Design a React component to display a nested file and folder structure: correctly displays the nested structure, can hide and reveal folder contents, and dynamically fetches folder contents when they are expanded.
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Frontend
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What alternative methods exist for converting a string to an object? What are the disadvantages of recursion and what are the advantages?
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227
Tell us a little about yourself, your experience, and relevant projects.
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192
Tell more about your last workplace in technical terms, what you liked, what you didn't, and in which direction you'd like to move.
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182
Is it possible to pass a body in a GET request?
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172
Tell about the lifecycle of a React component: main stages mount, render, unmount.
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172
When does a monolith turn into micro frontends? What attribute and property indicate that it is now micro frontends?
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167
In what form are libraries connected to you?
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166
Can query parameters be added in a POST request?
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165
How did you split a monolith into micro frontends, and what technologies did you use?
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161
Practical task: given a string of the form 'value.value.value', it is necessary to convert it into a nested object where each key is a part of the string, and the last key contains an empty object.
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159
How to fix the issue with outdated value in the CommentsEditor component when useState does not respond to changes in the incoming prop? How can useEffect be used to solve this problem?
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158
Are there differences in rendering between React versions (e.g., 17th and 19th)? What do you know about concurrent rendering and Fiber?
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158
Practical task: given an array of points with fields time and value. Identify groups of points with the same value and keep only the start and end of each group (to optimize the construction of a linear graph).
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158
Write a function that takes a string representing a set of keys separated by dots and converts it into an object with a nested structure.
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Code review of React components Comments and CommentsEditor: identify logical and UX issues in the code (e.g., incorrect index saving when closing the curtain, problems with updating value when props change).
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154
Tell me about CORS: what it is, why it is needed, what problems it solves, and how it works.
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151
What is the basis of your internal line-up that you refer to when saying this micro-frontend is simple, and that one is complex?
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Have you ever had to deal with architecture, write modules, develop from scratch? Are you familiar with Feature-Sliced Design (FSD)?
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144
To avoid passing the onToggle prop through all levels of nesting, what alternative can be used?
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142