the result of dayjs("2019-02", "YYYY-MM") is wrong #761
Description
Describe the bug
import dayjs from "dayjs";
import customParseFormat from "dayjs/plugin/customParseFormat";
dayjs.extend(customParseFormat);
2019-02 dayjs format: {dayjs("2019-02", "YYYY-MM").format("YYYY-MM")}
result: 2019-03
expected: 2019-02
Information
- Day.js Version 1.1.18
- OS: mac
- Browser: chrome 79.0.3945.88
- Time: 2019-12-30T15:30:00+08:00
Reproduce address: https://codesandbox.io/s/gifted-feynman-bshbk?fontsize=14&hidenavigation=1&theme=dark