@blueprintjs/datetime
Version:
Components for interacting with dates and times
39 lines • 1.69 kB
JavaScript
;
/*
* Copyright 2022 Palantir Technologies, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.getCurrentTimezone = void 0;
var timezoneItems_1 = require("./timezoneItems");
/**
* Keep the returned timezone constant for a page load.
*/
var memoizedTimezone = null;
/**
* Gets the users current time zone, for example "Europe/Oslo".
* This is currently backed by the browser or computer's locale setting.
*/
function getCurrentTimezone() {
var _a;
if (memoizedTimezone === null) {
// Unsupported in IE, which newer Blueprint components do not support.
// In the unlikely case that the browser API returns undefined, we default to UTC.
// @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat/resolvedOptions
memoizedTimezone = (_a = Intl.DateTimeFormat().resolvedOptions().timeZone) !== null && _a !== void 0 ? _a : timezoneItems_1.UTC_TIME.ianaCode;
}
return memoizedTimezone;
}
exports.getCurrentTimezone = getCurrentTimezone;
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