flying-hero
96f6318101
新增: - backend/venv/ - Python 虚拟环境 - backend/start.sh - 启动脚本（使用虚拟环境） - backend/requirements.txt - 依赖列表 - .gitignore - 忽略虚拟环境和缓存文件 说明: - 每个项目使用独立虚拟环境 - 避免依赖冲突 - 启动脚本自动创建和激活虚拟环境
34 lines
922 B
JavaScript
34 lines
922 B
JavaScript
'use strict';
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var GetIntrinsic = require('get-intrinsic');
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var $DateUTC = GetIntrinsic('%Date.UTC%');
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var $isFinite = require('math-intrinsics/isFinite');
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var DateFromTime = require('./DateFromTime');
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var Day = require('./Day');
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var floor = require('./floor');
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var modulo = require('./modulo');
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var MonthFromTime = require('./MonthFromTime');
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var ToInteger = require('./ToInteger');
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var YearFromTime = require('./YearFromTime');
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// https://262.ecma-international.org/5.1/#sec-15.9.1.12
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module.exports = function MakeDay(year, month, date) {
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if (!$isFinite(year) || !$isFinite(month) || !$isFinite(date)) {
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return NaN;
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}
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var y = ToInteger(year);
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var m = ToInteger(month);
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var dt = ToInteger(date);
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var ym = y + floor(m / 12);
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var mn = modulo(m, 12);
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var t = $DateUTC(ym, mn, 1);
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if (YearFromTime(t) !== ym || MonthFromTime(t) !== mn || DateFromTime(t) !== 1) {
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return NaN;
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}
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return Day(t) + dt - 1;
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};
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