| 1 |
|
| 2 | !function(exports) {
|
| 3 | exports.guessZone = guessZone
|
| 4 | guessZone.zones = {
|
| 5 | "-480d": "America/Los_Angeles",
|
| 6 | "-420": "America/Phoenix",
|
| 7 | "-420d": "America/Denver",
|
| 8 | "-360": "America/Guatemala",
|
| 9 | "-360d": "America/Chicago",
|
| 10 | "-300": "America/Bogota",
|
| 11 | "-300d": "America/New_York",
|
| 12 | "-270": "America/Caracas",
|
| 13 | "-240d": "America/Halifax",
|
| 14 | "-240": "America/Santo_Domingo",
|
| 15 | "-240s": "America/Asuncion",
|
| 16 | "-210d": "America/St_Johns",
|
| 17 | "-180d": "America/Godthab",
|
| 18 | "-180": "America/Argentina/Buenos_Aires",
|
| 19 | "-180s": "America/Montevideo",
|
| 20 | "-120": "America/Noronha",
|
| 21 | "-120d": "America/Noronha",
|
| 22 | "0": "UTC",
|
| 23 | "0d": "Europe/London",
|
| 24 | "60d": "Europe/Berlin",
|
| 25 | "60": "Africa/Lagos",
|
| 26 | "60S": "Africa/Windhoek",
|
| 27 | "120d": "Asia/Beirut",
|
| 28 | "120": "Africa/Johannesburg",
|
| 29 | "180": "Asia/Baghdad",
|
| 30 | "180d": "Europe/Moscow",
|
| 31 | "210d": "Asia/Tehran",
|
| 32 | "240": "Asia/Dubai",
|
| 33 | "240d": "Asia/Baku",
|
| 34 | "270": "Asia/Kabul",
|
| 35 | "300d": "Asia/Yekaterinburg",
|
| 36 | "300": "Asia/Karachi",
|
| 37 | "330": "Asia/Kolkata",
|
| 38 | "345": "Asia/Kathmandu",
|
| 39 | "360": "Asia/Dhaka",
|
| 40 | "360d": "Asia/Omsk",
|
| 41 | "390": "Asia/Rangoon",
|
| 42 | "420d": "Asia/Krasnoyarsk",
|
| 43 | "420": "Asia/Jakarta",
|
| 44 | "480": "Asia/Shanghai",
|
| 45 | "480d": "Asia/Irkutsk",
|
| 46 | "525": "Australia/Eucla",
|
| 47 | "525s": "Australia/Eucla",
|
| 48 | "540d": "Asia/Yakutsk",
|
| 49 | "540": "Asia/Tokyo",
|
| 50 | "570": "Australia/Darwin",
|
| 51 | "570s": "Australia/Adelaide",
|
| 52 | "600": "Australia/Brisbane",
|
| 53 | "600d": "Asia/Vladivostok",
|
| 54 | "600s": "Australia/Sydney",
|
| 55 | "630s": "Australia/Lord_Howe",
|
| 56 | "660d": "Asia/Kamchatka",
|
| 57 | "660": "Pacific/Noumea",
|
| 58 | "690": "Pacific/Norfolk",
|
| 59 | "720s": "Pacific/Auckland",
|
| 60 | "720": "Pacific/Majuro",
|
| 61 | "765s": "Pacific/Chatham",
|
| 62 | "780": "Pacific/Tongatapu",
|
| 63 | "780s": "Pacific/Apia",
|
| 64 | "840": "Pacific/Kiritimati"
|
| 65 | }
|
| 66 |
|
| 67 | function guessZone(arr, map) {
|
| 68 | var zone
|
| 69 |
|
| 70 | try {
|
| 71 | zone = Intl.DateTimeFormat().resolvedOptions().timeZone
|
| 72 |
|
| 73 | } catch (e) {
|
| 74 | var diff
|
| 75 | , zones = Object.assign(guessZone.zones, map)
|
| 76 | , date = new Date(2015, 0, 1)
|
| 77 | , offset = -date.getTimezoneOffset()
|
| 78 | , i = 0
|
| 79 | , len = arr && arr.length
|
| 80 |
|
| 81 | date.setMonth(5)
|
| 82 | if (diff = -date.getTimezoneOffset() - offset) {
|
| 83 | offset += diff > 0 ? "d" : "s"
|
| 84 | }
|
| 85 |
|
| 86 | for (; !zone && i < len; ) if (diff = arr[i++]) {
|
| 87 | zone = zones[diff + offset] || zones[diff.split("-")[0] + offset]
|
| 88 | }
|
| 89 | }
|
| 90 | return zone || zones[offset]
|
| 91 | }
|
| 92 | }(this.Date || this)
|
| 93 |
|