ardeshireshghi

function updateSpecificity(selector, currentSpecificity) {
  const newSpecificity = [...currentSpecificity];

  if (isSelectorId(selector)) {
    newSpecificity[0] += 1;
    return newSpecificity;
  }

  if (
    isSelectorClass(selector) ||

ardeshireshghi

function findScoreIndexOrClosest<T>(
  arr: [score: number, value: T][],
  score: number,
): [matched: boolean, index: number] {
  if (arr.length === 1) {
    return arr[0][0] === score
      ? [true, 0]
      : arr[0][0] > score
      ? [false, 0]
      : [false, 1];

ardeshireshghi

import { createHash, randomBytes } from "crypto";

interface INode<T = any> {
  id: number;
  data: Map<string, T>;
  hash: string;
}

interface IHashRing {
  nodes: INode<any>[];

ardeshireshghi

cat /dev/urandom | head -1 | shasum | awk '{print $1}' | cut -c 1-8

ardeshireshghi

function PriorityQueue() {
  this.collection = [];
}

PriorityQueue.prototype = {
  enqueue([item, priority]) {
    let indexToBePlacedAt = -1;
    for (let i = 0; i < this.collection.length; i++) {
      const [, itemPriority] = this.collection[i];
      const isNewItemHigherPriority = priority < itemPriority;

ardeshireshghi

function createAppContainer() {
  const bindingsMap = new Map();

  const appContainer = {
    bind(abstractClass, concreteClassOrFn) {
      bindingsMap.set(abstractClass, concreteClassOrFn);
    },

    make(ClassToCreate, ...constructorArgs) {
      const argTypes = ClassToCreate.argTypes || [];

ardeshireshghi

'''Cache class for LRU'''

KEY_NOT_EXIST_VALUE = 'key-not-exist'


class LRUCache:
    '''
    Least recently used cache
    '''

ardeshireshghi

import EventEmitter from 'events';
import { Worker } from 'worker_threads';

class CustomWorker extends Worker {
  public isReady: boolean;
  constructor(...args: ConstructorParameters<typeof Worker>) {
    super(...args);
    this.isReady = true;
  }

ardeshireshghi

/**
 * Sidebar UI component
 *
 * Example:
 
 const sidebar = new Sidebar({
    direction:
      window.innerWidth <= 400
        ? Sidebar.direction.BOTTOM
        : Sidebar.direction.LEFT,

ardeshireshghi

// Old school classic inheritence

function Shape(name) {
  this.name = name;
}

Shape.prototype.getName = function() {
  return this.name;
}