moment.js扩展库moment-range.js时间范围处理工具

const moment = require('moment');
const MomentRange = require('moment-range');
MomentRange.extendMoment(moment);
const range = moment.range('2014-11-01', '2015-02-01');
// 月份
let months = Array.from(range.by('month')).map(
    month => month.format('YYYY-MM-DD')
);
console.log(months);
// [ '2014-11-01', '2014-12-01', '2015-01-01', '2015-02-01' ]
// 年份
const years = Array.from(range.by('year')).map(
    month => month.year()
);
console.log(years);
// [ 2014 ]
// 星期
const weeks = Array.from(range.by('week')).map(
    month => [
        month.startOf('week').format('YYYY-MM-DD'),
        month.endOf('week').format('YYYY-MM-DD'),
    ]
);
console.log(weeks);
// [ [ '2014-10-26', '2014-11-01' ],
//   [ '2014-11-02', '2014-11-08' ],
//   [ '2014-11-09', '2014-11-15' ],
//   [ '2014-11-16', '2014-11-22' ],
//   [ '2014-11-23', '2014-11-29' ],
//   [ '2014-11-30', '2014-12-06' ],
//   [ '2014-12-07', '2014-12-13' ],
//   [ '2014-12-14', '2014-12-20' ],
//   [ '2014-12-21', '2014-12-27' ],
//   [ '2014-12-28', '2015-01-03' ],
//   [ '2015-01-04', '2015-01-10' ],
//   [ '2015-01-11', '2015-01-17' ],
//   [ '2015-01-18', '2015-01-24' ],
//   [ '2015-01-25', '2015-01-31' ] 
// ]
// 季度
const quarters = Array.from(range.by('quarter')).map(
    month => month.format('[Q]Q')
);
console.log(quarters);
//[ 'Q4', 'Q1' ]