send

tgui/packages/common/collections.ts

@@ -306,3 +306,24 @@ export const zip = <T extends unknown[][]>(...arrays: T): Zip<T> => {
 export const zipWith = iterateeFn => (...arrays) => {
   return map(values => iterateeFn(...values))(zip(...arrays));
 };
+
+/**
+ * This method takes a collection of items and a number, returning a collection
+ * of collections, where the maximum amount of items in each is that second arg
+ */
+export const paginate = <T>(collection: T[], maxPerPage: number): T[][] => {
+  const pages: T[][] = [];
+  let page: T[] = [];
+  let itemsToAdd = maxPerPage;
+
+  for (const item of collection) {
+    page.push(item);
+    itemsToAdd--;
+    if (!itemsToAdd) {
+      itemsToAdd = maxPerPage;
+      pages.push(page);
+      page = [];
+    }
+  }
+  return pages;
+};