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

@@ -0,0 +1,13 @@
+module.exports = 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()]})`
+	);
+};