serverless-offline-msk
Version:
A serverless offline plugin that enables AWS MSK events
2,238 lines (1,834 loc) • 219 kB
JavaScript
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
// these aren't really private, but nor are they really useful to document
/**
* @private
*/
class LuxonError extends Error {}
/**
* @private
*/
class InvalidDateTimeError extends LuxonError {
constructor(reason) {
super(`Invalid DateTime: ${reason.toMessage()}`);
}
}
/**
* @private
*/
class InvalidIntervalError extends LuxonError {
constructor(reason) {
super(`Invalid Interval: ${reason.toMessage()}`);
}
}
/**
* @private
*/
class InvalidDurationError extends LuxonError {
constructor(reason) {
super(`Invalid Duration: ${reason.toMessage()}`);
}
}
/**
* @private
*/
class ConflictingSpecificationError extends LuxonError {}
/**
* @private
*/
class InvalidUnitError extends LuxonError {
constructor(unit) {
super(`Invalid unit ${unit}`);
}
}
/**
* @private
*/
class InvalidArgumentError extends LuxonError {}
/**
* @private
*/
class ZoneIsAbstractError extends LuxonError {
constructor() {
super("Zone is an abstract class");
}
}
/**
* @private
*/
const n = "numeric",
s = "short",
l = "long";
const DATE_SHORT = {
year: n,
month: n,
day: n
};
const DATE_MED = {
year: n,
month: s,
day: n
};
const DATE_MED_WITH_WEEKDAY = {
year: n,
month: s,
day: n,
weekday: s
};
const DATE_FULL = {
year: n,
month: l,
day: n
};
const DATE_HUGE = {
year: n,
month: l,
day: n,
weekday: l
};
const TIME_SIMPLE = {
hour: n,
minute: n
};
const TIME_WITH_SECONDS = {
hour: n,
minute: n,
second: n
};
const TIME_WITH_SHORT_OFFSET = {
hour: n,
minute: n,
second: n,
timeZoneName: s
};
const TIME_WITH_LONG_OFFSET = {
hour: n,
minute: n,
second: n,
timeZoneName: l
};
const TIME_24_SIMPLE = {
hour: n,
minute: n,
hourCycle: "h23"
};
const TIME_24_WITH_SECONDS = {
hour: n,
minute: n,
second: n,
hourCycle: "h23"
};
const TIME_24_WITH_SHORT_OFFSET = {
hour: n,
minute: n,
second: n,
hourCycle: "h23",
timeZoneName: s
};
const TIME_24_WITH_LONG_OFFSET = {
hour: n,
minute: n,
second: n,
hourCycle: "h23",
timeZoneName: l
};
const DATETIME_SHORT = {
year: n,
month: n,
day: n,
hour: n,
minute: n
};
const DATETIME_SHORT_WITH_SECONDS = {
year: n,
month: n,
day: n,
hour: n,
minute: n,
second: n
};
const DATETIME_MED = {
year: n,
month: s,
day: n,
hour: n,
minute: n
};
const DATETIME_MED_WITH_SECONDS = {
year: n,
month: s,
day: n,
hour: n,
minute: n,
second: n
};
const DATETIME_MED_WITH_WEEKDAY = {
year: n,
month: s,
day: n,
weekday: s,
hour: n,
minute: n
};
const DATETIME_FULL = {
year: n,
month: l,
day: n,
hour: n,
minute: n,
timeZoneName: s
};
const DATETIME_FULL_WITH_SECONDS = {
year: n,
month: l,
day: n,
hour: n,
minute: n,
second: n,
timeZoneName: s
};
const DATETIME_HUGE = {
year: n,
month: l,
day: n,
weekday: l,
hour: n,
minute: n,
timeZoneName: l
};
const DATETIME_HUGE_WITH_SECONDS = {
year: n,
month: l,
day: n,
weekday: l,
hour: n,
minute: n,
second: n,
timeZoneName: l
};
/*
This is just a junk drawer, containing anything used across multiple classes.
Because Luxon is small(ish), this should stay small and we won't worry about splitting
it up into, say, parsingUtil.js and basicUtil.js and so on. But they are divided up by feature area.
*/
/**
* @private
*/
// TYPES
function isUndefined(o) {
return typeof o === "undefined";
}
function isNumber(o) {
return typeof o === "number";
}
function isInteger(o) {
return typeof o === "number" && o % 1 === 0;
}
function isString(o) {
return typeof o === "string";
}
function isDate(o) {
return Object.prototype.toString.call(o) === "[object Date]";
} // CAPABILITIES
function hasRelative() {
try {
return typeof Intl !== "undefined" && !!Intl.RelativeTimeFormat;
} catch (e) {
return false;
}
} // OBJECTS AND ARRAYS
function maybeArray(thing) {
return Array.isArray(thing) ? thing : [thing];
}
function bestBy(arr, by, compare) {
if (arr.length === 0) {
return undefined;
}
return arr.reduce((best, next) => {
const pair = [by(next), next];
if (!best) {
return pair;
} else if (compare(best[0], pair[0]) === best[0]) {
return best;
} else {
return pair;
}
}, null)[1];
}
function pick(obj, keys) {
return keys.reduce((a, k) => {
a[k] = obj[k];
return a;
}, {});
}
function hasOwnProperty(obj, prop) {
return Object.prototype.hasOwnProperty.call(obj, prop);
} // NUMBERS AND STRINGS
function integerBetween(thing, bottom, top) {
return isInteger(thing) && thing >= bottom && thing <= top;
} // x % n but takes the sign of n instead of x
function floorMod(x, n) {
return x - n * Math.floor(x / n);
}
function padStart(input, n = 2) {
const isNeg = input < 0;
let padded;
if (isNeg) {
padded = "-" + ("" + -input).padStart(n, "0");
} else {
padded = ("" + input).padStart(n, "0");
}
return padded;
}
function parseInteger(string) {
if (isUndefined(string) || string === null || string === "") {
return undefined;
} else {
return parseInt(string, 10);
}
}
function parseFloating(string) {
if (isUndefined(string) || string === null || string === "") {
return undefined;
} else {
return parseFloat(string);
}
}
function parseMillis(fraction) {
// Return undefined (instead of 0) in these cases, where fraction is not set
if (isUndefined(fraction) || fraction === null || fraction === "") {
return undefined;
} else {
const f = parseFloat("0." + fraction) * 1000;
return Math.floor(f);
}
}
function roundTo(number, digits, towardZero = false) {
const factor = 10 ** digits,
rounder = towardZero ? Math.trunc : Math.round;
return rounder(number * factor) / factor;
} // DATE BASICS
function isLeapYear(year) {
return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0);
}
function daysInYear(year) {
return isLeapYear(year) ? 366 : 365;
}
function daysInMonth(year, month) {
const modMonth = floorMod(month - 1, 12) + 1,
modYear = year + (month - modMonth) / 12;
if (modMonth === 2) {
return isLeapYear(modYear) ? 29 : 28;
} else {
return [31, null, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][modMonth - 1];
}
} // covert a calendar object to a local timestamp (epoch, but with the offset baked in)
function objToLocalTS(obj) {
let d = Date.UTC(obj.year, obj.month - 1, obj.day, obj.hour, obj.minute, obj.second, obj.millisecond); // for legacy reasons, years between 0 and 99 are interpreted as 19XX; revert that
if (obj.year < 100 && obj.year >= 0) {
d = new Date(d);
d.setUTCFullYear(d.getUTCFullYear() - 1900);
}
return +d;
}
function weeksInWeekYear(weekYear) {
const p1 = (weekYear + Math.floor(weekYear / 4) - Math.floor(weekYear / 100) + Math.floor(weekYear / 400)) % 7,
last = weekYear - 1,
p2 = (last + Math.floor(last / 4) - Math.floor(last / 100) + Math.floor(last / 400)) % 7;
return p1 === 4 || p2 === 3 ? 53 : 52;
}
function untruncateYear(year) {
if (year > 99) {
return year;
} else return year > 60 ? 1900 + year : 2000 + year;
} // PARSING
function parseZoneInfo(ts, offsetFormat, locale, timeZone = null) {
const date = new Date(ts),
intlOpts = {
hourCycle: "h23",
year: "numeric",
month: "2-digit",
day: "2-digit",
hour: "2-digit",
minute: "2-digit"
};
if (timeZone) {
intlOpts.timeZone = timeZone;
}
const modified = {
timeZoneName: offsetFormat,
...intlOpts
};
const parsed = new Intl.DateTimeFormat(locale, modified).formatToParts(date).find(m => m.type.toLowerCase() === "timezonename");
return parsed ? parsed.value : null;
} // signedOffset('-5', '30') -> -330
function signedOffset(offHourStr, offMinuteStr) {
let offHour = parseInt(offHourStr, 10); // don't || this because we want to preserve -0
if (Number.isNaN(offHour)) {
offHour = 0;
}
const offMin = parseInt(offMinuteStr, 10) || 0,
offMinSigned = offHour < 0 || Object.is(offHour, -0) ? -offMin : offMin;
return offHour * 60 + offMinSigned;
} // COERCION
function asNumber(value) {
const numericValue = Number(value);
if (typeof value === "boolean" || value === "" || Number.isNaN(numericValue)) throw new InvalidArgumentError(`Invalid unit value ${value}`);
return numericValue;
}
function normalizeObject(obj, normalizer) {
const normalized = {};
for (const u in obj) {
if (hasOwnProperty(obj, u)) {
const v = obj[u];
if (v === undefined || v === null) continue;
normalized[normalizer(u)] = asNumber(v);
}
}
return normalized;
}
function formatOffset(offset, format) {
const hours = Math.trunc(Math.abs(offset / 60)),
minutes = Math.trunc(Math.abs(offset % 60)),
sign = offset >= 0 ? "+" : "-";
switch (format) {
case "short":
return `${sign}${padStart(hours, 2)}:${padStart(minutes, 2)}`;
case "narrow":
return `${sign}${hours}${minutes > 0 ? `:${minutes}` : ""}`;
case "techie":
return `${sign}${padStart(hours, 2)}${padStart(minutes, 2)}`;
default:
throw new RangeError(`Value format ${format} is out of range for property format`);
}
}
function timeObject(obj) {
return pick(obj, ["hour", "minute", "second", "millisecond"]);
}
const ianaRegex = /[A-Za-z_+-]{1,256}(?::?\/[A-Za-z0-9_+-]{1,256}(?:\/[A-Za-z0-9_+-]{1,256})?)?/;
/**
* @private
*/
const monthsLong = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
const monthsShort = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
const monthsNarrow = ["J", "F", "M", "A", "M", "J", "J", "A", "S", "O", "N", "D"];
function months(length) {
switch (length) {
case "narrow":
return [...monthsNarrow];
case "short":
return [...monthsShort];
case "long":
return [...monthsLong];
case "numeric":
return ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12"];
case "2-digit":
return ["01", "02", "03", "04", "05", "06", "07", "08", "09", "10", "11", "12"];
default:
return null;
}
}
const weekdaysLong = ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"];
const weekdaysShort = ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"];
const weekdaysNarrow = ["M", "T", "W", "T", "F", "S", "S"];
function weekdays(length) {
switch (length) {
case "narrow":
return [...weekdaysNarrow];
case "short":
return [...weekdaysShort];
case "long":
return [...weekdaysLong];
case "numeric":
return ["1", "2", "3", "4", "5", "6", "7"];
default:
return null;
}
}
const meridiems = ["AM", "PM"];
const erasLong = ["Before Christ", "Anno Domini"];
const erasShort = ["BC", "AD"];
const erasNarrow = ["B", "A"];
function eras(length) {
switch (length) {
case "narrow":
return [...erasNarrow];
case "short":
return [...erasShort];
case "long":
return [...erasLong];
default:
return null;
}
}
function meridiemForDateTime(dt) {
return meridiems[dt.hour < 12 ? 0 : 1];
}
function weekdayForDateTime(dt, length) {
return weekdays(length)[dt.weekday - 1];
}
function monthForDateTime(dt, length) {
return months(length)[dt.month - 1];
}
function eraForDateTime(dt, length) {
return eras(length)[dt.year < 0 ? 0 : 1];
}
function formatRelativeTime(unit, count, numeric = "always", narrow = false) {
const units = {
years: ["year", "yr."],
quarters: ["quarter", "qtr."],
months: ["month", "mo."],
weeks: ["week", "wk."],
days: ["day", "day", "days"],
hours: ["hour", "hr."],
minutes: ["minute", "min."],
seconds: ["second", "sec."]
};
const lastable = ["hours", "minutes", "seconds"].indexOf(unit) === -1;
if (numeric === "auto" && lastable) {
const isDay = unit === "days";
switch (count) {
case 1:
return isDay ? "tomorrow" : `next ${units[unit][0]}`;
case -1:
return isDay ? "yesterday" : `last ${units[unit][0]}`;
case 0:
return isDay ? "today" : `this ${units[unit][0]}`;
}
}
const isInPast = Object.is(count, -0) || count < 0,
fmtValue = Math.abs(count),
singular = fmtValue === 1,
lilUnits = units[unit],
fmtUnit = narrow ? singular ? lilUnits[1] : lilUnits[2] || lilUnits[1] : singular ? units[unit][0] : unit;
return isInPast ? `${fmtValue} ${fmtUnit} ago` : `in ${fmtValue} ${fmtUnit}`;
}
function stringifyTokens(splits, tokenToString) {
let s = "";
for (const token of splits) {
if (token.literal) {
s += token.val;
} else {
s += tokenToString(token.val);
}
}
return s;
}
const macroTokenToFormatOpts = {
D: DATE_SHORT,
DD: DATE_MED,
DDD: DATE_FULL,
DDDD: DATE_HUGE,
t: TIME_SIMPLE,
tt: TIME_WITH_SECONDS,
ttt: TIME_WITH_SHORT_OFFSET,
tttt: TIME_WITH_LONG_OFFSET,
T: TIME_24_SIMPLE,
TT: TIME_24_WITH_SECONDS,
TTT: TIME_24_WITH_SHORT_OFFSET,
TTTT: TIME_24_WITH_LONG_OFFSET,
f: DATETIME_SHORT,
ff: DATETIME_MED,
fff: DATETIME_FULL,
ffff: DATETIME_HUGE,
F: DATETIME_SHORT_WITH_SECONDS,
FF: DATETIME_MED_WITH_SECONDS,
FFF: DATETIME_FULL_WITH_SECONDS,
FFFF: DATETIME_HUGE_WITH_SECONDS
};
/**
* @private
*/
class Formatter {
static create(locale, opts = {}) {
return new Formatter(locale, opts);
}
static parseFormat(fmt) {
let current = null,
currentFull = "",
bracketed = false;
const splits = [];
for (let i = 0; i < fmt.length; i++) {
const c = fmt.charAt(i);
if (c === "'") {
if (currentFull.length > 0) {
splits.push({
literal: bracketed,
val: currentFull
});
}
current = null;
currentFull = "";
bracketed = !bracketed;
} else if (bracketed) {
currentFull += c;
} else if (c === current) {
currentFull += c;
} else {
if (currentFull.length > 0) {
splits.push({
literal: false,
val: currentFull
});
}
currentFull = c;
current = c;
}
}
if (currentFull.length > 0) {
splits.push({
literal: bracketed,
val: currentFull
});
}
return splits;
}
static macroTokenToFormatOpts(token) {
return macroTokenToFormatOpts[token];
}
constructor(locale, formatOpts) {
this.opts = formatOpts;
this.loc = locale;
this.systemLoc = null;
}
formatWithSystemDefault(dt, opts) {
if (this.systemLoc === null) {
this.systemLoc = this.loc.redefaultToSystem();
}
const df = this.systemLoc.dtFormatter(dt, { ...this.opts,
...opts
});
return df.format();
}
formatDateTime(dt, opts = {}) {
const df = this.loc.dtFormatter(dt, { ...this.opts,
...opts
});
return df.format();
}
formatDateTimeParts(dt, opts = {}) {
const df = this.loc.dtFormatter(dt, { ...this.opts,
...opts
});
return df.formatToParts();
}
resolvedOptions(dt, opts = {}) {
const df = this.loc.dtFormatter(dt, { ...this.opts,
...opts
});
return df.resolvedOptions();
}
num(n, p = 0) {
// we get some perf out of doing this here, annoyingly
if (this.opts.forceSimple) {
return padStart(n, p);
}
const opts = { ...this.opts
};
if (p > 0) {
opts.padTo = p;
}
return this.loc.numberFormatter(opts).format(n);
}
formatDateTimeFromString(dt, fmt) {
const knownEnglish = this.loc.listingMode() === "en",
useDateTimeFormatter = this.loc.outputCalendar && this.loc.outputCalendar !== "gregory",
string = (opts, extract) => this.loc.extract(dt, opts, extract),
formatOffset = opts => {
if (dt.isOffsetFixed && dt.offset === 0 && opts.allowZ) {
return "Z";
}
return dt.isValid ? dt.zone.formatOffset(dt.ts, opts.format) : "";
},
meridiem = () => knownEnglish ? meridiemForDateTime(dt) : string({
hour: "numeric",
hourCycle: "h12"
}, "dayperiod"),
month = (length, standalone) => knownEnglish ? monthForDateTime(dt, length) : string(standalone ? {
month: length
} : {
month: length,
day: "numeric"
}, "month"),
weekday = (length, standalone) => knownEnglish ? weekdayForDateTime(dt, length) : string(standalone ? {
weekday: length
} : {
weekday: length,
month: "long",
day: "numeric"
}, "weekday"),
maybeMacro = token => {
const formatOpts = Formatter.macroTokenToFormatOpts(token);
if (formatOpts) {
return this.formatWithSystemDefault(dt, formatOpts);
} else {
return token;
}
},
era = length => knownEnglish ? eraForDateTime(dt, length) : string({
era: length
}, "era"),
tokenToString = token => {
// Where possible: http://cldr.unicode.org/translation/date-time-1/date-time#TOC-Standalone-vs.-Format-Styles
switch (token) {
// ms
case "S":
return this.num(dt.millisecond);
case "u": // falls through
case "SSS":
return this.num(dt.millisecond, 3);
// seconds
case "s":
return this.num(dt.second);
case "ss":
return this.num(dt.second, 2);
// fractional seconds
case "uu":
return this.num(Math.floor(dt.millisecond / 10), 2);
case "uuu":
return this.num(Math.floor(dt.millisecond / 100));
// minutes
case "m":
return this.num(dt.minute);
case "mm":
return this.num(dt.minute, 2);
// hours
case "h":
return this.num(dt.hour % 12 === 0 ? 12 : dt.hour % 12);
case "hh":
return this.num(dt.hour % 12 === 0 ? 12 : dt.hour % 12, 2);
case "H":
return this.num(dt.hour);
case "HH":
return this.num(dt.hour, 2);
// offset
case "Z":
// like +6
return formatOffset({
format: "narrow",
allowZ: this.opts.allowZ
});
case "ZZ":
// like +06:00
return formatOffset({
format: "short",
allowZ: this.opts.allowZ
});
case "ZZZ":
// like +0600
return formatOffset({
format: "techie",
allowZ: this.opts.allowZ
});
case "ZZZZ":
// like EST
return dt.zone.offsetName(dt.ts, {
format: "short",
locale: this.loc.locale
});
case "ZZZZZ":
// like Eastern Standard Time
return dt.zone.offsetName(dt.ts, {
format: "long",
locale: this.loc.locale
});
// zone
case "z":
// like America/New_York
return dt.zoneName;
// meridiems
case "a":
return meridiem();
// dates
case "d":
return useDateTimeFormatter ? string({
day: "numeric"
}, "day") : this.num(dt.day);
case "dd":
return useDateTimeFormatter ? string({
day: "2-digit"
}, "day") : this.num(dt.day, 2);
// weekdays - standalone
case "c":
// like 1
return this.num(dt.weekday);
case "ccc":
// like 'Tues'
return weekday("short", true);
case "cccc":
// like 'Tuesday'
return weekday("long", true);
case "ccccc":
// like 'T'
return weekday("narrow", true);
// weekdays - format
case "E":
// like 1
return this.num(dt.weekday);
case "EEE":
// like 'Tues'
return weekday("short", false);
case "EEEE":
// like 'Tuesday'
return weekday("long", false);
case "EEEEE":
// like 'T'
return weekday("narrow", false);
// months - standalone
case "L":
// like 1
return useDateTimeFormatter ? string({
month: "numeric",
day: "numeric"
}, "month") : this.num(dt.month);
case "LL":
// like 01, doesn't seem to work
return useDateTimeFormatter ? string({
month: "2-digit",
day: "numeric"
}, "month") : this.num(dt.month, 2);
case "LLL":
// like Jan
return month("short", true);
case "LLLL":
// like January
return month("long", true);
case "LLLLL":
// like J
return month("narrow", true);
// months - format
case "M":
// like 1
return useDateTimeFormatter ? string({
month: "numeric"
}, "month") : this.num(dt.month);
case "MM":
// like 01
return useDateTimeFormatter ? string({
month: "2-digit"
}, "month") : this.num(dt.month, 2);
case "MMM":
// like Jan
return month("short", false);
case "MMMM":
// like January
return month("long", false);
case "MMMMM":
// like J
return month("narrow", false);
// years
case "y":
// like 2014
return useDateTimeFormatter ? string({
year: "numeric"
}, "year") : this.num(dt.year);
case "yy":
// like 14
return useDateTimeFormatter ? string({
year: "2-digit"
}, "year") : this.num(dt.year.toString().slice(-2), 2);
case "yyyy":
// like 0012
return useDateTimeFormatter ? string({
year: "numeric"
}, "year") : this.num(dt.year, 4);
case "yyyyyy":
// like 000012
return useDateTimeFormatter ? string({
year: "numeric"
}, "year") : this.num(dt.year, 6);
// eras
case "G":
// like AD
return era("short");
case "GG":
// like Anno Domini
return era("long");
case "GGGGG":
return era("narrow");
case "kk":
return this.num(dt.weekYear.toString().slice(-2), 2);
case "kkkk":
return this.num(dt.weekYear, 4);
case "W":
return this.num(dt.weekNumber);
case "WW":
return this.num(dt.weekNumber, 2);
case "o":
return this.num(dt.ordinal);
case "ooo":
return this.num(dt.ordinal, 3);
case "q":
// like 1
return this.num(dt.quarter);
case "qq":
// like 01
return this.num(dt.quarter, 2);
case "X":
return this.num(Math.floor(dt.ts / 1000));
case "x":
return this.num(dt.ts);
default:
return maybeMacro(token);
}
};
return stringifyTokens(Formatter.parseFormat(fmt), tokenToString);
}
formatDurationFromString(dur, fmt) {
const tokenToField = token => {
switch (token[0]) {
case "S":
return "millisecond";
case "s":
return "second";
case "m":
return "minute";
case "h":
return "hour";
case "d":
return "day";
case "w":
return "week";
case "M":
return "month";
case "y":
return "year";
default:
return null;
}
},
tokenToString = lildur => token => {
const mapped = tokenToField(token);
if (mapped) {
return this.num(lildur.get(mapped), token.length);
} else {
return token;
}
},
tokens = Formatter.parseFormat(fmt),
realTokens = tokens.reduce((found, {
literal,
val
}) => literal ? found : found.concat(val), []),
collapsed = dur.shiftTo(...realTokens.map(tokenToField).filter(t => t));
return stringifyTokens(tokens, tokenToString(collapsed));
}
}
class Invalid {
constructor(reason, explanation) {
this.reason = reason;
this.explanation = explanation;
}
toMessage() {
if (this.explanation) {
return `${this.reason}: ${this.explanation}`;
} else {
return this.reason;
}
}
}
/**
* @interface
*/
class Zone {
/**
* The type of zone
* @abstract
* @type {string}
*/
get type() {
throw new ZoneIsAbstractError();
}
/**
* The name of this zone.
* @abstract
* @type {string}
*/
get name() {
throw new ZoneIsAbstractError();
}
get ianaName() {
return this.name;
}
/**
* Returns whether the offset is known to be fixed for the whole year.
* @abstract
* @type {boolean}
*/
get isUniversal() {
throw new ZoneIsAbstractError();
}
/**
* Returns the offset's common name (such as EST) at the specified timestamp
* @abstract
* @param {number} ts - Epoch milliseconds for which to get the name
* @param {Object} opts - Options to affect the format
* @param {string} opts.format - What style of offset to return. Accepts 'long' or 'short'.
* @param {string} opts.locale - What locale to return the offset name in.
* @return {string}
*/
offsetName(ts, opts) {
throw new ZoneIsAbstractError();
}
/**
* Returns the offset's value as a string
* @abstract
* @param {number} ts - Epoch milliseconds for which to get the offset
* @param {string} format - What style of offset to return.
* Accepts 'narrow', 'short', or 'techie'. Returning '+6', '+06:00', or '+0600' respectively
* @return {string}
*/
formatOffset(ts, format) {
throw new ZoneIsAbstractError();
}
/**
* Return the offset in minutes for this zone at the specified timestamp.
* @abstract
* @param {number} ts - Epoch milliseconds for which to compute the offset
* @return {number}
*/
offset(ts) {
throw new ZoneIsAbstractError();
}
/**
* Return whether this Zone is equal to another zone
* @abstract
* @param {Zone} otherZone - the zone to compare
* @return {boolean}
*/
equals(otherZone) {
throw new ZoneIsAbstractError();
}
/**
* Return whether this Zone is valid.
* @abstract
* @type {boolean}
*/
get isValid() {
throw new ZoneIsAbstractError();
}
}
let singleton$1 = null;
/**
* Represents the local zone for this JavaScript environment.
* @implements {Zone}
*/
class SystemZone extends Zone {
/**
* Get a singleton instance of the local zone
* @return {SystemZone}
*/
static get instance() {
if (singleton$1 === null) {
singleton$1 = new SystemZone();
}
return singleton$1;
}
/** @override **/
get type() {
return "system";
}
/** @override **/
get name() {
return new Intl.DateTimeFormat().resolvedOptions().timeZone;
}
/** @override **/
get isUniversal() {
return false;
}
/** @override **/
offsetName(ts, {
format,
locale
}) {
return parseZoneInfo(ts, format, locale);
}
/** @override **/
formatOffset(ts, format) {
return formatOffset(this.offset(ts), format);
}
/** @override **/
offset(ts) {
return -new Date(ts).getTimezoneOffset();
}
/** @override **/
equals(otherZone) {
return otherZone.type === "system";
}
/** @override **/
get isValid() {
return true;
}
}
let dtfCache = {};
function makeDTF(zone) {
if (!dtfCache[zone]) {
dtfCache[zone] = new Intl.DateTimeFormat("en-US", {
hour12: false,
timeZone: zone,
year: "numeric",
month: "2-digit",
day: "2-digit",
hour: "2-digit",
minute: "2-digit",
second: "2-digit",
era: "short"
});
}
return dtfCache[zone];
}
const typeToPos = {
year: 0,
month: 1,
day: 2,
era: 3,
hour: 4,
minute: 5,
second: 6
};
function hackyOffset(dtf, date) {
const formatted = dtf.format(date).replace(/\u200E/g, ""),
parsed = /(\d+)\/(\d+)\/(\d+) (AD|BC),? (\d+):(\d+):(\d+)/.exec(formatted),
[, fMonth, fDay, fYear, fadOrBc, fHour, fMinute, fSecond] = parsed;
return [fYear, fMonth, fDay, fadOrBc, fHour, fMinute, fSecond];
}
function partsOffset(dtf, date) {
const formatted = dtf.formatToParts(date);
const filled = [];
for (let i = 0; i < formatted.length; i++) {
const {
type,
value
} = formatted[i];
const pos = typeToPos[type];
if (type === "era") {
filled[pos] = value;
} else if (!isUndefined(pos)) {
filled[pos] = parseInt(value, 10);
}
}
return filled;
}
let ianaZoneCache = {};
/**
* A zone identified by an IANA identifier, like America/New_York
* @implements {Zone}
*/
class IANAZone extends Zone {
/**
* @param {string} name - Zone name
* @return {IANAZone}
*/
static create(name) {
if (!ianaZoneCache[name]) {
ianaZoneCache[name] = new IANAZone(name);
}
return ianaZoneCache[name];
}
/**
* Reset local caches. Should only be necessary in testing scenarios.
* @return {void}
*/
static resetCache() {
ianaZoneCache = {};
dtfCache = {};
}
/**
* Returns whether the provided string is a valid specifier. This only checks the string's format, not that the specifier identifies a known zone; see isValidZone for that.
* @param {string} s - The string to check validity on
* @example IANAZone.isValidSpecifier("America/New_York") //=> true
* @example IANAZone.isValidSpecifier("Sport~~blorp") //=> false
* @deprecated This method returns false for some valid IANA names. Use isValidZone instead.
* @return {boolean}
*/
static isValidSpecifier(s) {
return this.isValidZone(s);
}
/**
* Returns whether the provided string identifies a real zone
* @param {string} zone - The string to check
* @example IANAZone.isValidZone("America/New_York") //=> true
* @example IANAZone.isValidZone("Fantasia/Castle") //=> false
* @example IANAZone.isValidZone("Sport~~blorp") //=> false
* @return {boolean}
*/
static isValidZone(zone) {
if (!zone) {
return false;
}
try {
new Intl.DateTimeFormat("en-US", {
timeZone: zone
}).format();
return true;
} catch (e) {
return false;
}
}
constructor(name) {
super();
/** @private **/
this.zoneName = name;
/** @private **/
this.valid = IANAZone.isValidZone(name);
}
/** @override **/
get type() {
return "iana";
}
/** @override **/
get name() {
return this.zoneName;
}
/** @override **/
get isUniversal() {
return false;
}
/** @override **/
offsetName(ts, {
format,
locale
}) {
return parseZoneInfo(ts, format, locale, this.name);
}
/** @override **/
formatOffset(ts, format) {
return formatOffset(this.offset(ts), format);
}
/** @override **/
offset(ts) {
const date = new Date(ts);
if (isNaN(date)) return NaN;
const dtf = makeDTF(this.name);
let [year, month, day, adOrBc, hour, minute, second] = dtf.formatToParts ? partsOffset(dtf, date) : hackyOffset(dtf, date);
if (adOrBc === "BC") {
year = -Math.abs(year) + 1;
} // because we're using hour12 and https://bugs.chromium.org/p/chromium/issues/detail?id=1025564&can=2&q=%2224%3A00%22%20datetimeformat
const adjustedHour = hour === 24 ? 0 : hour;
const asUTC = objToLocalTS({
year,
month,
day,
hour: adjustedHour,
minute,
second,
millisecond: 0
});
let asTS = +date;
const over = asTS % 1000;
asTS -= over >= 0 ? over : 1000 + over;
return (asUTC - asTS) / (60 * 1000);
}
/** @override **/
equals(otherZone) {
return otherZone.type === "iana" && otherZone.name === this.name;
}
/** @override **/
get isValid() {
return this.valid;
}
}
let singleton = null;
/**
* A zone with a fixed offset (meaning no DST)
* @implements {Zone}
*/
class FixedOffsetZone extends Zone {
/**
* Get a singleton instance of UTC
* @return {FixedOffsetZone}
*/
static get utcInstance() {
if (singleton === null) {
singleton = new FixedOffsetZone(0);
}
return singleton;
}
/**
* Get an instance with a specified offset
* @param {number} offset - The offset in minutes
* @return {FixedOffsetZone}
*/
static instance(offset) {
return offset === 0 ? FixedOffsetZone.utcInstance : new FixedOffsetZone(offset);
}
/**
* Get an instance of FixedOffsetZone from a UTC offset string, like "UTC+6"
* @param {string} s - The offset string to parse
* @example FixedOffsetZone.parseSpecifier("UTC+6")
* @example FixedOffsetZone.parseSpecifier("UTC+06")
* @example FixedOffsetZone.parseSpecifier("UTC-6:00")
* @return {FixedOffsetZone}
*/
static parseSpecifier(s) {
if (s) {
const r = s.match(/^utc(?:([+-]\d{1,2})(?::(\d{2}))?)?$/i);
if (r) {
return new FixedOffsetZone(signedOffset(r[1], r[2]));
}
}
return null;
}
constructor(offset) {
super();
/** @private **/
this.fixed = offset;
}
/** @override **/
get type() {
return "fixed";
}
/** @override **/
get name() {
return this.fixed === 0 ? "UTC" : `UTC${formatOffset(this.fixed, "narrow")}`;
}
get ianaName() {
if (this.fixed === 0) {
return "Etc/UTC";
} else {
return `Etc/GMT${formatOffset(-this.fixed, "narrow")}`;
}
}
/** @override **/
offsetName() {
return this.name;
}
/** @override **/
formatOffset(ts, format) {
return formatOffset(this.fixed, format);
}
/** @override **/
get isUniversal() {
return true;
}
/** @override **/
offset() {
return this.fixed;
}
/** @override **/
equals(otherZone) {
return otherZone.type === "fixed" && otherZone.fixed === this.fixed;
}
/** @override **/
get isValid() {
return true;
}
}
/**
* A zone that failed to parse. You should never need to instantiate this.
* @implements {Zone}
*/
class InvalidZone extends Zone {
constructor(zoneName) {
super();
/** @private */
this.zoneName = zoneName;
}
/** @override **/
get type() {
return "invalid";
}
/** @override **/
get name() {
return this.zoneName;
}
/** @override **/
get isUniversal() {
return false;
}
/** @override **/
offsetName() {
return null;
}
/** @override **/
formatOffset() {
return "";
}
/** @override **/
offset() {
return NaN;
}
/** @override **/
equals() {
return false;
}
/** @override **/
get isValid() {
return false;
}
}
/**
* @private
*/
function normalizeZone(input, defaultZone) {
if (isUndefined(input) || input === null) {
return defaultZone;
} else if (input instanceof Zone) {
return input;
} else if (isString(input)) {
const lowered = input.toLowerCase();
if (lowered === "local" || lowered === "system") return defaultZone;else if (lowered === "utc" || lowered === "gmt") return FixedOffsetZone.utcInstance;else return FixedOffsetZone.parseSpecifier(lowered) || IANAZone.create(input);
} else if (isNumber(input)) {
return FixedOffsetZone.instance(input);
} else if (typeof input === "object" && input.offset && typeof input.offset === "number") {
// This is dumb, but the instanceof check above doesn't seem to really work
// so we're duck checking it
return input;
} else {
return new InvalidZone(input);
}
}
let now = () => Date.now(),
defaultZone = "system",
defaultLocale = null,
defaultNumberingSystem = null,
defaultOutputCalendar = null,
throwOnInvalid;
/**
* Settings contains static getters and setters that control Luxon's overall behavior. Luxon is a simple library with few options, but the ones it does have live here.
*/
class Settings {
/**
* Get the callback for returning the current timestamp.
* @type {function}
*/
static get now() {
return now;
}
/**
* Set the callback for returning the current timestamp.
* The function should return a number, which will be interpreted as an Epoch millisecond count
* @type {function}
* @example Settings.now = () => Date.now() + 3000 // pretend it is 3 seconds in the future
* @example Settings.now = () => 0 // always pretend it's Jan 1, 1970 at midnight in UTC time
*/
static set now(n) {
now = n;
}
/**
* Set the default time zone to create DateTimes in. Does not affect existing instances.
* Use the value "system" to reset this value to the system's time zone.
* @type {string}
*/
static set defaultZone(zone) {
defaultZone = zone;
}
/**
* Get the default time zone object currently used to create DateTimes. Does not affect existing instances.
* The default value is the system's time zone (the one set on the machine that runs this code).
* @type {Zone}
*/
static get defaultZone() {
return normalizeZone(defaultZone, SystemZone.instance);
}
/**
* Get the default locale to create DateTimes with. Does not affect existing instances.
* @type {string}
*/
static get defaultLocale() {
return defaultLocale;
}
/**
* Set the default locale to create DateTimes with. Does not affect existing instances.
* @type {string}
*/
static set defaultLocale(locale) {
defaultLocale = locale;
}
/**
* Get the default numbering system to create DateTimes with. Does not affect existing instances.
* @type {string}
*/
static get defaultNumberingSystem() {
return defaultNumberingSystem;
}
/**
* Set the default numbering system to create DateTimes with. Does not affect existing instances.
* @type {string}
*/
static set defaultNumberingSystem(numberingSystem) {
defaultNumberingSystem = numberingSystem;
}
/**
* Get the default output calendar to create DateTimes with. Does not affect existing instances.
* @type {string}
*/
static get defaultOutputCalendar() {
return defaultOutputCalendar;
}
/**
* Set the default output calendar to create DateTimes with. Does not affect existing instances.
* @type {string}
*/
static set defaultOutputCalendar(outputCalendar) {
defaultOutputCalendar = outputCalendar;
}
/**
* Get whether Luxon will throw when it encounters invalid DateTimes, Durations, or Intervals
* @type {boolean}
*/
static get throwOnInvalid() {
return throwOnInvalid;
}
/**
* Set whether Luxon will throw when it encounters invalid DateTimes, Durations, or Intervals
* @type {boolean}
*/
static set throwOnInvalid(t) {
throwOnInvalid = t;
}
/**
* Reset Luxon's global caches. Should only be necessary in testing scenarios.
* @return {void}
*/
static resetCaches() {
Locale.resetCache();
IANAZone.resetCache();
}
}
let intlLFCache = {};
function getCachedLF(locString, opts = {}) {
const key = JSON.stringify([locString, opts]);
let dtf = intlLFCache[key];
if (!dtf) {
dtf = new Intl.ListFormat(locString, opts);
intlLFCache[key] = dtf;
}
return dtf;
}
let intlDTCache = {};
function getCachedDTF(locString, opts = {}) {
const key = JSON.stringify([locString, opts]);
let dtf = intlDTCache[key];
if (!dtf) {
dtf = new Intl.DateTimeFormat(locString, opts);
intlDTCache[key] = dtf;
}
return dtf;
}
let intlNumCache = {};
function getCachedINF(locString, opts = {}) {
const key = JSON.stringify([locString, opts]);
let inf = intlNumCache[key];
if (!inf) {
inf = new Intl.NumberFormat(locString, opts);
intlNumCache[key] = inf;
}
return inf;
}
let intlRelCache = {};
function getCachedRTF(locString, opts = {}) {
const {
base,
...cacheKeyOpts
} = opts; // exclude `base` from the options
const key = JSON.stringify([locString, cacheKeyOpts]);
let inf = intlRelCache[key];
if (!inf) {
inf = new Intl.RelativeTimeFormat(locString, opts);
intlRelCache[key] = inf;
}
return inf;
}
let sysLocaleCache = null;
function systemLocale() {
if (sysLocaleCache) {
return sysLocaleCache;
} else {
sysLocaleCache = new Intl.DateTimeFormat().resolvedOptions().locale;
return sysLocaleCache;
}
}
function parseLocaleString(localeStr) {
// I really want to avoid writing a BCP 47 parser
// see, e.g. https://github.com/wooorm/bcp-47
// Instead, we'll do this:
// a) if the string has no -u extensions, just leave it alone
// b) if it does, use Intl to resolve everything
// c) if Intl fails, try again without the -u
const uIndex = localeStr.indexOf("-u-");
if (uIndex === -1) {
return [localeStr];
} else {
let options;
const smaller = localeStr.substring(0, uIndex);
try {
options = getCachedDTF(localeStr).resolvedOptions();
} catch (e) {
options = getCachedDTF(smaller).resolvedOptions();
}
const {
numberingSystem,
calendar
} = options; // return the smaller one so that we can append the calendar and numbering overrides to it
return [smaller, numberingSystem, calendar];
}
}
function intlConfigString(localeStr, numberingSystem, outputCalendar) {
if (outputCalendar || numberingSystem) {
localeStr += "-u";
if (outputCalendar) {
localeStr += `-ca-${outputCalendar}`;
}
if (numberingSystem) {
localeStr += `-nu-${numberingSystem}`;
}
return localeStr;
} else {
return localeStr;
}
}
function mapMonths(f) {
const ms = [];
for (let i = 1; i <= 12; i++) {
const dt = DateTime.utc(2016, i, 1);
ms.push(f(dt));
}
return ms;
}
function mapWeekdays(f) {
const ms = [];
for (let i = 1; i <= 7; i++) {
const dt = DateTime.utc(2016, 11, 13 + i);
ms.push(f(dt));
}
return ms;
}
function listStuff(loc, length, defaultOK, englishFn, intlFn) {
const mode = loc.listingMode(defaultOK);
if (mode === "error") {
return null;
} else if (mode === "en") {
return englishFn(length);
} else {
return intlFn(length);
}
}
function supportsFastNumbers(loc) {
if (loc.numberingSystem && loc.numberingSystem !== "latn") {
return false;
} else {
return loc.numberingSystem === "latn" || !loc.locale || loc.locale.startsWith("en") || new Intl.DateTimeFormat(loc.intl).resolvedOptions().numberingSystem === "latn";
}
}
/**
* @private
*/
class PolyNumberFormatter {
constructor(intl, forceSimple, opts) {
this.padTo = opts.padTo || 0;
this.floor = opts.floor || false;
const {
padTo,
floor,
...otherOpts
} = opts;
if (!forceSimple || Object.keys(otherOpts).length > 0) {
const intlOpts = {
useGrouping: false,
...opts
};
if (opts.padTo > 0) intlOpts.minimumIntegerDigits = opts.padTo;
this.inf = getCachedINF(intl, intlOpts);
}
}
format(i) {
if (this.inf) {
const fixed = this.floor ? Math.floor(i) : i;
return this.inf.format(fixed);
} else {
// to match the browser's numberformatter defaults
const fixed = this.floor ? Math.floor(i) : roundTo(i, 3);
return padStart(fixed, this.padTo);
}
}
}
/**
* @private
*/
class PolyDateFormatter {
constructor(dt, intl, opts) {
this.opts = opts;
let z;
if (dt.zone.isUniversal) {
// UTC-8 or Etc/UTC-8 are not part of tzdata, only Etc/GMT+8 and the like.
// That is why fixed-offset TZ is set to that unless it is:
// 1. Representing offset 0 when UTC is used to maintain previous behavior and does not become GMT.
// 2. Unsupported by the browser:
// - some do not support Etc/
// - < Etc/GMT-14, > Etc/GMT+12, and 30-minute or 45-minute offsets are not part of tzdata
const gmtOffset = -1 * (dt.offset / 60);
const offsetZ = gmtOffset >= 0 ? `Etc/GMT+${gmtOffset}` : `Etc/GMT${gmtOffset}`;
if (dt.offset !== 0 && IANAZone.create(offsetZ).valid) {
z = offsetZ;
this.dt = dt;
} else {
// Not all fixed-offset zones like Etc/+4:30 are present in tzdata.
// So we have to make do. Two cases:
// 1. The format options tell us to show the zone. We can't do that, so the best
// we can do is format the date in UTC.
// 2. The format options don't tell us to show the zone. Then we can adjust them
// the time and tell the formatter to show it to us in UTC, so that the time is right
// and the bad zone doesn't show up.
z = "UTC";
if (opts.timeZoneName) {
this.dt = dt;
} else {
this.dt = dt.offset === 0 ? dt : DateTime.fromMillis(dt.ts + dt.offset * 60 * 1000);
}
}
} else if (dt.zone.type === "system") {
this.dt = dt;
} else {
this.dt = dt;
z = dt.zone.name;
}
const intlOpts = { ...this.opts
};
if (z) {
intlOpts.timeZone = z;
}
this.dtf = getCachedDTF(intl, intlOpts);
}
format() {
return this.dtf.format(this.dt.toJSDate());
}
formatToParts() {
return this.dtf.formatToParts(this.dt.toJSDate());
}
resolvedOptions() {
return this.dtf.resolvedOptions();
}
}
/**
* @private
*/
class PolyRelFormatter {
constructor(intl, isEnglish, opts) {
this.opts = {
style: "long",
...opts
};
if (!isEnglish && hasRelative()) {
this.rtf = getCachedRTF(intl, opts);
}
}
format(count, unit) {
if (this.rtf) {
return this.rtf.format(count, unit);
} else {
return formatRelativeTime(unit, count, this.opts.numeric, this.opts.style !== "long");
}
}
formatToParts(count, unit) {
if (this.rtf) {
return this.rtf.formatToParts(count, unit);
} else {
return [];
}
}
}
/**
* @private
*/
class Locale {
static fromOpts(opts) {
return Locale.create(opts.locale, opts.numberingSystem, opts.outputCalendar, opts.defaultToEN);
}
static create(locale, numberingSystem, outputCalendar, defaultToEN = false) {
const specifiedLocale = locale || Settings.defaultLocale; // the system locale is useful for human readable strings but annoying for parsing/formatting known formats
const localeR = specifiedLocale || (defaultToEN ? "en-US" : systemLocale());
const numberingSystemR = numberingSystem || Settings.defaultNumberingSystem;
const outputCalendarR = outputCalendar || Settings.defaultOutputCalendar;
return new Locale(localeR, numberingSystemR, outputCalendarR, specifiedLocale);
}
static resetCache() {
sysLocaleCache = null;
intlDTCache = {};
intlNumCache = {};
intlRelCache = {};
}
static fromObject({
locale,
numberingSystem,
outputCalendar
} = {}) {
return Locale.create(locale, numberingSystem, outputCalendar);
}
constructor(locale, numbering, outputCalendar, specifiedLocale) {
const [parsedLocale, parsedNumberingSystem, parsedOutputCalendar] = parseLocaleString(locale);
this.locale = parsedLocale;
this.numberingSystem = numbering || parsedNumberingSystem || null;
this.outputCalendar = outputCalendar || parsedOutputCalendar || null;
this.intl = intlConfigString(this.locale, this.numberingSystem, this.outputCalendar);
this.weekdaysCache = {
format: {},
standalone: {}
};
this.monthsCache = {
format: {},
standalone: {}
};
this.meridiemCache = null;
this.eraCache = {};
this.specifiedLocale = specifiedLocale;
this.fastNumbersCached = null;
}
get fastNumbers() {
if (this.fastNumbersCached == null) {
this.fastNumbersCached = supportsFastNumbers(this);
}
return this.fastNumbersCached;
}
listingMode() {
const isActuallyEn = this.isEnglish();
const hasNoWeirdness = (this.numberingSystem === null || this.numberingSystem === "latn") && (this.outputCalendar === null || this.outputCalendar === "gregory");
return isActuallyEn && hasNoWeirdness ? "en" : "intl";
}
clone(alts) {
if (!alts || Object.getOwnPropertyNames(alts).length === 0) {
return this;
} else {
return Locale.create(alts.locale || this.specifiedLocale, alts.numberingSystem || this.numberingSystem, alts.outputCalendar || this.outputCalendar, alts.defaultToEN || false);
}
}
redefaultToEN(alts = {}) {
return this.clone({ ...alts,
defaultToEN: true
});
}
redefaultToSystem(alts = {}) {
return this.clone({ ...alts,
defaultToEN: false
});
}
months(length, format = false, defaultOK = true) {
return listStuff(this, length, defaultOK, months, () => {
const intl = format ? {
month: length,
day: "numeric"
} : {
month: length
},
formatStr = format ? "format" : "standalone";
if (!this.monthsCache[formatStr][length]) {
this.monthsCache[formatStr][length] = mapMonths(dt => this.extract(dt, intl, "month"));
}
return this.monthsCache[formatStr][length];
});
}
weekdays(length, format = false, defaultOK = true) {
return listStuff(this, length, defaultOK, weekdays, () => {
const intl = format ? {
weekday: length,
year: "numeric",
month: "long",
day: "numeric"
} : {
weekday: length
},
formatStr = format ? "format" : "standalone";
if (!this.weekdaysCache[formatStr][length]) {
this.weekdaysCache[formatStr][length] = mapWeekdays(dt => this.extract(dt, intl, "weekday"));
}
return this.weekdaysCache[formatStr][length];