feat(frontend): add time manager and unify date formats

open-isle-cli/src/utils/time.js

@@ -0,0 +1,32 @@
+export default class TimeManager {
+  static format(input) {
+    const date = new Date(input)
+    if (Number.isNaN(date.getTime())) return ''
+
+    const now = new Date()
+    const startOfToday = new Date(now.getFullYear(), now.getMonth(), now.getDate())
+    const startOfDate = new Date(date.getFullYear(), date.getMonth(), date.getDate())
+    const diffDays = Math.floor((startOfToday - startOfDate) / 86400000)
+
+    const hh = date.getHours().toString().padStart(2, '0')
+    const mm = date.getMinutes().toString().padStart(2, '0')
+    const timePart = `${hh}:${mm}`
+
+    if (diffDays === 0) return `今天 ${timePart}`
+    if (diffDays === 1) return `昨天 ${timePart}`
+    if (diffDays === 2) return `两天前 ${timePart}`
+
+    const month = date.getMonth() + 1
+    const day = date.getDate()
+
+    if (date.getFullYear() === now.getFullYear()) {
+      return `${month}.${day} ${timePart}`
+    }
+
+    if (date.getFullYear() === now.getFullYear() - 1) {
+      return `去年 ${month}.${day} ${timePart}`
+    }
+
+    return `${date.getFullYear()}.${month}.${day} ${timePart}`
+  }
+}