add new utilitary functions

the-funnel · Apr 17, 2021 · dc33f3c · dc33f3c
1 parent 068f5a9
commit dc33f3c
Show file tree

Hide file tree

Showing 4 changed files with 32 additions and 0 deletions.
diff --git a/packages/reakit/src/Composite/__utils/fillGroups.ts b/packages/reakit/src/Composite/__utils/fillGroups.ts
@@ -11,6 +11,22 @@ function createEmptyItem(groupId?: string) {
   };
 }
 
+// TODO: implement unit test
+export function createEmptyItems(size: number, groupId?: string) {
+  const items = [];
+
+  for (let i = 0; i++; i < size) {
+    items.push({
+      id: "__EMPTY_ITEM__",
+      disabled: true,
+      ref: { current: null },
+      groupId,
+    });
+  }
+
+  return items;
+}
+
 /**
  * Turns [[row1, row1], [row2]] into [[row1, row1], [row2, row2]]
  */

diff --git a/packages/reakit/src/Composite/__utils/findFirstEnabledItem.ts b/packages/reakit/src/Composite/__utils/findFirstEnabledItem.ts
@@ -6,3 +6,13 @@ export function findFirstEnabledItem(items: Item[], excludeId?: string) {
   }
   return items.find((item) => !item.disabled);
 }
+
+// TODO: define function's return type
+export function findLastEnabledItem(items: Item[], excludeId?: string) {
+  if (excludeId) {
+    return items
+      .reverse()
+      .find((item) => !item.disabled && item.id !== excludeId);
+  }
+  return items.reverse().find((item) => !item.disabled);
+}
diff --git a/packages/reakit/src/Composite/__utils/getItemsInGroup.ts b/packages/reakit/src/Composite/__utils/getItemsInGroup.ts
@@ -3,3 +3,8 @@ import { Item } from "./types";
 export function getItemsInGroup(items: Item[], groupId?: string) {
   return items.filter((item) => item.groupId === groupId);
 }
+
+// TODO: implement unit test
+export function getDisabledItems(items: Item[]) {
+  return items.filter((item) => item.disabled);
+}
diff --git a/packages/reakit/src/Composite/__utils/groupItems.ts b/packages/reakit/src/Composite/__utils/groupItems.ts
@@ -1,5 +1,6 @@
 import { Item } from "./types";
 
+// todo: define this function return type
 export function groupItems(items: Item[]) {
   const groups = [[]] as Item[][];