48 lines
2.1 KiB
JavaScript
48 lines
2.1 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = utcToZonedTime;
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var _index = _interopRequireDefault(require("../_lib/tzParseTimezone/index.js"));
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var _index2 = _interopRequireDefault(require("../toDate/index.js"));
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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/**
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* @name utcToZonedTime
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* @category Time Zone Helpers
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* @summary Get a date/time representing local time in a given time zone from the UTC date
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*
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* @description
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* Returns a date instance with values representing the local time in the time zone
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* specified of the UTC time from the date provided. In other words, when the new date
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* is formatted it will show the equivalent hours in the target time zone regardless
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* of the current system time zone.
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*
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* @param {Date|String|Number} date - the date with the relevant UTC time
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* @param {String} timeZone - the time zone to get local time for, can be an offset or IANA time zone
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* @param {OptionsWithTZ} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
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* @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
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* @returns {Date} the new date with the equivalent time in the time zone
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* @throws {TypeError} 2 arguments required
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* @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
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*
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* @example
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* // In June 10am UTC is 6am in New York (-04:00)
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* const result = utcToZonedTime('2014-06-25T10:00:00.000Z', 'America/New_York')
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* //=> Jun 25 2014 06:00:00
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*/
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function utcToZonedTime(dirtyDate, timeZone, options) {
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var date = (0, _index2.default)(dirtyDate, options);
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var offsetMilliseconds = (0, _index.default)(timeZone, date, true);
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var d = new Date(date.getTime() - offsetMilliseconds);
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var resultDate = new Date(0);
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resultDate.setFullYear(d.getUTCFullYear(), d.getUTCMonth(), d.getUTCDate());
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resultDate.setHours(d.getUTCHours(), d.getUTCMinutes(), d.getUTCSeconds(), d.getUTCMilliseconds());
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return resultDate;
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}
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module.exports = exports.default; |