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src/components/util.ts

@@ -18,7 +18,7 @@
  */
 
 export function window<T>(arr: T[], len: number): T[][] {
-    let result: T[][] = [];
+    const result: T[][] = [];
     for (let i = 0; i < arr.length; i += len) {
         result.push(arr.slice(i, i + len));
     }