Task 80% complete

task_2_ts/ts/persistance.ts

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+import {
+    PersistanceConfig
+} from './types';
+
+// Using localStorage for persistance
+const persistanceStore: PersistanceConfig = JSON.parse( localStorage.getItem( 'persistance' ) ?? '{}' );
+
+export const store = (
+    filename: string,
+    size: number,
+    sorted: string,
+    active: string
+) => {
+    persistanceStore[ `${ filename }-${ size }` ] = {
+        'active': active,
+        'sorted': sorted
+    };
+    localStorage.setItem( 'persistance', JSON.stringify( persistanceStore ) );
+};
+
+
+export const get = ( filename: string, size: number ) => {
+    return persistanceStore[ `${ filename }-${ size }` ];
+};