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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | 1x 1x 16x 1x 1x 1x 3x 1x 3x 1x 3x 1x 3x 1x 3x 1x 3x 16x 26x | /*
簡易日付処理。
[注意] 規模が大きくなれば moment 等を導入する
*/
import * as number from './number';
/**
* なんちゃって書式処理
*
* @param format y*, M*, d*, H*, m*, s*
* https://docs.microsoft.com/ja-jp/dotnet/standard/base-types/custom-date-and-time-format-strings
* @param date
*/
export function format(format: string, date: Date) {
const map: { [key: string]: (s: string) => string } = {
'y': s => (date.getFullYear() - 2000).toString(), // getYaer が ts にないっていうね...
'yy': s => number.padding(date.getFullYear() - 2000, 2, '0'),
'yyy': s => number.padding(date.getFullYear(), 3, '0'),
'yyyy': s => number.padding(date.getFullYear(), 4, '0'),
'yyyyy': s => number.padding(date.getFullYear(), 5, '0'),
'M': s => (date.getMonth() + 1).toString(),
'MM': s => number.padding(date.getMonth() + 1, 2, '0'),
'd': s => date.getDate().toString(),
'dd': s => number.padding(date.getDate(), 2, '0'),
'H': s => date.getHours().toString(),
'HH': s => number.padding(date.getHours(), 2, '0'),
'm': s => date.getMinutes().toString(),
'mm': s => number.padding(date.getMinutes(), 2, '0'),
's': s => date.getSeconds().toString(),
'ss': s => number.padding(date.getSeconds(), 2, '0'),
};
return format.replace(
/((y{1,5})|(M{1,2})|(d{1,2})|(H{1,2})|(m{1,2})|(s{1,2}))/g,
m => {
return map[m](m);
}
);
}
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