Migrate to TS to get better code completion

.gitattributes

@@ -0,0 +1 @@
+* text=auto eol=lf

package.json

@@ -15,6 +15,8 @@
     "copyfiles": "^2.4.1",
     "css-loader": "^7.1.2",
     "mini-css-extract-plugin": "^2.9.0",
+    "ts-loader": "^9.5.1",
+    "typescript": "^5.5.3",
     "webpack": "^5.92.0",
     "webpack-cli": "^5.1.4"
   }

src/commands/command-factory.js

@@ -18,11 +18,15 @@ class Command {
     }
 
     execute() {
-        if (this.elements !== null) {
-            this.operation(...this.elements);
-        } else {
-            this.operation();
-        }
+
+        setTimeout(() => {
+            if (this.elements !== null) {
+                this.operation(...this.elements);
+            } else {
+                this.operation();
+            }
+        }, 0);
+
     }
 }
 
@@ -57,7 +61,7 @@ export const OPERATIONS = {
         TOGGLE_CHANGE_COLOR_BOX: 'toggle-change-color-box',
         TOGGLE_TURN_INTO_BOX: 'toggle-turn-into-box',
         TOGGLE_INPUT_LINK_BOX: 'toggle-input-link-box',
-        INPUT_LINK_URL: 'input-link-url',  
+        INPUT_LINK_URL: 'input-link-url',
         TOGGLE_ENCLOSE_SELECTED_TEXT_TO: 'toggle-enclose-selected-text-to',
     },
 

src/common/JCircularLinkedList.ts

@@ -0,0 +1,46 @@
+import JNode from './JNode';
+
+class JCircularLinkedList<T extends JNode<T>> {
+
+    head: T | null = null;
+    tail: T | null = null;
+
+    length: number = 0;
+
+    constructor() {
+
+    }
+
+    append(node: T): void {
+
+        if (!this.head || !this.tail) {
+
+            this.head = node;
+            this.tail = node;
+
+            this.head.setNext(this.tail);
+            this.head.setPrevious(this.tail);
+
+        } else {
+            node.setPrevious(this.tail);
+            node.setNext(this.head);
+
+            this.tail.setNext(node);
+            this.head.setPrevious(node);
+
+            this.tail = node;
+        }
+
+        this.length++;
+    }
+
+    getFirst(): T | null {
+        return this.head;
+    }
+
+    getLast(): T | null {
+        return this.tail;
+    }
+}
+
+export default JCircularLinkedList;