refactor(tapops): modularize page code

groups/Tapops/js/models/pagination-model.js

@@ -0,0 +1,16 @@
+export class PaginationModel {
+    static range(current, total) {
+        if (total <= 7) return Array.from({ length: total }, (_, index) => index + 1);
+
+        const pages = [1];
+        const low = Math.max(2, current - 1);
+        const high = Math.min(total - 1, current + 1);
+
+        if (low > 2) pages.push('...');
+        for (let page = low; page <= high; page += 1) pages.push(page);
+        if (high < total - 1) pages.push('...');
+        pages.push(total);
+
+        return pages;
+    }
+}