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Configuration error
Configuration error
; | |
var GetIntrinsic = require('get-intrinsic'); | |
var $EvalError = GetIntrinsic('%EvalError%'); | |
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); | |
}; | |