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ES6 JS lightweight data structures (Priority Queue, Binary Search Tree (BST), Graph, Bloom Filters, Trie, Queue, Stack, Linked-List)
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<title>JSDoc: Source: Stack.mjs</title>
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<h1 class="page-title">Source: Stack.mjs</h1>
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<pre class="prettyprint source linenums"><code>/**
* Represents an element in the List.
*/
class Node {
/**
* @param {any} [val] - The value of the element
*/
constructor(val) {
this.val = val ?? null;
this.next = null;
}
}
/**
* Stack Class
*/
class Stack {
constructor() {
this.stack = new Node();
this.head = this.stack;
this.idx = 0;
}
/**
* Push a new value to the stack
* @param {any} val
*/
push(val) {
if (Array.isArray(val)) for (let v of val) this.push(v);
else {
let temp = new Node(val);
temp.next = this.head.next;
this.head.next = temp;
this.idx++;
}
}
/**
* Retrieves and remove next element
* @return {any} element
*/
pop() {
let temp = this.head.next?.val ?? null;
this.head = this.head.next;
this.idx--;
return temp;
}
/**
* Peek next element
* @return {any} element
*/
get peek() {
return this.head.next?.val ?? null;
}
/**
* Returns number of elements
* @return {number} size
*/
get size() {
return this.idx;
}
/**
* Returns true/false if stack is empty
* @return {boolean}
*/
get isEmpty() {
return this.idx === 0;
}
/**
* Converts and return an array from stack
* @return {Array}
*/
toArray() {
let curr = this.head.next;
const arr = [];
while (curr) {
arr.push(curr.val);
curr = curr.next;
}
return arr;
}
/**
* Removes all the elements in the stack
*/
clear() {
this.head = null;
this.idx = 0;
}
}
export { Stack };
</code></pre>
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<nav>
<h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="BloomFilter.html">BloomFilter</a></li><li><a href="BST.html">BST</a></li><li><a href="Element.html">Element</a></li><li><a href="Graph.html">Graph</a></li><li><a href="List.html">List</a></li><li><a href="Node.html">Node</a></li><li><a href="PriorityQueue.html">PriorityQueue</a></li><li><a href="Queue.html">Queue</a></li><li><a href="Stack.html">Stack</a></li><li><a href="TreeElement.html">TreeElement</a></li><li><a href="Trie.html">Trie</a></li></ul>
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Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 3.6.7</a> on Thu Sep 23 2021 00:49:18 GMT-0700 (Pacific Daylight Time)
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