swc/bundler/tests/.cache/deno/9869d98ee939ba8e5f6c333c8d745063f17cad68.ts
강동윤 bbaf619f63
fix(bundler): Fix bugs (#1437)
swc_bundler:
 - [x] Fix wrapped esms. (denoland/deno#9307)
 - [x] Make test secure.
2021-03-02 17:33:03 +09:00

253 lines
6.9 KiB
TypeScript

// Loaded from https://deno.land/std@0.81.0/datetime/mod.ts
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { DateTimeFormatter } from "./formatter.ts";
export const SECOND = 1e3;
export const MINUTE = SECOND * 60;
export const HOUR = MINUTE * 60;
export const DAY = HOUR * 24;
export const WEEK = DAY * 7;
const DAYS_PER_WEEK = 7;
enum Day {
Sun,
Mon,
Tue,
Wed,
Thu,
Fri,
Sat,
}
/**
* Parse date from string using format string
* @param dateString Date string
* @param format Format string
* @return Parsed date
*/
export function parse(dateString: string, formatString: string): Date {
const formatter = new DateTimeFormatter(formatString);
const parts = formatter.parseToParts(dateString);
const sortParts = formatter.sortDateTimeFormatPart(parts);
return formatter.partsToDate(sortParts);
}
/**
* Format date using format string
* @param date Date
* @param format Format string
* @return formatted date string
*/
export function format(date: Date, formatString: string): string {
const formatter = new DateTimeFormatter(formatString);
return formatter.format(date);
}
/**
* Get number of the day in the year
* @return Number of the day in year
*/
export function dayOfYear(date: Date): number {
// Values from 0 to 99 map to the years 1900 to 1999. All other values are the actual year. (https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/Date)
// Using setFullYear as a workaround
const yearStart = new Date(date);
yearStart.setUTCFullYear(date.getUTCFullYear(), 0, 0);
const diff = date.getTime() -
yearStart.getTime() +
(yearStart.getTimezoneOffset() - date.getTimezoneOffset()) * 60 * 1000;
return Math.floor(diff / DAY);
}
/**
* Get number of the week in the year (ISO-8601)
* @return Number of the week in year
*/
export function weekOfYear(date: Date): number {
const workingDate = new Date(
Date.UTC(date.getFullYear(), date.getMonth(), date.getDate()),
);
const day = workingDate.getUTCDay();
const nearestThursday = workingDate.getUTCDate() +
Day.Thu -
(day === Day.Sun ? DAYS_PER_WEEK : day);
workingDate.setUTCDate(nearestThursday);
// Get first day of year
const yearStart = new Date(Date.UTC(workingDate.getUTCFullYear(), 0, 1));
// return the calculated full weeks to nearest Thursday
return Math.ceil((workingDate.getTime() - yearStart.getTime() + DAY) / WEEK);
}
/**
* Parse a date to return a IMF formatted string date
* RFC: https://tools.ietf.org/html/rfc7231#section-7.1.1.1
* IMF is the time format to use when generating times in HTTP
* headers. The time being formatted must be in UTC for Format to
* generate the correct format.
* @param date Date to parse
* @return IMF date formatted string
*/
export function toIMF(date: Date): string {
function dtPad(v: string, lPad = 2): string {
return v.padStart(lPad, "0");
}
const d = dtPad(date.getUTCDate().toString());
const h = dtPad(date.getUTCHours().toString());
const min = dtPad(date.getUTCMinutes().toString());
const s = dtPad(date.getUTCSeconds().toString());
const y = date.getUTCFullYear();
const days = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"];
const months = [
"Jan",
"Feb",
"Mar",
"Apr",
"May",
"Jun",
"Jul",
"Aug",
"Sep",
"Oct",
"Nov",
"Dec",
];
return `${days[date.getUTCDay()]}, ${d} ${
months[date.getUTCMonth()]
} ${y} ${h}:${min}:${s} GMT`;
}
/**
* Check given year is a leap year or not.
* based on : https://docs.microsoft.com/en-us/office/troubleshoot/excel/determine-a-leap-year
* @param year year in number or Date format
*/
export function isLeap(year: Date | number): boolean {
const yearNumber = year instanceof Date ? year.getFullYear() : year;
return (
(yearNumber % 4 === 0 && yearNumber % 100 !== 0) || yearNumber % 400 === 0
);
}
export type Unit =
| "milliseconds"
| "seconds"
| "minutes"
| "hours"
| "days"
| "weeks"
| "months"
| "quarters"
| "years";
export type DifferenceFormat = Partial<Record<Unit, number>>;
export type DifferenceOptions = {
units?: Unit[];
};
/**
* Calculate difference between two dates.
* @param from Year to calculate difference
* @param to Year to calculate difference with
* @param options Options for determining how to respond
*
* example :
*
* ```typescript
* datetime.difference(new Date("2020/1/1"),new Date("2020/2/2"),{ units : ["days","months"] })
* ```
*/
export function difference(
from: Date,
to: Date,
options?: DifferenceOptions,
): DifferenceFormat {
const uniqueUnits = options?.units ? [...new Set(options?.units)] : [
"milliseconds",
"seconds",
"minutes",
"hours",
"days",
"weeks",
"months",
"quarters",
"years",
];
const bigger = Math.max(from.getTime(), to.getTime());
const smaller = Math.min(from.getTime(), to.getTime());
const differenceInMs = bigger - smaller;
const differences: DifferenceFormat = {};
for (const uniqueUnit of uniqueUnits) {
switch (uniqueUnit) {
case "milliseconds":
differences.milliseconds = differenceInMs;
break;
case "seconds":
differences.seconds = Math.floor(differenceInMs / SECOND);
break;
case "minutes":
differences.minutes = Math.floor(differenceInMs / MINUTE);
break;
case "hours":
differences.hours = Math.floor(differenceInMs / HOUR);
break;
case "days":
differences.days = Math.floor(differenceInMs / DAY);
break;
case "weeks":
differences.weeks = Math.floor(differenceInMs / WEEK);
break;
case "months":
differences.months = calculateMonthsDifference(bigger, smaller);
break;
case "quarters":
differences.quarters = Math.floor(
(typeof differences.months !== "undefined" &&
differences.months / 4) ||
calculateMonthsDifference(bigger, smaller) / 4,
);
break;
case "years":
differences.years = Math.floor(
(typeof differences.months !== "undefined" &&
differences.months / 12) ||
calculateMonthsDifference(bigger, smaller) / 12,
);
break;
}
}
return differences;
}
function calculateMonthsDifference(bigger: number, smaller: number): number {
const biggerDate = new Date(bigger);
const smallerDate = new Date(smaller);
const yearsDiff = biggerDate.getFullYear() - smallerDate.getFullYear();
const monthsDiff = biggerDate.getMonth() - smallerDate.getMonth();
const calendarDifferences = Math.abs(yearsDiff * 12 + monthsDiff);
const compareResult = biggerDate > smallerDate ? 1 : -1;
biggerDate.setMonth(
biggerDate.getMonth() - compareResult * calendarDifferences,
);
const isLastMonthNotFull = biggerDate > smallerDate
? 1
: -1 === -compareResult
? 1
: 0;
const months = compareResult * (calendarDifferences - isLastMonthNotFull);
return months === 0 ? 0 : months;
}