fix(table): pagesize

components/setting/pageSize.ts

@@ -0,0 +1,71 @@
+const CUSTOM_PAGE_SIZE_STORAGE_KEY = "cowa:custom-records-per-page-options:v1"
+
+function normalizePageSizeOptions(values: number[]) {
+  return Array.from(
+    new Set(values.filter((value) => Number.isInteger(value) && value > 0))
+  ).sort((a, b) => a - b)
+}
+
+function normalizeCustomPageSizeCache(value: unknown) {
+  if (!Array.isArray(value)) return []
+
+  return normalizePageSizeOptions(value.map((item) => Number(item)))
+}
+
+export function resolvePageSizeWithinOptions(
+  pageSize: number | undefined,
+  availableOptions: number[],
+  fallbackPageSize: number
+) {
+  const normalizedOptions = normalizePageSizeOptions(availableOptions)
+
+  if (
+    typeof pageSize === "number" &&
+    Number.isInteger(pageSize) &&
+    pageSize > 0 &&
+    normalizedOptions.includes(pageSize)
+  ) {
+    return pageSize
+  }
+
+  if (
+    Number.isInteger(fallbackPageSize) &&
+    fallbackPageSize > 0 &&
+    normalizedOptions.includes(fallbackPageSize)
+  ) {
+    return fallbackPageSize
+  }
+
+  return normalizedOptions[0] ?? fallbackPageSize
+}
+
+export function getPersistedPageSizeOptions(defaultOptions: number[]) {
+  const normalizedDefaultOptions = normalizePageSizeOptions(defaultOptions)
+
+  if (typeof window === "undefined") {
+    return normalizedDefaultOptions
+  }
+
+  try {
+    const rawValue = window.localStorage.getItem(CUSTOM_PAGE_SIZE_STORAGE_KEY)
+    if (!rawValue) {
+      return normalizedDefaultOptions
+    }
+
+    const parsedValue = JSON.parse(rawValue) as
+      | { state?: { customPageSizeCache?: unknown } }
+      | number[]
+      | null
+
+    const customPageSizeCache = Array.isArray(parsedValue)
+      ? normalizeCustomPageSizeCache(parsedValue)
+      : normalizeCustomPageSizeCache(parsedValue?.state?.customPageSizeCache)
+
+    return normalizePageSizeOptions([
+      ...normalizedDefaultOptions,
+      ...customPageSizeCache,
+    ])
+  } catch {
+    return normalizedDefaultOptions
+  }
+}