dayjs-date-tools

基于 dayjs 的常用时间工具函数，使用 typescript 编写，cypress 测试

CHANGELOG

CHANGELOG.md

安装

npm i -S dayjs-date-tools

下文函数均支持按需引用

range

getFirstDayAndEndDayOfMonth

获取日期所在月份的第一天和最后一天

getFirstDayAndEndDayOfMonth("2022-03", "YYYY-MM-DD"); //["2022-03-01","2022-03-31"]

getFirstDayAndEndDayOfWeek

获取日期所在周的第一天和最后一天

getFirstDayAndEndDayOfWeek("2022-03-11", "YYYY-MM-DD"); //["2022-03-07","2022-03-13"]

isBetween

判断日期是否在 start end 范围内

isBetween("2022-01-01", "2022-01-01", "2022-03-12"); //true
isBetween("2021-12-31", "2022-01-01", "2022-03-12"); //false

diff

计算日期的差值

diff("2022-03-14 00:00:00", "2022-03-13 23:59:59"); //1000 不传unit默认为毫秒
diff("2022-03-14 00:00:00", "2022-03-13 23:59:59", "second"); //1 秒
diff("2022-03-14 00:00:00", "2022-03-13 23:59:00", "minute"); //1 分钟
diff("2022-03-14 1:00:00", "2022-03-13 22:00:00", "hour"); //1 小时
diff("2022-03-14", "2022-03-13", "day"); //1 天
diff("2022-03-13", "2022-03-06", "week"); //1 周
diff("2022-04", "2022-03", "month"); //1 月
diff("2023-03", "2022-03", "year"); //1 年

compare

isSameOrBefore

判断日期是否小于等于另一个日期

isSameOrBefore("2022-03-12", "2022-03-12"); //true
isSameOrBefore("2022-03-11", "2022-03-12"); //true
isSameOrBefore("2022-03-13", "2022-03-12"); //false

isSameOrAfter

判断日期是否大于等于另一个日期

isSameOrBefore("2022-03-12", "2022-03-12"); //true
isSameOrBefore("2022-03-11", "2022-03-12"); //true
isSameOrBefore("2022-03-13", "2022-03-12"); //false

format

format

格式化日期

format("2022/03/14"); //2022-03-14 默认格式
format("2022-03-14", "YYYY/MM/DD"); //2022/03/14
format("2022-03-14", "YYYY-MM"); //2022-03

getMonth

获取月份

getMonth("2022-03"); //3

getChineseMonth

获取中文月份

getChineseMonth("2022-03"); //3月

getWeek

获取当前周是全年第几周

getWeek("2022-01-02"); //52
getWeek("2022-12-31"); //52
getWeek("2022-01-03"); //1
getWeek("2022-01-10"); //2

getStartOfWeek

获取当前周一

getStartOfWeek("2022-03-14"); //2022-03-14
getStartOfWeek("2022-03-13"); //2022-03-07

getEndOfWeek

获取当前周末

getEndOfWeek("2022-03-14"); //2022-03-20
getEndOfWeek("2022-03-13"); //2022-03-13

getStartOfMonth

获取当月第一天

getStartOfMonth("2022-03-14"); //2022-03-01
getStartOfMonth("2022-02"); //2022-02-01

getEndOfMonth

获取当月最后一天

getEndOfMonth("2022-03-14"); //2022-03-31
getEndOfMonth("2022-02"); //2022-02-28