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denoland-deno/std/datetime
2020-02-11 17:24:27 +01:00
..
mod.ts remove non-null assertion operator from std (part2) (#3927) 2020-02-08 14:15:59 -06:00
README.md Fixed month reference in documented output of parseDate and parseDateTime function calls (#3859) 2020-02-02 16:46:05 -05:00
test.ts refactor: rewrite tests in std/ to use Deno.test (#3930) 2020-02-11 17:24:27 +01:00

datetime

Simple helper to help parse date strings into Date, with additional functions.

Usage

parseDate / parseDateTime

  • parseDate() - Take an input string and a format to parse the date. Supported formats are exported in DateFormat.
  • parseDateTime() - Take an input string and a format to parse the dateTime. Supported formats are exported in DateTimeFormat.
import { parseDate, parseDateTime } from 'https://deno.land/std/datetime/mod.ts'

parseDate("20-01-2019", "dd-mm-yyyy") // output : new Date(2019, 0, 20)
parseDate("2019-01-20", "yyyy-mm-dd") // output : new Date(2019, 0, 20)
...

parseDateTime("01-20-2019 16:34", "mm-dd-yyyy hh:mm") // output : new Date(2019, 0, 20, 16, 34)
parseDateTime("16:34 01-20-2019", "hh:mm mm-dd-yyyy") // output : new Date(2019, 0, 20, 16, 34)
...

dayOfYear / currentDayOfYear

  • dayOfYear() - Returns the number of the day in the year.
  • currentDayOfYear() - Returns the number of the current day in the year.
import {
  dayOfYear,
  currentDayOfYear
} from "https://deno.land/std/datetime/mod.ts";

dayOfYear(new Date("2019-03-11T03:24:00")); // output: 70
currentDayOfYear(); // output: ** depends on when you run it :) **