Introduce processor

src/web/app/common/scripts/date-stringify.ts

@@ -1,13 +0,0 @@
-export default date => {
-	if (typeof date == 'string') date = new Date(date);
-	return (
-		date.getFullYear()    + '年' +
-		(date.getMonth() + 1) + '月' +
-		date.getDate()        + '日' +
-		' ' +
-		date.getHours()       + '時' +
-		date.getMinutes()     + '分' +
-		' ' +
-		`(${['日', '月', '火', '水', '木', '金', '土'][date.getDay()]})`
-	);
-};