negarjf

# .htaccess config for local cross origin problem

Header always set Access-Control-Allow-Origin "*"
Header always set Access-Control-Allow-Methods "POST, GET, OPTIONS, DELETE, PUT"
Header always set Access-Control-Max-Age "1000"
Header always set Access-Control-Allow-Headers "x-requested-with, Content-Type, origin, authorization, accept, client-security-token, cache-control"

RewriteEngine On
RewriteCond %{REQUEST_METHOD} OPTIONS

negarjf

import React, {createContext, useReducer} from 'react';
import initialState from "./initialState";
import reducer from "./reducer";
import useActions from "./useActions";

export const UserContext = createContext();

export const UserProvider = ({children}) => {

    const value = {user: null};

negarjf

/**
 * Generates random string id
 *
 * @param prefix
 * @param postfix
 * @returns {string}
 */
function generateId(prefix, postfix) {
    prefix = prefix || "";
    postfix = postfix || "";

negarjf

// Converts color code to RGB
//====================================
function colorCodeToRGB(colorCode){
    var c;
    var rgbaValidation = (/([R][G][B][A]?[(]\s*([01]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5])\s*,\s*([01]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5])\s*,\s*([01]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5])(\s*,\s*((0\.[0-9]{1})|(1\.0)|(1)))?[)])/i.test(colorCode)) ;
    
    var hexValidation = (/^#([A-Fa-f0-9]{3}){1,2}$/.test(colorCode));
    
    if(hexValidation){
        c= colorCode.substring(1).split('');

negarjf

/**
 * Timer class for count-down and count-up
 */
class Timer {
    constructor (duration = 0, countDown = true, step = 1) {
        this.duration = duration;
        this.countDown = countDown;
        this.step = step;
        this.opr = countDown ? -1 : 1;
        this.currentTime = this.freshCurrentTime;

negarjf

Keybase proof

I hereby claim:

• I am negarjf on github.
• I am negar (https://keybase.io/negar) on keybase.
• I have a public key ASARovy66SnbNXqFxtOo766-ahZYD6nUfJgcMOOBei3fxgo

To claim this, I am signing this object:

negarjf

class Stack{

  constructor(){
    this.top = null;
    this.size = 0;
  }

  get isEmpty(){
    return this.top === null;
  }

negarjf

class Queue {
  constructor(){
    this.head = null;
    this.tail = null;
    this.size = 0;
  }

  get length(){
    return this.size;
  }

negarjf

 
 class circularQueue{
   
  constructor(max){
    
    this.array = [];
    this.max= max; 
    this.length = 0;

negarjf

class DynamicArray{

  constructor(capacity){
    this.arr = [];
    this.capacity = capacity;
    this.length = 0;

    for(let i = 0; i < capacity; i++){
      this.arr[i] = null;
    }