyDateTimeCache = null; + +function getDummyDateTime() { + if (!dummyDateTimeCache) { + dummyDateTimeCache = DateTime.fromMillis(1555555555555); + } + + return dummyDateTimeCache; +} + +function maybeExpandMacroToken(token, locale) { + if (token.literal) { + return token; + } + + const formatOpts = Formatter.macroTokenToFormatOpts(token.val); + const tokens = formatOptsToTokens(formatOpts, locale); + + if (tokens == null || tokens.includes(undefined)) { + return token; + } + + return tokens; +} + +export function expandMacroTokens(tokens, locale) { + return Array.prototype.concat(...tokens.map((t) => maybeExpandMacroToken(t, locale))); +} + +/** + * @private + */ + +export class TokenParser { + constructor(locale, format) { + this.locale = locale; + this.format = format; + this.tokens = expandMacroTokens(Formatter.parseFormat(format), locale); + this.units = this.tokens.map((t) => unitForToken(t, locale)); + this.disqualifyingUnit = this.units.find((t) => t.invalidReason); + + if (!this.disqualifyingUnit) { + const [regexString, handlers] = buildRegex(this.units); + this.regex = RegExp(regexString, "i"); + this.handlers = handlers; + } + } + + explainFromTokens(input) { + if (!this.isValid) { + return { input, tokens: this.tokens, invalidReason: this.invalidReason }; + } else { + const [rawMatches, matches] = match(input, this.regex, this.handlers), + [result, zone, specificOffset] = matches + ? dateTimeFromMatches(matches) + : [null, null, undefined]; + if (hasOwnProperty(matches, "a") && hasOwnProperty(matches, "H")) { + throw new ConflictingSpecificationError( + "Can't include meridiem when specifying 24-hour format" + ); + } + return { + input, + tokens: this.tokens, + regex: this.regex, + rawMatches, + matches, + result, + zone, + specificOffset, + }; + } + } + + get isValid() { + return !this.disqualifyingUnit; + } + + get invalidReason() { + return this.disqualifyingUnit ? this.disqualifyingUnit.invalidReason : null; + } +} + +export function explainFromTokens(locale, input, format) { + const parser = new TokenParser(locale, format); + return parser.explainFromTokens(input); +} + +export function parseFromTokens(locale, input, format) { + const { result, zone, specificOffset, invalidReason } = explainFromTokens(locale, input, format); + return [result, zone, specificOffset, invalidReason]; +} + +export function formatOptsToTokens(formatOpts, locale) { + if (!formatOpts) { + return null; + } + + const formatter = Formatter.create(locale, formatOpts); + const df = formatter.dtFormatter(getDummyDateTime()); + const parts = df.formatToParts(); + const resolvedOpts = df.resolvedOptions(); + return parts.map((p) => tokenForPart(p, formatOpts, resolvedOpts)); +} -- cgit v1.2.3