Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'use-context-selector' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
const Main = () => {
const dispatch = useContextSelector(context, (v) => v[1]);
const count = useContextSelector(context, (v) => v[0].count);
useCheckTearing();
useRegisterIncrementDispatcher(React.useCallback(() => {
dispatch({ type: 'increment' });
}, [dispatch]));
const [localCount, localIncrement] = React.useReducer((c) => c + 1, 0);
const normalIncrement = () => {
dispatch({ type: 'increment' });
};
const [startTransition, isPending] = useTransition();
const transitionIncrement = () => {
startTransition(() => {
dispatch({ type: 'increment' });
});
};
return (
const Counter = () => {
const count = useContextSelector(context, (v) => v[0].count);
const dispatch = useContextSelector(context, (v) => v[1]);
return (
<div>
{Math.random()}
<div>
<span>Count: {count}</span>
<button type="button"> dispatch({ type: 'increment' })}>+1</button>
<button type="button"> dispatch({ type: 'decrement' })}>-1</button>
</div>
</div>
);
};
const TextBox = () => {
const text = useContextSelector(context, (v) => v[0].text);
const dispatch = useContextSelector(context, (v) => v[1]);
return (
<div>
{Math.random()}
<div>
<span>Text: {text}</span>
<input value="{text}"> dispatch({ type: 'setText', text: event.target.value })} />
</div>
</div>
);
};
const Counter = () => {
const count = useContextSelector(MyContext, (v) => v[0].count);
const dispatch = useContextSelector(MyContext, (v) => v[1]);
return (
<div>
{Math.random()}
<div>
<span>Count: {count}</span>
<button type="button"> dispatch({ type: 'increment' })}>+1</button>
<button type="button"> dispatch({ type: 'decrement' })}>-1</button>
</div>
</div>
);
};
const Counter = React.memo(() => {
const count = useContextSelector(context, (v) => v[0].count);
syncBlock();
return <div>{count}</div>;
}, shallowEqual);
const Counter = () => {
const count = useContextSelector(MyContext, (v) => v[0].count);
const dispatch = useContextSelector(MyContext, (v) => v[1]);
return (
<div>
{Math.random()}
<div>
<span>Count: {count}</span>
<button type="button"> dispatch({ type: 'increment' })}>+1</button>
<button type="button"> dispatch({ type: 'decrement' })}>-1</button>
</div>
</div>
);
};
const Person = () => {
const person = useContextSelector(MyContext, (v) => v[0].person);
const dispatch = useContextSelector(MyContext, (v) => v[1]);
return (
<div>
{Math.random()}
<div>
First Name:
<input value="{person.firstName}"> {
const firstName = event.target.value;
dispatch({ firstName, type: 'setFirstName' });
}}
/>
</div>
<div>
Last Name:</div></div>
const Counter = () => {
const count = useContextSelector(context, (v) => v[0].count);
const dispatch = useContextSelector(context, (v) => v[1]);
return (
<div>
{Math.random()}
<div>
<span>Count: {count}</span>
<button type="button"> dispatch({ type: 'increment' })}>+1</button>
<button type="button"> dispatch({ type: 'decrement' })}>-1</button>
</div>
</div>
);
};
const Person = () => {
const person = useContextSelector(MyContext, (v) => v[0].person);
const dispatch = useContextSelector(MyContext, (v) => v[1]);
return (
<div>
{Math.random()}
<div>
First Name:
<input value="{person.firstName}"> {
const firstName = event.target.value;
dispatch({ firstName, type: 'setFirstName' });
}}
/>
</div>
<div>
Last Name:
</div></div>
import React, { useTransition } from 'react';
import { createContext, useContextSelector } from 'use-context-selector';
import {
syncBlock,
useRegisterIncrementDispatcher,
initialState,
reducer,
ids,
useCheckTearing,
shallowEqual,
} from '../common';
const context = createContext(null);
const Provider = ({ children }) => {
const [state, dispatch] = React.useReducer(reducer, initialState);
return (
{children}
);
};
const Counter = React.memo(() => {
const count = useContextSelector(context, (v) => v[0].count);
syncBlock();
return <div>{count}</div>;
}, shallowEqual);