first commit

apps/miniprogram/utils/pagination.js

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+/**
+ * 简单分页工具：统一日志与闪念的 15 条/页规则。
+ */
+function pageOf(list, page, pageSize) {
+  const safeSize = Math.max(1, Number(pageSize) || 15);
+  const total = Array.isArray(list) ? list.length : 0;
+  const totalPages = Math.max(1, Math.ceil(total / safeSize));
+  const safePage = Math.min(Math.max(1, Number(page) || 1), totalPages);
+  const start = (safePage - 1) * safeSize;
+  const end = start + safeSize;
+  const rows = Array.isArray(list) ? list.slice(start, end) : [];
+  return { rows, total, totalPages, page: safePage, pageSize: safeSize };
+}
+
+module.exports = { pageOf };