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Advanced Frontend with React.js [Eng+Ukr]

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What is the benefit of using the next-intl library for localization over handling translations manually?

It provides server-side and client-side translation out-of-the-box

It provides translation, but only server-side

It eliminates the need for separate translation files

It automatically translates content without translation files

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Please, select the correct action type that will be generated

const counterSlice = createSlice({
  name: 'counter',
  initialState: initialCounterState,
  reducers: {
    increment(state) {
      state.counter++;
    },    
  },
});

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createSlice allows us to safely "mutate" the state

createSlice cannot automatically generate action creators that correspond to each case reducer function we provide

True

False

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createSlice takes an object with three main options fields:

a string that will be used as the prefix for generated action types

an object where the keys are strings, and the values are "case reducer" functions that will handle specific actions

the initial state of the reducer

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What possibilities does Redux Toolkit createSlice API provide for us?

All the action creators will be generated automatically based on the reducer functions we've provided

It will disable immutable copies of the state

We will be able to configure case reducers

We will be able to write shorter immutable update logic in reducers

An extra middleware will be added and automatically will throw an error whenever it sees an accidental mutation of our state.

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In the below code

what jobs did one call to configureStore provide to us?

It automatically excluded middleware to check for common mistakes like accidentally mutating the state

100%

It created a Redux store using that root reducer

It automatically blocked the set up of the Redux DevTools Extension connection

It combined todosReducer and filtersReducer into the root reducer function, which will handle a root state that looks like {todos, filters}

100%

It automatically added the thunk middleware

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What is the purpose of using folders in parentheses, such as (shop) or (marketing), in Next.js?

To create hidden routes that users can't access

❌

To make routes load faster

❌

To group related routes without changing the URL structure

✅

To automatically generate API routes

❌

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We need to handle the "no match" case and render DefaultUI component then. Please, choose the correct prop for this.

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We need to handle a route with an optional parameter: /cart/{id} - where id is optional. So that, for example, /cart/3 and /cart would be handled by the same component CartPage.

The parameter should be bound to a variable when using useParams in the CartPage component.

Please, select the correct ways to define this:

<Route path="/cart/:id" element={<CartPage />} />
<Route path="/cart/" element={<CartPage />} />

<Route path="/cart/:id?" element={<CartPage />} />

✅

<Route path="/cart/*" component={<CartPage />} />

<Route path="/cart">
  <Route index element={<CartPage />} />
  <Route path=":id" element={<CartPage />} />
</Route>

✅

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