Add to allow fixing vaadin/flow-components#6648

datadobi · Sep 17, 2024 · 9e52cad · 9e52cad
1 parent 9c84e5c
commit 9e52cad
Show file tree

Hide file tree

Showing 2 changed files with 19 additions and 0 deletions.
diff --git a/packages/component-base/src/data-provider-controller/cache.d.ts b/packages/component-base/src/data-provider-controller/cache.d.ts
@@ -85,6 +85,11 @@ export class Cache<TItem> {
    */
   setPage(page: number, items: unknown[]): void;
 
+  /**
+   * Clears the entries for the given page from the `items` array.
+   */
+  clearPage(page: number): void;
+
   /**
    * Retrieves the sub-cache associated with the item at the given index
    * in the `items` array.

diff --git a/packages/component-base/src/data-provider-controller/cache.js b/packages/component-base/src/data-provider-controller/cache.js
@@ -205,6 +205,20 @@ export class Cache {
     });
   }
 
+  /**
+   * Clears the entries for the given page from the `items` array.
+   *
+   * @param {number} page
+   */
+  clearPage(page) {
+    const startIndex = page * this.pageSize;
+    let endIndex = startIndex + this.pageSize;
+    if (this.size !== undefined && endIndex >= this.size) {
+      endIndex = this.size;
+    }
+    this.items.fill(undefined, startIndex, endIndex);
+  }
+
   /**
    * Retrieves the sub-cache associated with the item at the given index
    * in the `items` array.