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authorCasper Beyer <caspervonb@pm.me>2021-02-02 19:05:46 +0800
committerGitHub <noreply@github.com>2021-02-02 12:05:46 +0100
commit6abf126c2a7a451cded8c6b5e6ddf1b69c84055d (patch)
treefd94c013a19fcb38954844085821ec1601c20e18 /std/datetime/mod.ts
parenta2b5d44f1aa9d64f448a2a3cc2001272e2f60b98 (diff)
chore: remove std directory (#9361)
This removes the std folder from the tree. Various parts of the tests are pretty tightly dependent on std (47 direct imports and 75 indirect imports, not counting the cli tests that use them as fixtures) so I've added std as a submodule for now.
Diffstat (limited to 'std/datetime/mod.ts')
-rw-r--r--std/datetime/mod.ts249
1 files changed, 0 insertions, 249 deletions
diff --git a/std/datetime/mod.ts b/std/datetime/mod.ts
deleted file mode 100644
index 8a3ec7c4f..000000000
--- a/std/datetime/mod.ts
+++ /dev/null
@@ -1,249 +0,0 @@
-// Copyright 2018-2021 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;
-}