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| 1 | +import { Dayjs } from 'dayjs'; |
| 2 | +import { useMemo, useEffect, useCallback, useState, ChangeEvent } from 'react'; |
| 3 | +import TIME_ZONES from 'timezones-list'; |
| 4 | +import { useCustomForm } from '@/components/common/Form/useCustomForm'; |
| 5 | +import { dayjs } from '@/lib/dayjs'; |
| 6 | +import { useFormPersistence } from '@/hooks/useFormPersistence'; |
| 7 | + |
| 8 | +type DateConverterForm = { |
| 9 | + inputDate: Dayjs | undefined; |
| 10 | + timezone: string | undefined; |
| 11 | + customFormat: string; |
| 12 | +}; |
| 13 | + |
| 14 | +export const useDateTimeConverter = () => { |
| 15 | + const methods = useCustomForm<DateConverterForm>({ |
| 16 | + defaultValues: { |
| 17 | + inputDate: undefined, |
| 18 | + timezone: undefined, |
| 19 | + customFormat: '', |
| 20 | + }, |
| 21 | + }); |
| 22 | + const { watch, control, setValue, getValues } = methods; |
| 23 | + useFormPersistence('datetime_converter', methods, (values) => { |
| 24 | + setValue('inputDate', dayjs(values?.inputDate)); |
| 25 | + setValue('timezone', values?.timezone); |
| 26 | + setValue('customFormat', values?.customFormat); |
| 27 | + }); |
| 28 | + |
| 29 | + const timezones = useMemo( |
| 30 | + () => TIME_ZONES.map(({ label, tzCode }) => ({ label: label, value: tzCode })), |
| 31 | + [], |
| 32 | + ); |
| 33 | + const [output, setOutput] = useState<ReturnType<typeof convert>>(); |
| 34 | + |
| 35 | + const onChangeInputDate = useCallback( |
| 36 | + (date: Dayjs) => { |
| 37 | + setValue('inputDate', date); |
| 38 | + }, |
| 39 | + [setValue], |
| 40 | + ); |
| 41 | + |
| 42 | + const onChangeTimezone = useCallback( |
| 43 | + (event: string) => { |
| 44 | + setValue('timezone', event.toString()); |
| 45 | + }, |
| 46 | + [setValue, onChangeInputDate], |
| 47 | + ); |
| 48 | + |
| 49 | + const onChangeCustomFormat = useCallback( |
| 50 | + (event: ChangeEvent<HTMLInputElement>) => { |
| 51 | + const value = event.target.value; |
| 52 | + setValue('customFormat', value); |
| 53 | + }, |
| 54 | + [setValue], |
| 55 | + ); |
| 56 | + |
| 57 | + useEffect(() => { |
| 58 | + const { inputDate, timezone, customFormat } = getValues(); |
| 59 | + setOutput({ |
| 60 | + ...convert(inputDate, timezone, customFormat), |
| 61 | + }); |
| 62 | + }, [watch('inputDate'), watch('timezone'), watch('customFormat')]); |
| 63 | + |
| 64 | + return { |
| 65 | + methods, |
| 66 | + control, |
| 67 | + output, |
| 68 | + timezones, |
| 69 | + onChangeInputDate, |
| 70 | + onChangeTimezone, |
| 71 | + onChangeCustomFormat, |
| 72 | + }; |
| 73 | +}; |
| 74 | + |
| 75 | +const convert = (date: Dayjs, timezone: string, format: string) => { |
| 76 | + const dateTimezone = dayjs(date).tz(timezone); |
| 77 | + const ISO8601 = dateTimezone.format('YYYY-MM-DDTHH:mm:ssZ[Z]'); |
| 78 | + const fullDate = dateTimezone.format('YYYY/MM/DD HH:mm:ss'); |
| 79 | + const enDate = dateTimezone.format('LL'); |
| 80 | + const enDatetime = dateTimezone.format('LLLL'); |
| 81 | + const year = dateTimezone.format('YYYY'); |
| 82 | + const month = dateTimezone.format('MM'); |
| 83 | + const d = dateTimezone.format('DD'); |
| 84 | + const week = dateTimezone.format('dd'); |
| 85 | + const unixTime = dateTimezone.unix().toString(); |
| 86 | + const customFormat = dateTimezone.format(format); |
| 87 | + |
| 88 | + return { |
| 89 | + ISO8601, |
| 90 | + enDate, |
| 91 | + enDatetime, |
| 92 | + year, |
| 93 | + month, |
| 94 | + d, |
| 95 | + week, |
| 96 | + unixTime, |
| 97 | + fullDate, |
| 98 | + customFormat, |
| 99 | + timezone, |
| 100 | + }; |
| 101 | +}; |
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