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1. react-testing-app react-testing-app Public

   with jest, react-testing-library(RTL)

   TypeScript

2. useQueryParamsState useQueryParamsState

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   import { useEffect, useState } from 'react';

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   type DefaultQueryParams = string | string[] | undefined;

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   type QueryValue<T> = T extends DefaultQueryParams ? DefaultQueryParams : T;

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3. fluent_react_summary fluent_react_summary Public

4. Toggle Component with Controlled & U... Toggle Component with Controlled & UnControlled

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   function Toggle({ on, onToggle }) {

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     // on : Externally controlled prop

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     const [isOn, setIsOn] = useState(false); // Internal state

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     const handleToggle = () => {