chroe: opt cron message style

web/src/util/cron.js

@@ -0,0 +1,27 @@
+import parser from 'cron-parser';
+
+
+const formatDate = (date) => {
+    const year = date.getFullYear();
+    const month = String(date.getMonth() + 1).padStart(2, '0');
+    const day = String(date.getDate()).padStart(2, '0');
+    const hours = String(date.getHours()).padStart(2, '0');
+    const minutes = String(date.getMinutes()).padStart(2, '0');
+    const seconds = String(date.getSeconds()).padStart(2, '0');
+    return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`;
+};
+
+function parseCron(cronExpression) {
+    let nextTime = '';
+    try {
+        const interval = parser.parseExpression(cronExpression);
+        const nextDate = interval.next().toDate();
+        nextTime = formatDate(nextDate);
+    } catch (err) {
+        nextTime = '无效的 Cron 表达式';
+    }
+    return nextTime;
+};
+
+
+export { parseCron };