fix: make type corrections

Author: JCPedroza

src/data-structures/queue/queue-array.js

@@ -3,6 +3,7 @@
  */
 class Queue {
   constructor () {
+    /** @type {any[]} */
     this._dataArray = []
   }
 
@@ -44,8 +45,8 @@ class Queue {
   /**
    * Add data to the back of the queue.
    * Time complexity: O(1) from push().
-   * @param {*} data Data to be added.
-   * @returns {Object} This queue.
+   * @param {any} data Data to be added.
+   * @returns {Queue} This queue.
    */
   enqueue (data) {
     this._dataArray.push(data)

src/data-structures/queue/queue.test.js

@@ -3,7 +3,21 @@ const { describe, it } = require('node:test')
 
 const structures = require('./queue.repo')
 
-const validateState = (queue, length, isEmpty, peek) => {
+/**
+ * @typedef Queue
+ * @property {number} length
+ * @property {() => boolean} isEmpty
+ * @property {() => any} peek
+ * @property {(data: any) => Queue} enqueue
+ */
+
+/**
+ * @param {Queue} queue
+ * @param {number} length
+ * @param {boolean} isEmpty
+ * @param {any} peek
+ */
+const validateState = (queue, length, isEmpty, peek = null) => {
   assert.equal(queue.length, length)
   assert.equal(queue.isEmpty(), isEmpty)