IsTimeZoneOffsetString.jsā¢683 B
'use strict';
var $TypeError = require('es-errors/type');
var regexTester = require('safe-regex-test');
// https://tc39.es/ecma262/#sec-istimezoneoffsetstring
// implementation taken from https://github.com/tc39/proposal-temporal/blob/21ee5b13f0672990c807475ba094092d19dd6dc5/polyfill/lib/ecmascript.mjs#L2140
var OFFSET = /^([+\u2212-])([01][0-9]|2[0-3])(?::?([0-5][0-9])(?::?([0-5][0-9])(?:[.,](\d{1,9}))?)?)?$/;
var testOffset = regexTester(OFFSET);
module.exports = function IsTimeZoneOffsetString(offsetString) {
if (typeof offsetString !== 'string') {
throw new $TypeError('Assertion failed: `offsetString` must be a String');
}
return testOffset(offsetString);
};