120 lines
4.1 KiB
JavaScript
120 lines
4.1 KiB
JavaScript
import { intervalToDuration } from 'date-fns'
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import { getTimezoneOffset } from 'date-fns-tz'
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import * as R from 'ramda'
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const timezones = {
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'Pacific/Midway': 'Midway Island, Samoa',
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'Pacific/Honolulu': 'Hawaii',
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'America/Juneau': 'Alaska',
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'America/Boise': 'Mountain Time',
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'America/Dawson': 'Dawson, Yukon',
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'America/Chihuahua': 'Chihuahua, La Paz, Mazatlan',
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'America/Phoenix': 'Arizona',
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'America/Chicago': 'Central Time',
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'America/Regina': 'Saskatchewan',
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'America/Mexico_City': 'Guadalajara, Mexico City, Monterrey',
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'America/Belize': 'Central America',
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'America/Detroit': 'Eastern Time',
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'America/Bogota': 'Bogota, Lima, Quito',
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'America/Caracas': 'Caracas, La Paz',
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'America/Santiago': 'Santiago',
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'America/St_Johns': 'Newfoundland and Labrador',
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'America/Sao_Paulo': 'Brasilia',
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'America/Tijuana': 'Tijuana',
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'America/Montevideo': 'Montevideo',
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'America/Argentina/Buenos_Aires': 'Buenos Aires, Georgetown',
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'America/Godthab': 'Greenland',
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'America/Los_Angeles': 'Pacific Time',
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'Atlantic/Azores': 'Azores',
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'Atlantic/Cape_Verde': 'Cape Verde Islands',
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GMT: 'UTC',
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'Europe/London': 'Edinburgh, London',
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'Europe/Dublin': 'Dublin',
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'Europe/Lisbon': 'Lisbon',
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'Africa/Casablanca': 'Casablanca, Monrovia',
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'Atlantic/Canary': 'Canary Islands',
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'Europe/Belgrade': 'Belgrade, Bratislava, Budapest, Ljubljana, Prague',
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'Europe/Sarajevo': 'Sarajevo, Skopje, Warsaw, Zagreb',
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'Europe/Brussels': 'Brussels, Copenhagen, Madrid, Paris',
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'Europe/Amsterdam': 'Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna',
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'Africa/Algiers': 'West Central Africa',
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'Europe/Bucharest': 'Bucharest',
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'Africa/Cairo': 'Cairo',
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'Europe/Helsinki': 'Helsinki, Kiev, Riga, Sofia, Tallinn, Vilnius',
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'Europe/Athens': 'Athens, Istanbul, Minsk',
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'Asia/Jerusalem': 'Jerusalem',
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'Africa/Harare': 'Harare, Pretoria',
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'Europe/Moscow': 'Moscow, St. Petersburg, Volgograd',
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'Asia/Kuwait': 'Kuwait, Riyadh',
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'Africa/Nairobi': 'Nairobi',
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'Asia/Baghdad': 'Baghdad',
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'Asia/Tehran': 'Tehran',
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'Asia/Dubai': 'Abu Dhabi, Muscat',
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'Asia/Baku': 'Baku, Tbilisi, Yerevan',
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'Asia/Kabul': 'Kabul',
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'Asia/Yekaterinburg': 'Ekaterinburg',
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'Asia/Karachi': 'Islamabad, Karachi, Tashkent',
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'Asia/Kolkata': 'Chennai, Kolkata, Mumbai, New Delhi',
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'Asia/Kathmandu': 'Kathmandu',
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'Asia/Dhaka': 'Astana, Dhaka',
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'Asia/Colombo': 'Sri Jayawardenepura',
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'Asia/Almaty': 'Almaty, Novosibirsk',
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'Asia/Rangoon': 'Yangon Rangoon',
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'Asia/Bangkok': 'Bangkok, Hanoi, Jakarta',
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'Asia/Krasnoyarsk': 'Krasnoyarsk',
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'Asia/Shanghai': 'Beijing, Chongqing, Hong Kong SAR, Urumqi',
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'Asia/Kuala_Lumpur': 'Kuala Lumpur, Singapore',
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'Asia/Taipei': 'Taipei',
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'Australia/Perth': 'Perth',
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'Asia/Irkutsk': 'Irkutsk, Ulaanbaatar',
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'Asia/Seoul': 'Seoul',
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'Asia/Tokyo': 'Osaka, Sapporo, Tokyo',
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'Asia/Yakutsk': 'Yakutsk',
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'Australia/Darwin': 'Darwin',
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'Australia/Adelaide': 'Adelaide',
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'Australia/Sydney': 'Canberra, Melbourne, Sydney',
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'Australia/Brisbane': 'Brisbane',
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'Australia/Hobart': 'Hobart',
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'Asia/Vladivostok': 'Vladivostok',
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'Pacific/Guam': 'Guam, Port Moresby',
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'Asia/Magadan': 'Magadan, Solomon Islands, New Caledonia',
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'Asia/Kamchatka': 'Kamchatka, Marshall Islands',
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'Pacific/Fiji': 'Fiji Islands',
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'Pacific/Auckland': 'Auckland, Wellington',
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'Pacific/Tongatapu': "Nuku'alofa"
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}
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const buildTzLabels = timezoneList => {
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const pairs = R.toPairs(timezoneList)
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return R.reduce(
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(acc, value) => {
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const isNegative = getTimezoneOffset(value[0]) < 0
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const duration = intervalToDuration({
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start: 0,
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end: Math.abs(getTimezoneOffset(value[0]))
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})
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const hours = duration.hours.toLocaleString('en-US', {
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minimumIntegerDigits: 2,
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useGrouping: false
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})
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const minutes = duration.minutes.toLocaleString('en-US', {
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minimumIntegerDigits: 2,
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useGrouping: false
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})
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const prefix = `(GMT${isNegative ? `-` : `+`}${hours}:${minutes})`
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acc.push({
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label: `${prefix} - ${value[1]}`,
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code: value[0]
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})
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return acc
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},
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[],
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pairs
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)
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}
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export default buildTzLabels(timezones)
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