If the ProfilePage component re-rendered with two dependencies and roles were not passed, will useEffect trigger?
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Frontend
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When does JavaScript execution occur during HTML parsing?
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If useEffect has two dependencies, what happens when one of them changes?
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If roles is undefined and the component re-renders, what happens to useEffect?
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What is the difference between useMemo and React.memo? Is it possible to prevent a component wrapped in React.memo from re-rendering even if props change?
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If the ref was filled for a non-admin user, and then they became an admin — what problem arises with the logic inside the hook?
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If it was undefined and after rerender it is undefined again — has the dependency changed?
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In which scenarios do you use useEffect, and when do you use other hooks?
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You have a main application on Vite, and separately Next.js — have you had to delve into the build process? What tools are Vite and Next.js built upon?
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The component uses a context with user and roles. If the component only uses user from the context, it will still re-render when roles change. How to fix this?
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If the user is not an admin, useRef and useContentSizeUpdater hooks are still called. How to solve this problem without changing the useContentSizeUpdater hook itself?
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An array is an object. How are objects passed in JavaScript — by value or by reference?
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What will happen in the second block with the asynchronous loadRolesData function inside useEffect?
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How are things with TypeScript? Have you used generics, utility types, TypeGuard?
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What to do so that when the default value roles = [] is used, the array is not recreated on every render?
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How to fix the default value roles = [] issue so that useEffect is not called repeatedly on re-render?
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How is your architecture organized according to Feature-Sliced Design (FSD)? How is the business logic distributed across layers?
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Do you have an internal NPM repository? Do you use tools for monorepos, like Lerna?
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If the roles array is empty, what will happen to useEffect?
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/* File ProfilePage.tsx This file needs to be fixed for errors */
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