57 lines
2.5 KiB
JavaScript
57 lines
2.5 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 = zonedTimeToUtc;
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var _index = _interopRequireDefault(require("date-fns/_lib/cloneObject/index.js"));
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var _index2 = _interopRequireDefault(require("../toDate/index.js"));
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var _index3 = _interopRequireDefault(require("../_lib/tzPattern/index.js"));
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var _index4 = _interopRequireDefault(require("../_lib/tzParseTimezone/index.js"));
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var _index5 = _interopRequireDefault(require("../_lib/newDateUTC/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 zonedTimeToUtc
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* @category Time Zone Helpers
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* @summary Get the UTC date/time from a date representing local time in a given time zone
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*
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* @description
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* Returns a date instance with the UTC time of the provided date of which the values
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* represented the local time in the time zone specified. In other words, if the input
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* date represented local time in time time zone, the timestamp of the output date will
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* give the equivalent UTC of that local time regardless of the current system time zone.
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*
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* @param {Date|String|Number} date - the date with values representing the local time
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* @param {String} timeZone - the time zone of this local time, 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 in Los Angeles is 5pm UTC
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* const result = zonedTimeToUtc(new Date(2014, 5, 25, 10, 0, 0), 'America/Los_Angeles')
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* //=> 2014-06-25T17:00:00.000Z
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*/
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function zonedTimeToUtc(date, timeZone, options) {
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if (typeof date === 'string' && !date.match(_index3.default)) {
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var extendedOptions = (0, _index.default)(options);
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extendedOptions.timeZone = timeZone;
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return (0, _index2.default)(date, extendedOptions);
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}
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var d = (0, _index2.default)(date, options);
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var utc = (0, _index5.default)(d.getFullYear(), d.getMonth(), d.getDate(), d.getHours(), d.getMinutes(), d.getSeconds(), d.getMilliseconds()).getTime();
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var offsetMilliseconds = (0, _index4.default)(timeZone, new Date(utc));
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return new Date(utc + offsetMilliseconds);
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}
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module.exports = exports.default; |