samteb

const swap = (arr, idx1, idx2) => {
    [ arr[idx1], arr[idx2] ] = [ arr[idx2], arr[idx1] ];
};

/*********** Bubble Sort O(n^2) ***********/

const bubbleSort = (arr) => {
    let noSwaps;
    for (let i = arr.length; i > 0; i--) {
        noSwaps = true;

samteb

class Node {
    constructor (val) {
        this.val = val;
        this.next = null;
    }
}

class SinglyLinkedList {
    constructor () {
        this.head = null;

samteb

class Node {
    constructor (val) {
        this.val = val;
        this.prev = null;
        this.next = null;
    }
}

class DoublyLinkedList {
    constructor () {

samteb

class Node {
    constructor (value) {
        this.value = value;
        this.left = null;
        this.right = null;
    }
}

class BinarySearchTree {
    constructor () {

samteb

class MaxBinaryHeap {
    constructor () {
        this.values = [];
    }

    insert (value) {
        this.values.push(value);
        this.bubbleUp();
    }

samteb

class Node {
    constructor (value, priority) {
        this.value = value;
        this.priority = priority;
    }
}

class PriorityQueue {
    constructor () {
        this.values = [];

samteb

class Graph {
    constructor () {
        this.adjacencyList = {};
    }

    addVertex (vertex) {
        if (!this.adjacencyList[vertex]) this.adjacencyList[vertex] = [];
    }

    addEdge (vertex1, vertex2) {

samteb

class Node {
    constructor (value, priority) {
        this.value = value;
        this.priority = priority;
    }
}

class PriorityQueue {
    constructor () {
        this.values = [];

samteb

enum ListLevel {
    AUTHORS = 'AUTHORS',
    ARTICLES = 'ARTICLES'
}

interface Pagination {
    first: number;
    last: number;
}

samteb

this.listTitle$ = this.listLevel$.pipe(
    map(listLevel => {
        switch (listLevel) {
            case ListLevel.AUTHORS:
                return 'Trending authors that published few minutes ago!';
            case ListLevel.ARTICLES:
                return 'Best articles for you!';
            default:
                break;
        }