"use strict"; const {Fragment: _Fragment, jsx: _jsx, jsxs: _jsxs} = arguments[0]; const {useMDXComponents: _provideComponents} = arguments[0]; function _createMdxContent(props) { const _components = { code: "code", h1: "h1", h2: "h2", h3: "h3", hr: "hr", li: "li", p: "p", pre: "pre", span: "span", strong: "strong", ul: "ul", ..._provideComponents(), ...props.components }; return _jsxs(_Fragment, { children: [_jsx(_components.h1, { children: "Instructions: Your First Custom Hook" }), "\n", _jsx(_components.p, { children: "Follow these step-by-step instructions to build your first custom hook and see it in action across multiple components. This exercise will reinforce the custom hook concepts you learned in the lesson and guide you through creating reusable logic that can be shared throughout your React application." }), "\n", _jsx(_components.h2, { children: "Concept Reinforcement" }), "\n", _jsx(_components.p, { children: "Before we start coding, let's review the key React concepts you'll be applying in this exercise:" }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "Custom Hook Creation" }), ": You'll create your first custom hook (", _jsx(_components.code, { children: "useToggle" }), ") that encapsulates stateful logic and can be reused across multiple components. This demonstrates how React allows you to extract and share logic between components."] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "Hook Naming Conventions" }), ": You'll follow the essential \"use\" prefix naming convention that React development tools rely on to identify custom hooks and provide proper warnings and debugging information."] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "Logic Extraction" }), ": You'll see how the same toggle logic can power completely different user interfaces - a theme switcher, modal visibility, and menu expansion - demonstrating the power of separating logic from presentation."] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "Component Composition" }), ": You'll organize your code professionally by separating each component into its own file with proper import/export syntax, following React best practices for scalable applications."] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "State Management Patterns" }), ": You'll use the ", _jsx(_components.code, { children: "useState" }), " hook within your custom hook and learn about functional updates, demonstrating how custom hooks can encapsulate complex state management logic."] }), "\n", _jsx(_components.h2, { children: "The Challenge" }), "\n", _jsxs(_components.p, { children: ["Create a versatile ", _jsx(_components.code, { children: "useToggle" }), " custom hook and demonstrate its power by using it in three different components:"] }), "\n", _jsxs(_components.ul, { children: ["\n", _jsxs(_components.li, { children: ["A ", _jsx(_components.strong, { children: "Theme Toggle" }), " component that switches between light and dark modes"] }), "\n", _jsxs(_components.li, { children: ["A ", _jsx(_components.strong, { children: "Modal Toggle" }), " component that shows and hides a modal dialog"] }), "\n", _jsxs(_components.li, { children: ["A ", _jsx(_components.strong, { children: "Menu Toggle" }), " component that expands and collapses a navigation menu"] }), "\n"] }), "\n", _jsxs(_components.p, { children: ["Each component will use the exact same ", _jsx(_components.code, { children: "useToggle" }), " hook but create completely different user experiences, showcasing the reusability and power of custom hooks."] }), "\n", _jsx(_components.p, { children: _jsx(_components.strong, { children: "Success Criteria:" }) }), "\n", _jsxs(_components.ul, { children: ["\n", _jsxs(_components.li, { children: ["✅ ", _jsx(_components.code, { children: "useToggle" }), " custom hook manages boolean state with toggle functionality"] }), "\n", _jsx(_components.li, { children: "✅ Theme toggle changes the application's visual appearance" }), "\n", _jsx(_components.li, { children: "✅ Modal toggle shows/hides a dialog with backdrop interaction" }), "\n", _jsx(_components.li, { children: "✅ Menu toggle expands/collapses navigation with smooth animations" }), "\n", _jsx(_components.li, { children: "✅ All components use the same custom hook but create different experiences" }), "\n", _jsx(_components.li, { children: "✅ Components are organized in separate files with proper imports" }), "\n", _jsx(_components.li, { children: "✅ Hook follows naming conventions and React hook rules" }), "\n", _jsx(_components.li, { children: "✅ Professional styling with smooth hover effects and animations" }), "\n"] }), "\n", _jsx(_components.h2, { children: "Independent Learning Opportunity" }), "\n", _jsx(_components.p, { children: "Before looking at the step-by-step guide below, try building this custom hook system yourself! Use these React concepts you've learned:" }), "\n", _jsx(_components.p, { children: _jsx(_components.strong, { children: "React Concepts to Use:" }) }), "\n", _jsxs(_components.ul, { children: ["\n", _jsx(_components.li, { children: "Custom hook creation with the \"use\" prefix naming convention" }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "useState" }), " hook for managing boolean state within your custom hook"] }), "\n", _jsx(_components.li, { children: "Functional update patterns for reliable state updates" }), "\n", _jsx(_components.li, { children: "Component import/export with ES6 modules" }), "\n", _jsx(_components.li, { children: "Event handler functions for user interactions" }), "\n", _jsx(_components.li, { children: "Conditional rendering and dynamic styling" }), "\n"] }), "\n", _jsx(_components.p, { children: _jsx(_components.strong, { children: "Conceptual Hints:" }) }), "\n", _jsxs(_components.ul, { children: ["\n", _jsx(_components.li, { children: "Think about what logic is repeated across toggle-based components (that's your custom hook)" }), "\n", _jsx(_components.li, { children: "Consider how the same boolean state can drive different UI presentations" }), "\n", _jsx(_components.li, { children: "Remember that custom hooks are just JavaScript functions that use other hooks" }), "\n", _jsx(_components.li, { children: "Use descriptive names for your hook and its returned values" }), "\n", _jsx(_components.li, { children: "Each component should focus on its specific UI while using the shared logic" }), "\n"] }), "\n", _jsx(_components.p, { children: "Try building it yourself first - it's okay if you get stuck! The step-by-step guide below will help you understand each React concept as you implement it." }), "\n", _jsx(_components.hr, {}), "\n", _jsx(_components.h2, { children: "Step-by-Step React Implementation Guide" }), "\n", _jsx(_components.p, { children: "If you need help or want to understand each React concept in detail, follow these steps:" }), "\n", _jsx(_components.h3, { children: "Step 1: Create the useToggle Custom Hook" }), "\n", _jsxs(_components.p, { children: ["Create a new file called ", _jsx(_components.code, { children: "useToggle.js" }), " and implement your first custom hook. This demonstrates React's custom hook patterns and logic extraction principles."] }), "\n", _jsx(_components.pre, { className: "language-jsx", children: _jsxs(_components.code, { className: "language-jsx code-highlight", children: [_jsxs(_components.span, { className: "code-line line-number", line: "1", children: [_jsx(_components.span, { className: "token keyword module", children: "import" }), " ", _jsxs(_components.span, { className: "token imports", children: [_jsx(_components.span, { className: "token punctuation", children: "{" }), " useState", _jsx(_components.span, { className: "token punctuation", children: "," }), " useCallback ", _jsx(_components.span, { className: "token punctuation", children: "}" })] }), " ", _jsx(_components.span, { className: "token keyword module", children: "from" }), " ", _jsx(_components.span, { className: "token string", children: "'react'" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n"] }), 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_jsx(_components.span, { className: "token punctuation", children: "}" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token punctuation", children: "[" }), _jsx(_components.span, { className: "token punctuation", children: "]" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n"] }), _jsx(_components.span, { className: "code-line line-number", line: "17", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "18", children: [" ", _jsx(_components.span, { className: "token keyword control-flow", children: "return" }), " ", _jsx(_components.span, { className: "token punctuation", children: "[" }), "value", _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), " toggle", 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children: ";" }), "\n"] })] }) }), "\n", _jsx(_components.p, { children: _jsx(_components.strong, { children: "Why we write this React code:" }) }), "\n", _jsxs(_components.ul, { children: ["\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "function useToggle()" }), " creates a custom hook following the \"use\" naming convention"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "useState(initialValue)" }), " manages the boolean state within the custom hook"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "useCallback" }), " memoizes the functions to prevent unnecessary re-renders"] }), "\n", _jsxs(_components.li, { children: ["Functional updates ", _jsx(_components.code, { children: "setValue(currentValue => !currentValue)" }), " ensure reliable state changes"] }), "\n", _jsxs(_components.li, { children: ["The return pattern ", _jsx(_components.code, { children: "[value, { toggle, setTrue, setFalse }]" }), " provides flexible usage options"] }), "\n"] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "React Concept Applied" }), ": This demonstrates custom hook creation - extracting stateful logic into a reusable function that can be shared across multiple components."] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "Click \"Run\"" }), " to see your custom hook file created! The hook is now ready to be used by any component that needs toggle functionality."] }), "\n", _jsx(_components.h3, { children: "Step 2: Create the Theme Toggle Component" }), "\n", _jsxs(_components.p, { children: ["Create a new file called ", _jsx(_components.code, { children: "ThemeToggle.js" }), " and build a component that uses your custom hook to manage theme switching."] }), "\n", _jsx(_components.pre, { className: "language-jsx", children: _jsxs(_components.code, { className: "language-jsx code-highlight", children: [_jsxs(_components.span, { className: "code-line line-number", line: "1", children: [_jsx(_components.span, { className: "token keyword module", children: "import" }), " ", _jsxs(_components.span, { className: "token imports", children: [_jsx(_components.span, { className: "token maybe-class-name", children: "React" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token punctuation", children: 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_jsx(_components.span, { className: "token punctuation", children: "{" }), "closeModal", _jsx(_components.span, { className: "token punctuation", children: "}" })] }), "\n"] }) }), _jsxs(_components.span, { className: "code-line line-number", line: "26", children: [_jsxs(_components.span, { className: "token tag", children: [" ", _jsx(_components.span, { className: "token punctuation", children: ">" })] }), _jsx(_components.span, { className: "token plain-text", children: "\n" })] }), _jsx(_components.span, { className: "code-line line-number", line: "27", children: _jsx(_components.span, { className: "token plain-text", children: " ×\n" }) }), _jsxs(_components.span, { className: "code-line line-number", line: "28", children: [_jsx(_components.span, { className: "token plain-text", children: " " }), _jsxs(_components.span, { className: "token tag", children: [_jsxs(_components.span, { className: "token tag", children: [_jsx(_components.span, { className: "token punctuation", children: "" })] }), _jsx(_components.span, { className: "token plain-text", children: "\n" })] }), _jsxs(_components.span, { className: "code-line line-number", line: "29", children: [_jsx(_components.span, { className: "token plain-text", children: " " }), _jsxs(_components.span, { className: "token tag", children: [_jsxs(_components.span, { className: "token tag", children: [_jsx(_components.span, { className: "token punctuation", children: "" })] }), _jsx(_components.span, { className: "token plain-text", children: "\n" })] }), _jsxs(_components.span, { className: "code-line line-number", line: "30", children: [_jsx(_components.span, { className: "token plain-text", children: " " }), _jsxs(_components.span, { className: "token tag", children: [_jsxs(_components.span, { className: "token tag", children: [_jsx(_components.span, { className: "token punctuation", children: "<" }), "div"] }), " ", _jsx(_components.span, { className: "token attr-name", children: "className" }), 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})] }), _jsx(_components.span, { className: "code-line line-number", line: "32", children: _jsx(_components.span, { className: "token plain-text", children: " This modal uses the same useToggle hook as the\n" }) }), _jsx(_components.span, { className: "code-line line-number", line: "33", children: _jsx(_components.span, { className: "token plain-text", children: " theme switcher!\n" }) }), _jsxs(_components.span, { className: "code-line line-number", line: "34", children: [_jsx(_components.span, { className: "token plain-text", children: " " }), _jsxs(_components.span, { className: "token tag", children: [_jsxs(_components.span, { className: "token tag", children: [_jsx(_components.span, { className: "token punctuation", children: "" })] }), _jsx(_components.span, { className: "token plain-text", children: "\n" })] }), _jsxs(_components.span, { className: "code-line line-number", line: "35", children: [_jsx(_components.span, { className: "token plain-text", children: " " }), _jsxs(_components.span, { className: "token tag", children: [_jsxs(_components.span, { className: "token tag", children: [_jsx(_components.span, { className: "token punctuation", children: "<" }), "p"] }), _jsx(_components.span, { className: "token punctuation", children: ">" })] }), _jsx(_components.span, { className: "token plain-text", children: "\n" })] }), _jsx(_components.span, { className: "code-line line-number", line: "36", children: _jsx(_components.span, { className: "token plain-text", children: " Click the backdrop or the × button to close, or\n" }) }), _jsx(_components.span, { className: "code-line line-number", line: "37", children: _jsx(_components.span, { className: "token plain-text", children: " use the toggle button outside.\n" }) }), _jsxs(_components.span, { className: "code-line line-number", line: "38", children: [_jsx(_components.span, { className: "token plain-text", children: " " }), _jsxs(_components.span, { className: "token tag", children: [_jsxs(_components.span, { className: "token tag", children: [_jsx(_components.span, { className: "token punctuation", children: "" })] }), _jsx(_components.span, { className: "token plain-text", children: "\n" })] }), _jsxs(_components.span, { className: "code-line line-number", line: "39", children: [_jsx(_components.span, { className: "token plain-text", children: " " }), _jsxs(_components.span, { className: "token tag", children: [_jsxs(_components.span, { className: "token tag", children: [_jsx(_components.span, { className: "token punctuation", children: "" })] }), _jsx(_components.span, { className: "token plain-text", children: "\n" })] }), _jsxs(_components.span, { className: "code-line line-number", line: "40", children: [_jsx(_components.span, { className: "token plain-text", children: " " }), _jsxs(_components.span, { className: "token tag", children: [_jsxs(_components.span, { className: "token tag", children: [_jsx(_components.span, { className: "token punctuation", children: "" })] }), _jsx(_components.span, { className: "token plain-text", children: "\n" })] }), _jsxs(_components.span, { className: "code-line line-number", line: "41", children: [_jsx(_components.span, { className: "token plain-text", children: " " }), _jsxs(_components.span, { className: "token tag", children: [_jsxs(_components.span, { className: "token tag", children: [_jsx(_components.span, { className: "token punctuation", children: "" })] }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "42", children: [" ", _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: "}" }), _jsx(_components.span, { className: "token plain-text", children: "\n" })] }), _jsxs(_components.span, { className: "code-line line-number", line: "43", children: [_jsx(_components.span, { className: "token plain-text", children: " " }), _jsxs(_components.span, { className: "token tag", children: [_jsxs(_components.span, { className: "token tag", children: [_jsx(_components.span, { className: "token punctuation", children: "" })] }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "44", children: [" ", _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "45", children: [_jsx(_components.span, { className: "token punctuation", children: "}" }), "\n"] }), _jsx(_components.span, { className: "code-line line-number", line: "46", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "47", children: [_jsx(_components.span, { className: "token keyword module", children: "export" }), " ", _jsx(_components.span, { className: "token keyword module", children: "default" }), " ", _jsx(_components.span, { className: "token maybe-class-name", children: "ModalToggle" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n"] })] }) }), "\n", _jsx(_components.p, { children: _jsx(_components.strong, { children: "Why we write this React code:" }) }), "\n", _jsxs(_components.ul, { children: ["\n", _jsxs(_components.li, { children: ["Same ", _jsx(_components.code, { children: "useToggle" }), " hook but with different destructuring: ", _jsx(_components.code, { children: "{ toggle, setFalse: closeModal }" })] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "{isOpen && (...)}" }), " uses conditional rendering to show/hide the modal"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "onClick={closeModal}" }), " on backdrop provides explicit close functionality"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "onClick={e => e.stopPropagation()}" }), " prevents modal content clicks from closing the modal"] }), "\n", _jsx(_components.li, { children: "Multiple ways to close: toggle button, backdrop click, or close button" }), "\n"] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "React Concept Applied" }), ": This demonstrates how the same custom hook can power completely different UI patterns - the toggle logic is identical, but the presentation is entirely different from the theme switcher."] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "Click \"Run\"" }), " to test your modal! Try opening and closing it with different methods to see how the same toggle logic supports multiple interaction patterns."] }), "\n", _jsx(_components.h3, { children: "Step 4: Create the Menu Toggle Component" }), "\n", _jsxs(_components.p, { children: ["Create a new file called ", _jsx(_components.code, { children: "MenuToggle.js" }), " and build a component that uses the custom hook for expandable navigation."] }), "\n", _jsx(_components.pre, { className: "language-jsx", children: _jsxs(_components.code, { className: "language-jsx code-highlight", children: [_jsxs(_components.span, { className: "code-line line-number", line: "1", children: [_jsx(_components.span, { className: "token keyword module", children: "import" }), " ", _jsx(_components.span, { className: "token imports", children: _jsx(_components.span, { className: "token maybe-class-name", children: "React" }) }), " ", _jsx(_components.span, { className: "token keyword module", children: "from" }), " ", 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Notice how the same toggle logic creates a completely different user experience with smooth animations."] }), "\n", _jsx(_components.h3, { children: "Step 5: Update the App Component" }), "\n", _jsxs(_components.p, { children: ["Now update your ", _jsx(_components.code, { children: "App.js" }), " file to import and use all three components, showcasing how the same custom hook powers different experiences."] }), "\n", _jsx(_components.pre, { className: "language-jsx", children: _jsxs(_components.code, { className: "language-jsx code-highlight", children: [_jsxs(_components.span, { className: "code-line line-number", line: "1", children: [_jsx(_components.span, { className: "token keyword module", children: "import" }), " ", _jsx(_components.span, { className: "token imports", children: _jsx(_components.span, { className: "token maybe-class-name", children: "React" }) }), " ", _jsx(_components.span, { className: "token keyword module", children: "from" }), " ", _jsx(_components.span, { 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"token plain-text", children: "\n" })] }), _jsxs(_components.span, { className: "code-line line-number", line: "10", children: [_jsx(_components.span, { className: "token plain-text", children: " " }), _jsxs(_components.span, { className: "token tag", children: [_jsxs(_components.span, { className: "token tag", children: [_jsx(_components.span, { className: "token punctuation", children: "<" }), "header"] }), " ", _jsx(_components.span, { className: "token attr-name", children: "className" }), _jsxs(_components.span, { className: "token attr-value", children: [_jsx(_components.span, { className: "token punctuation attr-equals", children: "=" }), _jsx(_components.span, { className: "token punctuation", children: "\"" }), "app-header", _jsx(_components.span, { className: "token punctuation", children: "\"" })] }), _jsx(_components.span, { className: "token punctuation", children: ">" })] }), _jsx(_components.span, { className: "token plain-text", children: "\n" })] }), _jsxs(_components.span, { className: "code-line line-number", line: "11", children: [_jsx(_components.span, { className: "token plain-text", children: " " }), _jsxs(_components.span, { className: "token tag", children: [_jsxs(_components.span, { className: "token tag", children: [_jsx(_components.span, { className: "token punctuation", children: "<" }), "h1"] }), _jsx(_components.span, { className: "token punctuation", children: ">" })] }), _jsx(_components.span, { className: "token plain-text", children: "Custom Hooks in Action" }), _jsxs(_components.span, { className: "token tag", children: [_jsxs(_components.span, { className: "token tag", children: [_jsx(_components.span, { className: "token punctuation", children: "" })] }), _jsx(_components.span, { className: "token plain-text", children: "\n" })] }), _jsxs(_components.span, { className: "code-line line-number", line: "12", children: [_jsx(_components.span, { className: "token plain-text", children: " " }), _jsxs(_components.span, { className: "token tag", children: [_jsxs(_components.span, { className: "token tag", children: [_jsx(_components.span, { className: "token punctuation", children: "<" }), "p"] }), _jsx(_components.span, { className: "token punctuation", children: ">" })] }), _jsx(_components.span, { className: "token plain-text", children: "One useToggle hook, three different experiences" }), _jsxs(_components.span, { className: "token tag", children: [_jsxs(_components.span, { className: "token tag", children: [_jsx(_components.span, { className: "token punctuation", children: "" })] }), _jsx(_components.span, { className: "token plain-text", children: "\n" })] }), _jsxs(_components.span, { className: "code-line line-number", line: "13", children: [_jsx(_components.span, { className: "token plain-text", children: " " }), _jsxs(_components.span, { className: "token tag", children: [_jsxs(_components.span, { className: "token tag", children: [_jsx(_components.span, { className: 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_jsxs(_components.span, { className: "code-line line-number", line: "24", children: [_jsx(_components.span, { className: "token plain-text", children: " " }), _jsxs(_components.span, { className: "token tag", children: [_jsxs(_components.span, { className: "token tag", children: [_jsx(_components.span, { className: "token punctuation", children: "<" }), "p"] }), _jsx(_components.span, { className: "token punctuation", children: ">" })] }), _jsx(_components.span, { className: "token plain-text", children: "\n" })] }), _jsx(_components.span, { className: "code-line line-number", line: "25", children: _jsx(_components.span, { className: "token plain-text", children: " Each component uses the same useToggle custom hook but\n" }) }), _jsx(_components.span, { className: "code-line line-number", line: "26", children: _jsx(_components.span, { className: "token plain-text", children: " creates completely different user experiences!\n" }) }), _jsxs(_components.span, { className: "code-line line-number", line: "27", children: [_jsx(_components.span, { className: "token plain-text", children: " " }), _jsxs(_components.span, { className: "token tag", children: [_jsxs(_components.span, { className: "token tag", children: [_jsx(_components.span, { className: "token punctuation", children: "" })] }), _jsx(_components.span, { className: "token plain-text", children: "\n" })] }), _jsxs(_components.span, { className: "code-line line-number", line: "28", children: [_jsx(_components.span, { className: "token plain-text", children: " " }), _jsxs(_components.span, { className: "token tag", children: [_jsxs(_components.span, { className: "token tag", children: [_jsx(_components.span, { className: "token punctuation", children: "" })] }), _jsx(_components.span, { className: "token plain-text", children: "\n" })] }), _jsxs(_components.span, { className: "code-line line-number", line: "29", children: [_jsx(_components.span, { className: "token plain-text", children: " " }), _jsxs(_components.span, { className: "token tag", children: [_jsxs(_components.span, { className: "token tag", children: [_jsx(_components.span, { className: "token punctuation", children: "" })] }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "30", children: [" ", _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "31", children: [_jsx(_components.span, { className: "token punctuation", children: "}" }), "\n"] }), _jsx(_components.span, { className: "code-line line-number", line: "32", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "33", children: [_jsx(_components.span, { className: "token keyword module", children: "export" }), " ", _jsx(_components.span, { className: "token keyword module", children: "default" }), " ", _jsx(_components.span, { className: "token maybe-class-name", children: "App" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n"] })] }) }), "\n", _jsx(_components.p, { children: _jsx(_components.strong, { children: "Why we write this React code:" }) }), "\n", _jsxs(_components.ul, { children: ["\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "import" }), " statements bring in all three components that use the custom hook"] }), "\n", _jsx(_components.li, { children: "The layout showcases how the same hook powers different UI patterns" }), "\n", _jsx(_components.li, { children: "Each component demonstrates a different application of toggle functionality" }), "\n", _jsx(_components.li, { children: "The grid layout makes it easy to compare the different implementations" }), "\n"] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "React Concept Applied" }), ": This demonstrates component composition and how custom hooks enable consistent behavior across diverse UI patterns in a single application."] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "Click \"Run\"" }), " to see your complete custom hook demonstration! All three components use the same ", _jsx(_components.code, { children: "useToggle" }), " logic but create entirely different user experiences."] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "React Concept Applied" }), ": This demonstrates component composition and how custom hooks enable consistent behavior across diverse UI patterns in a single application. The professional CSS styling is already provided, so you can focus entirely on the React custom hook concepts while still seeing impressive visual results."] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "Test your application!" }), " Try switching themes, opening/closing the modal, and expanding/collapsing the menu to see how the same custom hook logic powers completely different user experiences."] }), "\n", _jsx(_components.h2, { children: "Congratulations!" }), "\n", _jsx(_components.p, { children: "You've successfully built your first custom hook and demonstrated its power across multiple components! You've applied fundamental React concepts:" }), "\n", _jsx(_components.p, { children: _jsx(_components.strong, { children: "React Concepts Mastered:" }) }), "\n", _jsxs(_components.ul, { children: ["\n", _jsxs(_components.li, { children: ["✅ ", _jsx(_components.strong, { children: "Custom Hook Creation" }), ": Built a reusable ", _jsx(_components.code, { children: "useToggle" }), " hook following React conventions"] }), "\n", _jsxs(_components.li, { children: ["✅ ", _jsx(_components.strong, { children: "Logic Extraction" }), ": Separated stateful logic from UI presentation for maximum reusability"] }), "\n", _jsxs(_components.li, { children: ["✅ ", _jsx(_components.strong, { children: "Hook Composition" }), ": Used ", _jsx(_components.code, { children: "useState" }), " and ", _jsx(_components.code, { children: "useCallback" }), " within your custom hook"] }), "\n", _jsxs(_components.li, { children: ["✅ ", _jsx(_components.strong, { children: "Component Architecture" }), ": Organized code in separate files with proper imports"] }), "\n", _jsxs(_components.li, { children: ["✅ ", _jsx(_components.strong, { children: "State Management" }), ": Implemented functional updates and performance optimizations"] }), "\n", _jsxs(_components.li, { children: ["✅ ", _jsx(_components.strong, { children: "Professional Patterns" }), ": Followed naming conventions and React best practices"] }), "\n"] }), "\n", _jsx(_components.p, { children: _jsx(_components.strong, { children: "Real-World Applications:" }) }), "\n", _jsx(_components.p, { children: "This custom hook pattern demonstrates techniques you'll use in every React application:" }), "\n", _jsxs(_components.ul, { children: ["\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "E-commerce" }), ": Product filters, cart visibility, wishlist toggles"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Social Media" }), ": Like buttons, follow states, notification preferences"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Productivity Apps" }), ": Task completion, sidebar visibility, settings panels"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Dashboard Applications" }), ": Widget visibility, filter states, panel expansion"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Content Management" }), ": Edit modes, preview toggles, section expansion"] }), "\n"] }), "\n", _jsx(_components.p, { children: _jsx(_components.strong, { children: "What You've Built:" }) }), "\n", _jsx(_components.p, { children: "Your custom hook system showcases React's core strengths:" }), "\n", _jsxs(_components.ul, { children: ["\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Code Reusability" }), ": One hook powers three completely different UI patterns"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Separation of Concerns" }), ": Logic is separate from presentation, making both easier to maintain"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Professional Organization" }), ": Clean file structure and component architecture"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Consistent Behavior" }), ": All toggle functionality behaves identically across the application"] }), "\n"] }), "\n", _jsx(_components.p, { children: _jsx(_components.strong, { children: "Professional Development Patterns:" }) }), "\n", _jsx(_components.p, { children: "You've learned industry-standard React practices:" }), "\n", _jsxs(_components.ul, { children: ["\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Custom Hook Design" }), ": Proper interface design with flexible return patterns"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Performance Optimization" }), ": Using ", _jsx(_components.code, { children: "useCallback" }), " to prevent unnecessary re-renders"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Component Composition" }), ": Building complex UIs from simple, focused components"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "State Management" }), ": Functional updates and reliable state handling"] }), "\n"] }), "\n", _jsx(_components.p, { children: "You're now ready to create custom hooks for any repeated logic in your React applications. Every React concept you'll learn builds on these custom hook fundamentals you've just mastered!" }), "\n", _jsx(_components.p, { children: "The power of custom hooks lies not just in code reuse, but in creating a shared vocabulary of functionality that makes your entire development team more productive and your applications more maintainable." })] }); } function MDXContent(props = {}) { const {wrapper: MDXLayout} = { ..._provideComponents(), ...props.components }; return MDXLayout ? _jsx(MDXLayout, { ...props, children: _jsx(_createMdxContent, { ...props }) }) : _createMdxContent(props); } return { default: MDXContent };