"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.IsTimeZone = exports.isTimeZone = exports.IS_TIMEZONE = void 0;
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const ValidateBy_1 = require("../common/ValidateBy");
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exports.IS_TIMEZONE = 'isTimeZone';
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/**
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* Checks if the string represents a valid IANA timezone
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* If the given value is not a valid IANA timezone, then it returns false.
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*/
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function isTimeZone(value) {
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try {
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if (typeof value !== 'string') {
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return false;
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}
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/** Specifying an invalid time-zone will raise a `RangeError: Invalid time zone specified` error. */
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Intl.DateTimeFormat(undefined, { timeZone: value });
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return true;
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}
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catch (exception) {
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return false;
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}
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}
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exports.isTimeZone = isTimeZone;
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/**
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* Checks if the string represents a valid IANA timezone
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* If the given value is not a valid IANA timezone, then it returns false.
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*/
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function IsTimeZone(validationOptions) {
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return (0, ValidateBy_1.ValidateBy)({
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name: exports.IS_TIMEZONE,
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validator: {
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validate: (value, args) => isTimeZone(value),
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defaultMessage: (0, ValidateBy_1.buildMessage)(eachPrefix => eachPrefix + '$property must be a valid IANA time-zone', validationOptions),
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},
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}, validationOptions);
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}
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exports.IsTimeZone = IsTimeZone;
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//# sourceMappingURL=IsTimeZone.js.map
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