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dewedev/node_modules/es-abstract/2022/InLeapYear.js
dwindown 7f2dd5260f Initial commit: Developer Tools MVP with visual editor
- Complete React app with 7 developer tools
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2025-08-02 09:31:26 +07:00

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JavaScript

'use strict';
var $EvalError = require('es-errors/eval');
var DaysInYear = require('./DaysInYear');
var YearFromTime = require('./YearFromTime');
// https://262.ecma-international.org/5.1/#sec-15.9.1.3
module.exports = function InLeapYear(t) {
var days = DaysInYear(YearFromTime(t));
if (days === 365) {
return 0;
}
if (days === 366) {
return 1;
}
throw new $EvalError('Assertion failed: there are not 365 or 366 days in a year, got: ' + days);
};