feat: migrate admin content and moderation modules

admin/src/lib/admin-format.ts

@@ -0,0 +1,64 @@
+export function formatDateTime(value: string | null | undefined) {
+  if (!value) {
+    return 'Not available'
+  }
+
+  const date = new Date(value)
+
+  if (Number.isNaN(date.getTime())) {
+    return value
+  }
+
+  return new Intl.DateTimeFormat('en-US', {
+    dateStyle: 'medium',
+    timeStyle: 'short',
+  }).format(date)
+}
+
+export function emptyToNull(value: string) {
+  const trimmed = value.trim()
+  return trimmed ? trimmed : null
+}
+
+export function linesToList(value: string) {
+  return value
+    .split('\n')
+    .map((item) => item.trim())
+    .filter(Boolean)
+}
+
+export function csvToList(value: string) {
+  return value
+    .split(',')
+    .map((item) => item.trim())
+    .filter(Boolean)
+}
+
+export function postTagsToList(value: unknown) {
+  if (!Array.isArray(value)) {
+    return []
+  }
+
+  return value
+    .map((item) => (typeof item === 'string' ? item.trim() : ''))
+    .filter(Boolean)
+}
+
+export function reviewTagsToList(value: string | null | undefined) {
+  if (!value) {
+    return []
+  }
+
+  try {
+    const parsed = JSON.parse(value) as unknown
+    if (Array.isArray(parsed)) {
+      return parsed
+        .map((item) => (typeof item === 'string' ? item.trim() : ''))
+        .filter(Boolean)
+    }
+  } catch {
+    return csvToList(value)
+  }
+
+  return []
+}