2311061106/frontend/node_modules/es-abstract/2024/SystemTimeZoneIdentifier.js
23175 b8b09fd9d4
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完成作业
2025-12-14 16:02:40 +08:00

19 lines
530 B
JavaScript

'use strict';
var callBind = require('call-bind');
var I402 = typeof Intl === 'undefined' ? null : Intl;
var DateTimeFormat = !!I402 && I402.DateTimeFormat;
var resolvedOptions = !!DateTimeFormat && callBind(DateTimeFormat.prototype.resolvedOptions);
// https://262.ecma-international.org/15.0/#sec-systemtimezoneidentifier
module.exports = function SystemTimeZoneIdentifier() {
if (DateTimeFormat && resolvedOptions) {
return resolvedOptions(new DateTimeFormat()).timeZone; // steps 2 - 3
}
return 'UTC'; // step 1
};