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/**
 * This Gist demonstrates a simple yet effective implementation of a memoization function in JavaScript.
 * Memoization is an optimization technique used to speed up computer programs by storing the results of expensive function
 * calls and returning the cached result when the same inputs occur again.
 */

const memoMap = new Map();

const complexFunction = (a1: number[], a2: number[]): number => {
  // Simulate heavy calculations

mustafadalga

<template>
  <div class="app">
    <button @click="store.mutations.open()">Open Modal </button>
     <Modal v-if="store.state.isModalOpen"/>
  </div>
</template>

<script setup>
import store from "./store";
import Modal from "./Modal.vue";

mustafadalga

<template>
  <div class="app">
    <button @click="store.mutations.open()">Open Modal </button>
     <Modal v-if="store.state.isModalOpen"/>
  </div>
</template>

<script setup>
import store from "./store";
import Modal from "./Modal.vue";

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import { createStore } from "vuex";
import type { Post } from "@/types";

export interface ApisLoadState {
    isCalled: boolean;
    isLoaded: boolean;
}

export interface ApiLoadState extends ApisLoadState {
    api: string;

mustafadalga

declare global {
    interface AmplitudeInstance {
        logEvent(eventName: string, eventProperties?: object): void;
        identify(identifyObject: object): void;
        setUserId(userId: string | null): void;
        init(apiKey: string, userId?: string, options?: object, callback?: () => void): void;
    }

    interface Amplitude {
        getInstance(): AmplitudeInstance;

mustafadalga

import { expect, describe, it, beforeAll, afterEach, afterAll, beforeEach } from "vitest";
import { QueryClientProvider } from "react-query";
import { ReactNode } from "react";
import { http, HttpResponse } from "msw";
import { useCommonStore } from "@/_store/useCommonStore";
import { act, renderHook, waitFor } from "@testing-library/react";
import { createTestServer, queryClient } from "@/__tests__/utilities";
import useFetchCustomVariables from "@/_hooks/useFetchCustomVariables";

const successResponse = [

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import { describe, it, expect } from "vitest";
import { renderHook } from "@testing-library/react";
import useDeepCompareMemoize from "./useDeepCompareMemoize";

describe("useDeepCompareMemoize", () => {
    it('should return a memoized version of the input value based on deep comparison', () => {
        const initialData = { user: { name: 'John', age: 25, city: 'New York' } };
        const newData = { user: { name: 'Alice', age: 30, city: 'San Francisco' } };
        const identicalData = { user: { name: 'John', age: 25, city: 'New York' } };

mustafadalga

Function	Clears Call History	Resets Implementations	Restores Original Implementation	Scope of Use
mockClear()	✅	❌	❌	Clear usage data of the mock function but keep its implementation and return values.
mockReset()	✅	✅	❌	Reset the mock function to its initial state, removing any custom behavior or return values.
mockRestore()	✅	✅	✅	Restore the original function, removing the mock (only applicable with jest.spyOn).

mustafadalga

import { act, renderHook } from '@testing-library/react';
import { describe, it, expect, beforeEach } from "vitest";
import { usePostsStore } from "@/_store/usePostsStore";

describe('usePostsStore', () => {
    beforeEach(() => {
        usePostsStore.getState().reset()
    });

    it('should return the initial state', () => {

mustafadalga

import { describe, it, expect, beforeAll, afterEach, afterAll } from "vitest";
import { GET } from "./route";
import { createMockRequest, createTestServer } from "@/__tests__/utilities";
import { http, HttpResponse } from "msw";

const url = `${process.env.VITE_API_BASE_URL_V2}/posts`;
const mockPosts = [ {
    "userId": 1,
    "id": 2,
    "title": "qui est esse",