From 87db4d475583c6f2b655fe4c344702ba21f14ec9 Mon Sep 17 00:00:00 2001 From: ztimson Date: Wed, 20 Nov 2024 10:56:51 -0500 Subject: [PATCH] Combined adjustTz into formatDate --- index.html | 7 +++--- package.json | 2 +- src/time.ts | 62 +++++++++++++++++++++++++++++++++++++++------------- 3 files changed, 52 insertions(+), 19 deletions(-) diff --git a/index.html b/index.html index b529e40..9a979db 100644 --- a/index.html +++ b/index.html @@ -6,10 +6,11 @@ diff --git a/package.json b/package.json index 814d94d..c69e187 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "@ztimson/utils", - "version": "0.22.11", + "version": "0.23.0", "description": "Utility library", "author": "Zak Timson", "license": "MIT", diff --git a/src/time.ts b/src/time.ts index a6ddff5..233f034 100644 --- a/src/time.ts +++ b/src/time.ts @@ -20,12 +20,6 @@ export function adjustedInterval(cb: Function, ms: number) { } } -export function adjustTz(date: Date, offset: number) { - const currentOffset = date.getTimezoneOffset(); - const adjustedOffset = offset * 60; - return new Date(date.getTime() + (currentOffset - adjustedOffset) * 60000); -} - /** * Format date * @@ -34,8 +28,42 @@ export function adjustTz(date: Date, offset: number) { * @param tz Override timezone, can be either string or number * @return {string} Formated date */ -export function formatDate(date: Date | number | string, format = 'YYYY-MM-DD H:mm', tz?: any): string { - if(typeof date == 'number' || typeof date == 'string') date = new Date(date); +export function formatDate(date: Date | number | string, format = 'YYYY-MM-DD H:mm', tz?: string | number): string { + const timezones = [ + ['IDLW', -12], + ['SST', -11], + ['HST', -10], + ['AKST', -9], + ['PST', -8], + ['MST', -7], + ['CST', -6], + ['EST', -5], + ['AST', -4], + ['BRT', -3], + ['MAT', -2], + ['AZOT', -1], + ['UTC', 0], + ['CET', 1], + ['EET', 2], + ['MSK', 3], + ['AST', 4], + ['PKT', 5], + ['BST', 6], + ['ICT', 7], + ['CST', 8], + ['JST', 9], + ['AEST', 10], + ['SBT', 11], + ['FJT', 12], + ['TOT', 13], + ['LINT', 14] + ]; + + function adjustTz(date: Date, gmt: number) { + const currentOffset = date.getTimezoneOffset(); + const adjustedOffset = gmt * 60; + return new Date(date.getTime() + (adjustedOffset + currentOffset) * 60000); + } function day(num: number): string { switch(num) { @@ -89,10 +117,14 @@ export function formatDate(date: Date | number | string, format = 'YYYY-MM-DD H: return (offset > 0 ? '-' : '') + `${hours}:${minutes.toString().padStart(2, '0')}`; } - function timezone(date: Date): string { - return new Intl.DateTimeFormat('en-US', {timeZoneName: 'short'}) - .format(date).split(' ').pop() || ''; - } + if(typeof date == 'number' || typeof date == 'string') date = new Date(date); + + // Handle timezones + let t!: [string, number]; + if(tz == null) tz = -(date.getTimezoneOffset() / 60); + t = timezones.find(t => isNaN(tz) ? t[0] == tz : t[1] == tz); + if(!t) throw new Error(`Unknown timezone: ${tz}`); + date = adjustTz(date, t[1]); return format // Year @@ -131,9 +163,9 @@ export function formatDate(date: Date | number | string, format = 'YYYY-MM-DD H: .replaceAll('A', date.getHours() >= 12 ? 'PM' : 'AM') .replaceAll('a', date.getHours() >= 12 ? 'pm' : 'am') // Timezone - .replaceAll('ZZ', tzOffset(isNaN(tz) ? date.getTimezoneOffset() : tz).replace(':', '')) - .replaceAll('Z', tzOffset(isNaN(tz) ? date.getTimezoneOffset() : tz)) - .replaceAll('z', typeof tz == 'string' ? tz : timezone(date)); + .replaceAll('ZZ', tzOffset(t[1] * 60).replace(':', '')) + .replaceAll('Z', tzOffset(t[1] * 60)) + .replaceAll('z', typeof tz == 'string' ? tz : (t)[0]); } /**