no sort

index.ts

 import { countItems } from './src/utils';
-import { Base64, fromUint8Array } from 'js-base64';
+import { Base64 } from 'js-base64';
 
 export default class YGOProDeck {
   main: number[] = [];
   extra: number[] = [];
   side: number[] = [];
 
-  private sort() {
-    this.main.sort();
-    this.extra.sort();
-    this.side.sort();
-  }
-
   bufferLength() {
     const counted = [this.main, this.extra, this.side].map(countItems);
     return counted.reduce((a, b) => a + b.size * 4, 0);
@@ -61,7 +55,6 @@ export default class YGOProDeck {
         cards.push(id);
       }
     }
-    this.sort();
     return this;
   }
 
@@ -107,7 +100,6 @@ export default class YGOProDeck {
         current.push(parseInt(line, 10));
       }
     }
-    this.sort();
     return this;
   }