"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: Fetch API and Async Operations" }), "\n", _jsx(_components.p, { children: "Follow these step-by-step instructions to build your first React application that fetches external data. This exercise will reinforce the async operation concepts you learned in the lesson and guide you through creating a dynamic weather app that demonstrates professional data fetching patterns." }), "\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: "Asynchronous Operations" }), ": You'll use async/await syntax to handle operations that take time to complete (like fetching weather data). This demonstrates how modern JavaScript handles time-dependent operations without blocking the user interface."] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "State Management for Async Operations" }), ": You'll manage multiple state variables - weather data, loading state, and error state - to provide a complete user experience during data fetching operations."] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "Event Handling with Async Operations" }), ": You'll create event handlers that trigger async operations and update React state based on the results, showing how user interactions can initiate data fetching."] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "Error Handling" }), ": You'll implement try/catch blocks to gracefully handle errors and provide user-friendly feedback when things go wrong, which is essential for professional React applications."] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "Conditional Rendering" }), ": You'll display different UI elements based on the current state (loading, success, error), demonstrating how React components can adapt their appearance based on data availability."] }), "\n", _jsx(_components.h2, { children: "The Challenge" }), "\n", _jsx(_components.p, { children: "Create an interactive weather application that demonstrates React's async capabilities:" }), "\n", _jsxs(_components.ul, { children: ["\n", _jsx(_components.li, { children: "A search interface with city input field and \"Get Weather\" button" }), "\n", _jsx(_components.li, { children: "Loading indicators that appear during data requests" }), "\n", _jsx(_components.li, { children: "Weather display showing temperature, conditions, humidity, and weather icon" }), "\n", _jsx(_components.li, { children: "Error handling with clear, user-friendly error messages" }), "\n", _jsx(_components.li, { children: "Professional styling with smooth transitions between states" }), "\n"] }), "\n", _jsx(_components.p, { children: _jsx(_components.strong, { children: "Success Criteria:" }) }), "\n", _jsxs(_components.ul, { children: ["\n", _jsx(_components.li, { children: "✅ Weather app displays search input and button on initial load" }), "\n", _jsx(_components.li, { children: "✅ Loading state appears immediately when \"Get Weather\" is clicked" }), "\n", _jsx(_components.li, { children: "✅ Weather data displays correctly for valid cities (New York, London, Tokyo)" }), "\n", _jsx(_components.li, { children: "✅ Error messages appear for invalid city names" }), "\n", _jsx(_components.li, { children: "✅ Component uses async/await syntax for data fetching" }), "\n", _jsx(_components.li, { children: "✅ Multiple state variables manage different aspects of the async operation" }), "\n", _jsx(_components.li, { children: "✅ Professional appearance with provided CSS styling" }), "\n", _jsx(_components.li, { children: "✅ Smooth user experience with immediate feedback for all interactions" }), "\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 weather app 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: "Functional components with JSX" }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "useState" }), " hook for managing weather data, loading state, and error state"] }), "\n", _jsx(_components.li, { children: "Async/await syntax for handling the simulated API call" }), "\n", _jsx(_components.li, { children: "Event handler functions for the search button" }), "\n", _jsx(_components.li, { children: "Conditional rendering to show different UI states" }), "\n", _jsx(_components.li, { children: "Component import/export with ES6 modules" }), "\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 data needs to change over time (weather data, loading status, errors)" }), "\n", _jsx(_components.li, { children: "Consider what happens when users click the search button (async operation starts)" }), "\n", _jsx(_components.li, { children: "Remember that async operations have three states: loading, success, and error" }), "\n", _jsx(_components.li, { children: "Use try/catch blocks to handle both successful responses and errors" }), "\n", _jsx(_components.li, { children: "The simulated API function should return a promise that resolves after a delay" }), "\n"] }), "\n", _jsx(_components.p, { children: _jsx(_components.strong, { children: "Simulated API Pattern:" }) }), "\n", _jsx(_components.pre, { className: "language-javascript", children: _jsxs(_components.code, { className: "language-javascript code-highlight", children: [_jsxs(_components.span, { className: "code-line line-number", line: "1", children: [_jsx(_components.span, { className: "token keyword", children: "const" }), " ", _jsx(_components.span, { className: "token function-variable function", children: "fetchWeatherData" }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token keyword", children: "async" }), " ", _jsx(_components.span, { className: "token parameter", children: "city" }), " ", _jsx(_components.span, { className: "token arrow operator", children: "=>" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "2", children: [" ", _jsx(_components.span, { className: "token comment", children: "// Simulate network delay" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "3", children: [" ", _jsx(_components.span, { className: "token keyword control-flow", children: "await" }), " ", _jsx(_components.span, { className: "token keyword", children: "new" }), " ", _jsx(_components.span, { className: "token class-name", children: "Promise" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token parameter", children: "resolve" }), " ", _jsx(_components.span, { className: "token arrow operator", children: "=>" }), " ", _jsx(_components.span, { className: "token function", children: "setTimeout" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), "resolve", _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token number", children: "1500" }), _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: "4", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "5", children: [" ", _jsx(_components.span, { className: "token comment", children: "// Return weather data or throw error" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "6", children: [" ", _jsx(_components.span, { className: "token keyword", children: "const" }), " weatherDatabase ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "7", children: [" ", _jsx(_components.span, { className: "token string-property property", children: "'New York'" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), " ", _jsx(_components.span, { className: "token literal-property property", children: "temp" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "72" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "condition" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", children: "'Sunny'" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "humidity" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "45" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "icon" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", 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: "8", children: [" ", _jsx(_components.span, { className: "token literal-property property", children: "London" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), " ", _jsx(_components.span, { className: "token literal-property property", children: "temp" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "58" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "condition" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", children: "'Cloudy'" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "humidity" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "78" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "icon" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", 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: "9", children: [" ", _jsx(_components.span, { className: "token literal-property property", children: "Tokyo" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), " ", _jsx(_components.span, { className: "token literal-property property", children: "temp" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "68" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "condition" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", children: "'Rainy'" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "humidity" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "82" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "icon" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", 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: "10", 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: "11", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "12", children: [" ", _jsx(_components.span, { className: "token keyword control-flow", children: "if" }), " ", _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token operator", children: "!" }), "weatherDatabase", _jsx(_components.span, { className: "token punctuation", children: "[" }), "city", _jsx(_components.span, { className: "token punctuation", 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: "13", children: [" ", _jsx(_components.span, { className: "token keyword control-flow", children: "throw" }), " ", _jsx(_components.span, { className: "token keyword", children: "new" }), " ", _jsx(_components.span, { className: "token class-name", children: "Error" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token string", children: "'City not found'" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "14", children: [" ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n"] }), _jsx(_components.span, { className: "code-line line-number", line: "15", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "16", children: [" ", _jsx(_components.span, { className: "token keyword control-flow", children: "return" }), " weatherDatabase", _jsx(_components.span, { className: "token punctuation", children: "[" }), "city", _jsx(_components.span, { className: "token punctuation", children: "]" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "17", children: [_jsx(_components.span, { className: "token punctuation", children: "}" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\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 WeatherApp Component File" }), "\n", _jsxs(_components.p, { children: ["Create a new file called ", _jsx(_components.code, { children: "WeatherApp.js" }), " and set up the basic React component structure with the simulated API function. This demonstrates React's component-based architecture and how to organize async functions."] }), "\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: "{" }), " useState ", _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"] }), _jsx(_components.span, { className: "code-line line-number", line: "2", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "3", children: [_jsx(_components.span, { className: "token comment", children: "// Simulated API function that teaches real async patterns" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "4", children: [_jsx(_components.span, { className: "token keyword", children: "const" }), " ", _jsx(_components.span, { className: "token function-variable function", children: "fetchWeatherData" }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token keyword", children: "async" }), " ", _jsx(_components.span, { className: "token parameter", children: "city" }), " ", _jsx(_components.span, { className: "token arrow operator", children: "=>" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "5", children: [" ", _jsx(_components.span, { className: "token comment", children: "// Simulate realistic network delay" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "6", children: [" ", _jsx(_components.span, { className: "token keyword control-flow", children: "await" }), " ", _jsx(_components.span, { className: "token keyword", children: "new" }), " ", _jsx(_components.span, { className: "token class-name", children: "Promise" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token parameter", children: "resolve" }), " ", _jsx(_components.span, { className: "token arrow operator", children: "=>" }), " ", _jsx(_components.span, { className: "token function", children: "setTimeout" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), "resolve", _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token number", children: "1500" }), _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: "7", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "8", children: [" ", _jsx(_components.span, { className: "token comment", children: "// Simulate a weather database with different cities" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "9", children: [" ", _jsx(_components.span, { className: "token keyword", children: "const" }), " weatherDatabase ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "10", children: [" ", _jsx(_components.span, { className: "token string-property property", children: "'New York'" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), " ", _jsx(_components.span, { className: "token literal-property property", children: "temp" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "72" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "condition" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", children: "'Sunny'" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "humidity" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "45" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "icon" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", 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: "11", children: [" ", _jsx(_components.span, { className: "token literal-property property", children: "London" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), " ", _jsx(_components.span, { className: "token literal-property property", children: "temp" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "58" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "condition" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", children: "'Cloudy'" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "humidity" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "78" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "icon" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", 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: "12", children: [" ", _jsx(_components.span, { className: "token literal-property property", children: "Tokyo" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), " ", _jsx(_components.span, { className: "token literal-property property", children: "temp" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "68" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "condition" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", children: "'Rainy'" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "humidity" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "82" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "icon" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", 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: "13", children: [" ", _jsx(_components.span, { className: "token literal-property property", children: "Paris" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "14", children: [" ", _jsx(_components.span, { className: "token literal-property property", children: "temp" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "65" }), _jsx(_components.span, { className: 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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"] }), _jsx(_components.span, { className: "code-line line-number", line: "31", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "32", children: [_jsx(_components.span, { className: "token keyword", children: "function" }), " ", _jsx(_components.span, { className: "token function", children: _jsx(_components.span, { className: "token maybe-class-name", children: "WeatherApp" }) }), _jsx(_components.span, { className: "token punctuation", 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: 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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" }), _jsxs(_components.span, { className: "token attr-value", children: [_jsx(_components.span, { className: "token punctuation attr-equals", children: "=" }), _jsx(_components.span, { className: "token punctuation", children: "\"" }), "search-section", _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: "37", children: [_jsx(_components.span, { className: "token plain-text", children: " " }), 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"41", 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: "42", 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: "<" }), "button"] }), " ", _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: "\"" }), "search-button", _jsx(_components.span, { className: "token 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[_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: "45", 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: "46", children: [_jsx(_components.span, { className: "token punctuation", children: "}" }), "\n"] }), _jsx(_components.span, { className: "code-line line-number", line: "47", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "48", 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: "WeatherApp" }), _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 React, { useState }" }), " gives us access to React and the useState hook"] }), "\n", _jsxs(_components.li, { children: ["The ", _jsx(_components.code, { children: "fetchWeatherData" }), " function simulates a real API using async/await syntax"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "await new Promise(resolve => setTimeout(resolve, 1500))" }), " creates a realistic 1.5-second delay"] }), "\n", _jsx(_components.li, { children: "The weather database object simulates different API responses for different cities" }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "throw new Error()" }), " simulates API errors for invalid inputs"] }), "\n", _jsx(_components.li, { children: "The component returns JSX that describes the initial user interface" }), "\n"] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "React Concept Applied" }), ": This demonstrates how to organize async functions alongside React components and create the foundation for data-driven applications."] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "Click \"Run\"" }), " to see your basic weather app structure! The input and button are ready, but they don't do anything yet."] }), "\n", _jsx(_components.h3, { children: "Step 2: Add State Variables for Async Operations" }), "\n", _jsx(_components.p, { children: "Add the essential state variables needed to manage async operations: weather data, loading state, error state, and user input." }), "\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: "{" }), " useState ", _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"] }), _jsx(_components.span, { className: "code-line line-number", line: "2", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "3", children: [_jsx(_components.span, { className: "token comment", children: "// Simulated API function (same as before)" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "4", children: [_jsx(_components.span, { className: "token keyword", children: "const" }), " ", _jsx(_components.span, { className: "token function-variable function", children: "fetchWeatherData" }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token 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punctuation", children: "(" }), "resolve", _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token number", children: "1500" }), _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: "6", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "7", children: [" ", _jsx(_components.span, { className: "token keyword", children: "const" }), " weatherDatabase ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "8", children: [" ", _jsx(_components.span, { className: "token string-property property", children: "'New York'" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), " ", _jsx(_components.span, { className: "token literal-property property", children: "temp" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "72" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "condition" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", children: "'Sunny'" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "humidity" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "45" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "icon" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", 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: "9", children: [" ", _jsx(_components.span, { className: "token literal-property property", children: "London" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), " ", _jsx(_components.span, { className: "token literal-property 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component"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "onChange={(e) => setCityInput(e.target.value)}" }), " updates state when users type"] }), "\n"] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "React Concept Applied" }), ": This demonstrates the multi-state pattern essential for async operations - separating concerns into different state variables for clarity and maintainability."] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "Click \"Run\"" }), " and try typing in the input field! You'll see that React now tracks your input, making it a controlled component."] }), "\n", _jsx(_components.h3, { children: "Step 3: Create the Async Event Handler" }), "\n", _jsx(_components.p, { children: "Add the event handler that coordinates the entire async operation, including state management and error handling." }), "\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: "{" }), " useState ", _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"] }), _jsx(_components.span, { className: "code-line line-number", line: "2", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "3", children: [_jsx(_components.span, { className: "token comment", children: "// Simulated API function (same as before)" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "4", children: [_jsx(_components.span, { className: "token keyword", children: "const" }), " ", _jsx(_components.span, { className: "token function-variable function", children: "fetchWeatherData" }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token keyword", children: "async" }), " ", _jsx(_components.span, { className: "token parameter", children: "city" }), " ", _jsx(_components.span, { className: "token arrow operator", children: "=>" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "5", children: [" ", _jsx(_components.span, { className: "token keyword control-flow", children: "await" }), " ", _jsx(_components.span, { className: "token keyword", children: "new" }), " ", _jsx(_components.span, { className: "token class-name", children: "Promise" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token parameter", children: "resolve" }), " ", _jsx(_components.span, { className: "token arrow operator", children: "=>" }), " ", _jsx(_components.span, { className: "token function", children: "setTimeout" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), "resolve", _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token number", children: "1500" }), _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: "6", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "7", children: [" ", _jsx(_components.span, { className: "token keyword", children: "const" }), " weatherDatabase ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "8", children: [" ", _jsx(_components.span, { className: "token string-property property", children: "'New York'" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), " ", _jsx(_components.span, { className: "token literal-property property", children: "temp" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "72" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "condition" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", children: "'Sunny'" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "humidity" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "45" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "icon" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", 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: "9", children: [" ", _jsx(_components.span, { className: "token literal-property property", children: "London" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), " ", _jsx(_components.span, { className: "token literal-property property", children: "temp" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "58" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "condition" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", children: "'Cloudy'" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "humidity" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "78" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "icon" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", 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: "10", children: [" ", _jsx(_components.span, { className: "token literal-property property", children: "Tokyo" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), " ", _jsx(_components.span, { className: "token literal-property property", children: "temp" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "68" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "condition" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", children: "'Rainy'" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "humidity" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "82" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "icon" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", 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: "11", children: [" ", _jsx(_components.span, { className: "token literal-property property", children: "Paris" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "12", children: [" ", _jsx(_components.span, { className: "token literal-property property", children: "temp" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "65" }), _jsx(_components.span, { className: "token punctuation", children: "," }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "13", children: [" ", _jsx(_components.span, { className: "token literal-property property", children: "condition" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", children: "'Partly Cloudy'" }), _jsx(_components.span, { className: "token punctuation", children: "," }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "14", children: [" ", _jsx(_components.span, { className: "token literal-property property", children: "humidity" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "60" }), _jsx(_components.span, { className: "token punctuation", children: "," }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "15", children: [" ", _jsx(_components.span, { className: "token literal-property property", children: "icon" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", children: "'⛅'" }), _jsx(_components.span, { className: "token punctuation", children: "," }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "16", 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: "17", children: [" ", _jsx(_components.span, { className: "token literal-property property", children: "Sydney" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), " ", _jsx(_components.span, { className: "token literal-property property", children: "temp" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "78" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "condition" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", children: "'Clear'" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "humidity" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "55" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "icon" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", 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: "18", 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: "19", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "20", children: [" ", _jsx(_components.span, { className: "token keyword control-flow", children: "if" }), " ", _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token operator", children: "!" }), "weatherDatabase", _jsx(_components.span, { className: "token punctuation", children: "[" }), "city", _jsx(_components.span, { className: "token punctuation", 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: "21", children: [" ", _jsx(_components.span, { className: "token keyword control-flow", children: "throw" }), " ", _jsx(_components.span, { className: "token keyword", children: "new" }), " ", _jsx(_components.span, { className: "token class-name", children: "Error" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "22", children: [" ", _jsx(_components.span, { className: "token string", children: "'City not found. Try New York, London, Tokyo, Paris, or Sydney.'" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "23", 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: "24", children: [" ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n"] }), _jsx(_components.span, { className: "code-line line-number", line: "25", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "26", children: [" ", _jsx(_components.span, { className: "token keyword control-flow", children: "return" }), " weatherDatabase", _jsx(_components.span, { className: "token punctuation", children: "[" }), "city", _jsx(_components.span, { className: "token punctuation", children: "]" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "27", 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: "28", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "29", children: [_jsx(_components.span, { className: "token keyword", children: "function" }), " ", _jsx(_components.span, { className: "token function", children: _jsx(_components.span, { className: "token maybe-class-name", children: "WeatherApp" }) }), _jsx(_components.span, { className: "token punctuation", 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: "30", children: [" ", _jsx(_components.span, { className: "token keyword", children: "const" }), " ", _jsx(_components.span, { className: "token punctuation", children: "[" }), "weatherData", _jsx(_components.span, { className: "token punctuation", children: "," }), " setWeatherData", _jsx(_components.span, { className: "token punctuation", children: "]" }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token function", children: "useState" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token keyword null nil", children: "null" }), _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 keyword", children: "const" }), " ", _jsx(_components.span, { className: "token punctuation", children: "[" }), "loading", _jsx(_components.span, { className: "token punctuation", children: "," }), " setLoading", _jsx(_components.span, { className: "token punctuation", children: "]" }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token function", children: "useState" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token boolean", children: "false" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "32", children: [" ", _jsx(_components.span, { className: "token keyword", children: "const" }), " ", _jsx(_components.span, { className: "token punctuation", children: "[" }), "error", _jsx(_components.span, { className: "token punctuation", children: "," }), " setError", _jsx(_components.span, { className: "token punctuation", children: "]" }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token function", children: "useState" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token keyword null nil", children: "null" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "33", children: [" ", _jsx(_components.span, { className: "token keyword", children: "const" }), " ", _jsx(_components.span, { className: "token punctuation", children: "[" }), "cityInput", _jsx(_components.span, { className: "token punctuation", children: "," }), " setCityInput", _jsx(_components.span, { className: "token punctuation", children: "]" }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token function", children: "useState" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token string", 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: "34", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "35", children: [" ", _jsx(_components.span, { className: "token comment", children: "// Async event handler that coordinates the entire operation" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "36", children: [" ", _jsx(_components.span, { className: "token keyword", children: "const" }), " ", _jsx(_components.span, { className: "token function-variable function", children: "handleGetWeather" }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token keyword", children: "async" }), " ", _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), " ", _jsx(_components.span, { className: "token arrow operator", children: "=>" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "37", children: [" ", _jsx(_components.span, { className: "token comment", children: "// Validate input before making request" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "38", children: [" ", _jsx(_components.span, { className: "token keyword control-flow", children: "if" }), " ", _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token operator", children: "!" }), "cityInput", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token method function property-access", children: "trim" }), _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"] }), _jsxs(_components.span, { className: "code-line line-number", line: "39", children: [" ", _jsx(_components.span, { className: "token function", children: "setError" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token string", children: "'Please enter a city name'" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "40", children: [" ", _jsx(_components.span, { className: "token keyword control-flow", children: "return" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "41", children: [" ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n"] }), _jsx(_components.span, { className: "code-line line-number", line: "42", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "43", children: [" ", _jsx(_components.span, { className: "token comment", children: "// Reset states for new operation" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "44", children: [" ", _jsx(_components.span, { className: "token function", children: "setLoading" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token boolean", children: "true" }), _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 function", children: "setError" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token keyword null nil", children: "null" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "46", children: [" ", _jsx(_components.span, { className: "token function", children: "setWeatherData" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token keyword null nil", children: "null" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n"] }), _jsx(_components.span, { className: "code-line line-number", line: "47", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "48", children: [" ", _jsx(_components.span, { className: "token keyword control-flow", children: "try" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "49", children: [" ", _jsx(_components.span, { className: "token comment", children: "// Perform the async operation" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "50", children: [" ", _jsx(_components.span, { className: "token keyword", children: "const" }), " data ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token keyword control-flow", children: "await" }), " ", _jsx(_components.span, { className: "token function", children: "fetchWeatherData" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), "cityInput", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token method function property-access", children: "trim" }), _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: "51", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "52", children: [" ", _jsx(_components.span, { className: "token comment", children: "// Handle success" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "53", children: [" ", _jsx(_components.span, { className: "token function", children: "setWeatherData" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), "data", _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "54", children: [" ", _jsx(_components.span, { className: "token punctuation", children: "}" }), " ", _jsx(_components.span, { className: "token keyword control-flow", children: "catch" }), " ", _jsx(_components.span, { className: "token punctuation", children: "(" }), "err", _jsx(_components.span, { className: "token punctuation", children: ")" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "55", children: [" ", _jsx(_components.span, { className: "token comment", children: "// Handle errors with user-friendly messages" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "56", children: [" ", _jsx(_components.span, { className: "token function", children: "setError" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), "err", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: "message" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n"] }), _jsxs(_components.span, { className: "code-line 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children: [_jsx(_components.span, { className: "token punctuation attr-equals", children: "=" }), _jsx(_components.span, { className: "token punctuation", children: "\"" }), "search-section", _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: "67", 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: "<" }), "input"] }), "\n"] })] }), _jsx(_components.span, { className: "code-line line-number", line: "68", children: _jsxs(_components.span, { className: "token tag", children: [" ", _jsx(_components.span, { className: "token attr-name", children: "type" }), _jsxs(_components.span, { className: "token attr-value", children: [_jsx(_components.span, { className: "token punctuation attr-equals", children: "=" }), _jsx(_components.span, { className: "token punctuation", children: "\"" }), "text", _jsx(_components.span, { className: "token punctuation", children: "\"" })] }), "\n"] }) }), _jsx(_components.span, { className: "code-line line-number", line: "69", children: _jsxs(_components.span, { className: "token tag", children: [" ", _jsx(_components.span, { className: "token attr-name", children: "value" }), _jsxs(_components.span, { className: "token script language-javascript", children: [_jsx(_components.span, { className: "token script-punctuation punctuation", children: "=" }), _jsx(_components.span, { className: "token punctuation", children: "{" }), "cityInput", _jsx(_components.span, { className: "token punctuation", children: "}" })] }), "\n"] }) }), _jsx(_components.span, { className: "code-line line-number", line: "70", children: _jsxs(_components.span, { className: "token tag", children: [" ", _jsx(_components.span, { className: "token attr-name", children: "onChange" }), _jsxs(_components.span, { className: "token script language-javascript", children: [_jsx(_components.span, { className: "token script-punctuation punctuation", children: "=" }), _jsx(_components.span, { className: "token punctuation", children: "{" }), _jsx(_components.span, { className: "token parameter", children: "e" }), " ", _jsx(_components.span, { className: "token arrow operator", children: "=>" }), " ", _jsx(_components.span, { className: "token function", children: "setCityInput" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), "e", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: "target" }), _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: "value" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: "}" })] }), "\n"] }) }), _jsx(_components.span, { className: "code-line line-number", line: "71", children: _jsxs(_components.span, { className: "token tag", children: [" ", _jsx(_components.span, { className: "token attr-name", children: "placeholder" }), _jsxs(_components.span, { className: "token attr-value", children: [_jsx(_components.span, { className: "token punctuation attr-equals", children: "=" }), _jsx(_components.span, { className: "token punctuation", children: "\"" }), "Enter city name", _jsx(_components.span, { className: "token punctuation", children: "\"" })] }), "\n"] }) }), _jsx(_components.span, { className: "code-line line-number", line: "72", children: _jsxs(_components.span, { className: "token tag", children: [" ", _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: "\"" }), "city-input", _jsx(_components.span, { className: "token punctuation", children: "\"" })] }), "\n"] }) }), _jsxs(_components.span, { className: "code-line line-number", line: "73", 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: "74", 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: "<" }), "button"] }), "\n"] })] }), _jsx(_components.span, { className: "code-line line-number", line: "75", children: _jsxs(_components.span, { className: "token tag", children: [" ", _jsx(_components.span, { className: "token attr-name", children: "onClick" }), _jsxs(_components.span, { className: "token script language-javascript", children: [_jsx(_components.span, { className: "token script-punctuation punctuation", children: "=" }), _jsx(_components.span, { className: "token punctuation", children: "{" }), "handleGetWeather", _jsx(_components.span, { className: "token punctuation", children: "}" })] }), "\n"] }) }), _jsx(_components.span, { className: "code-line line-number", line: "76", children: _jsxs(_components.span, { className: "token tag", children: [" ", _jsx(_components.span, { className: "token attr-name", children: "disabled" }), _jsxs(_components.span, { className: "token script language-javascript", children: [_jsx(_components.span, { className: "token script-punctuation punctuation", children: "=" }), _jsx(_components.span, { className: "token punctuation", children: "{" }), "loading", _jsx(_components.span, { className: "token punctuation", children: "}" })] }), "\n"] }) }), _jsx(_components.span, { className: "code-line line-number", line: "77", children: _jsxs(_components.span, { className: "token tag", children: [" ", _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: "\"" }), "search-button", _jsx(_components.span, { className: "token punctuation", children: "\"" })] }), "\n"] }) }), _jsxs(_components.span, { className: "code-line line-number", line: "78", 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: "79", children: [_jsx(_components.span, { className: "token plain-text", children: " " }), _jsx(_components.span, { className: "token punctuation", children: "{" }), "loading ", _jsx(_components.span, { className: "token operator", children: "?" }), " ", _jsx(_components.span, { className: "token string", children: "'Loading...'" }), " ", _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", children: "'Get Weather'" }), _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: "80", 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: "81", 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: "82", 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: "83", 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: "84", children: [_jsx(_components.span, { className: "token punctuation", children: "}" }), "\n"] }), _jsx(_components.span, { className: "code-line line-number", line: "85", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "86", 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: "WeatherApp" }), _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: "const handleGetWeather = async () => { ... }" }), " creates an async event handler function"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "if (!cityInput.trim())" }), " validates user input before making the API call"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "setLoading(true)" }), " immediately provides user feedback that something is happening"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "setError(null)" }), " and ", _jsx(_components.code, { children: "setWeatherData(null)" }), " clear previous results for a fresh start"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "const data = await fetchWeatherData(cityInput.trim())" }), " performs the async operation"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "try/catch/finally" }), " provides comprehensive error handling and cleanup"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "onClick={handleGetWeather}" }), " connects the button to the async operation"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "disabled={loading}" }), " prevents multiple simultaneous requests"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "{loading ? 'Loading...' : 'Get Weather'}" }), " provides dynamic button text"] }), "\n"] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "React Concept Applied" }), ": This demonstrates the professional async event handler pattern - proper state management, error handling, and user feedback coordination."] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "Click \"Run\"" }), " and try clicking the \"Get Weather\" button! You'll see the loading state, but we haven't added the display for results yet."] }), "\n", _jsx(_components.h3, { children: "Step 4: Add Conditional Rendering for Different States" }), "\n", _jsx(_components.p, { children: "Add the JSX that displays different content based on the current state of the async operation." }), "\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: "{" }), " useState ", _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"] }), _jsx(_components.span, { className: "code-line line-number", line: "2", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "3", children: [_jsx(_components.span, { className: "token comment", children: "// Simulated API function (same as before)" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "4", children: [_jsx(_components.span, { className: "token keyword", children: "const" }), " ", _jsx(_components.span, { className: "token function-variable function", children: "fetchWeatherData" }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token keyword", children: "async" }), " ", _jsx(_components.span, { className: "token parameter", children: "city" }), " ", _jsx(_components.span, { className: "token arrow operator", children: "=>" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "5", children: [" ", _jsx(_components.span, { className: "token keyword control-flow", children: "await" }), " ", _jsx(_components.span, { className: "token keyword", children: "new" }), " ", _jsx(_components.span, { className: "token class-name", children: "Promise" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token parameter", children: "resolve" }), " ", _jsx(_components.span, { className: "token arrow operator", children: "=>" }), " ", _jsx(_components.span, { className: "token function", children: "setTimeout" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), "resolve", _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token number", children: "1500" }), _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: "6", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "7", children: [" ", _jsx(_components.span, { className: "token keyword", children: "const" }), " weatherDatabase ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "8", children: [" ", _jsx(_components.span, { className: "token string-property property", children: "'New York'" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), " ", _jsx(_components.span, { className: "token literal-property property", children: "temp" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "72" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "condition" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", children: "'Sunny'" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "humidity" }), _jsx(_components.span, { className: "token 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})] }), _jsxs(_components.span, { className: "code-line line-number", line: "103", 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 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: "\"" }), "humidity", _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 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className: "code-line line-number", line: "106", 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: "107", 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: "108", 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: "109", 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: "110", 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: "111", children: [_jsx(_components.span, { className: "token punctuation", children: "}" }), "\n"] }), _jsx(_components.span, { className: "code-line line-number", line: "112", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "113", 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: "WeatherApp" }), _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: "{loading && (...)}" }), " uses conditional rendering to show loading state only when loading is true"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "{error && (...)}" }), " displays error messages only when an error exists"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "{weatherData && (...)}" }), " shows weather information only when data is available"] }), "\n", _jsx(_components.li, { children: "Each conditional section has appropriate CSS classes for styling" }), "\n", _jsx(_components.li, { children: "The weather display shows all the fetched data in a user-friendly format" }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "

{cityInput}

" }), " displays the searched city name"] }), "\n", _jsx(_components.li, { children: "Weather icon, temperature, condition, and humidity are all displayed clearly" }), "\n"] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "React Concept Applied" }), ": This demonstrates conditional rendering based on async operation states - a fundamental pattern for data-driven React applications."] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "Click \"Run\"" }), " and try searching for \"New York\"! You'll see the loading state, then the weather data appears. Try an invalid city to see the error handling."] }), "\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 your new WeatherApp component, demonstrating React's component composition."] }), "\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, { className: "token string", children: "'react'" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "2", 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: "WeatherApp" }) }), " ", _jsx(_components.span, { className: "token keyword module", children: "from" }), " ", _jsx(_components.span, { className: "token string", children: "'./WeatherApp'" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "3", children: [_jsx(_components.span, { className: "token keyword module", children: "import" }), " ", _jsx(_components.span, { className: "token string", children: "'./styles.css'" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n"] }), _jsx(_components.span, { className: "code-line line-number", line: "4", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "5", children: [_jsx(_components.span, { className: "token keyword", children: "function" }), " ", _jsx(_components.span, { className: "token function", children: _jsx(_components.span, { className: "token maybe-class-name", children: "App" }) }), _jsx(_components.span, { className: "token punctuation", 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: "6", children: [" ", _jsx(_components.span, { className: "token keyword control-flow", children: "return" }), " ", _jsx(_components.span, { className: "token punctuation", children: "(" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "7", 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" }), _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", _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: "8", 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 class-name", children: "WeatherApp" })] }), " ", _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: "9", 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: "10", 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: "11", children: [_jsx(_components.span, { className: "token punctuation", children: "}" }), "\n"] }), _jsx(_components.span, { className: "code-line line-number", line: "12", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "13", 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 WeatherApp from './WeatherApp'" }), " imports your custom weather component"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "import './styles.css'" }), " imports the CSS file for professional styling"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "" }), " uses your component as a JSX element"] }), "\n", _jsx(_components.li, { children: "The App component acts as the root component that renders other components" }), "\n"] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "React Concept Applied" }), ": This demonstrates React's component composition - how you build complex applications by combining focused, reusable components."] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "Click \"Run\"" }), " to see your complete weather application! The WeatherApp component is now rendered inside the App component."] }), "\n", _jsx(_components.h3, { children: "Step 6: Add Enhanced User Experience Features" }), "\n", _jsx(_components.p, { children: "Let's add some enhancements that make the app feel more professional and user-friendly." }), "\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: "{" }), " useState ", _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"] }), _jsx(_components.span, { className: "code-line line-number", line: "2", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "3", children: [_jsx(_components.span, { className: "token comment", children: "// Simulated API function (same as before)" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "4", children: [_jsx(_components.span, { className: "token keyword", children: "const" }), " ", _jsx(_components.span, { className: "token function-variable function", children: "fetchWeatherData" }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token keyword", children: "async" }), " ", _jsx(_components.span, { className: "token parameter", children: "city" }), " ", _jsx(_components.span, { className: "token arrow operator", children: "=>" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "5", children: [" ", _jsx(_components.span, { className: "token keyword control-flow", children: "await" }), " ", _jsx(_components.span, { className: "token keyword", children: "new" }), " ", _jsx(_components.span, { className: "token class-name", children: "Promise" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token parameter", children: "resolve" }), " ", _jsx(_components.span, { className: "token arrow operator", children: "=>" }), " ", _jsx(_components.span, { className: "token function", children: "setTimeout" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), "resolve", _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token number", children: "1500" }), _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: "6", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "7", children: [" ", _jsx(_components.span, { className: "token keyword", children: "const" }), " weatherDatabase ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n"] }), _jsxs(_components.span, { className: "code-line line-number", line: "8", children: [" ", _jsx(_components.span, { className: "token string-property property", children: "'New 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_jsx(_components.span, { className: "token number", children: "45" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "icon" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", 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: "9", children: [" ", _jsx(_components.span, { className: "token literal-property property", children: "London" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), " ", _jsx(_components.span, { className: "token literal-property property", children: "temp" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "58" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "condition" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", children: "'Cloudy'" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "humidity" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "78" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token literal-property property", children: "icon" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token string", 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: "10", children: [" ", _jsx(_components.span, { className: "token literal-property property", children: "Tokyo" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), " ", _jsx(_components.span, { className: "token literal-property property", children: "temp" }), _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token number", children: "68" }), _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token 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line: "136", 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: "137", children: [_jsx(_components.span, { className: "token punctuation", children: "}" }), "\n"] }), _jsx(_components.span, { className: "code-line line-number", line: "138", children: "\n" }), _jsxs(_components.span, { className: "code-line line-number", line: "139", 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: "WeatherApp" }), _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: "const handleKeyPress = (e) => { ... }" }), " allows users to press Enter to search"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "const handleClear = () => { ... }" }), " provides a way to reset the app state"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "onKeyPress={handleKeyPress}" }), " connects the Enter key functionality"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "disabled={loading || !cityInput.trim()}" }), " prevents searches with empty input"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.code, { children: "{(weatherData || error) && (...)}" }), " shows clear button only when there's something to clear"] }), "\n", _jsx(_components.li, { children: "Enhanced placeholder text provides helpful examples" }), "\n", _jsx(_components.li, { children: "Error hints guide users toward valid inputs" }), "\n", _jsx(_components.li, { children: "Emoji icons make the interface more friendly and visual" }), "\n"] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "React Concept Applied" }), ": This demonstrates how to enhance user experience through thoughtful state management and event handling, creating professional-quality interactions."] }), "\n", _jsxs(_components.p, { children: [_jsx(_components.strong, { children: "Click \"Run\"" }), " and test the enhanced features! Try pressing Enter to search, use the clear button, and notice how the interface guides you toward successful interactions."] }), "\n", _jsx(_components.h2, { children: "Congratulations!" }), "\n", _jsx(_components.p, { children: "You've successfully built your first React application with async operations! You've applied fundamental concepts that power every modern, data-driven web application:" }), "\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: "Async/Await Integration" }), ": Used modern JavaScript async syntax within React components"] }), "\n", _jsxs(_components.li, { children: ["✅ ", _jsx(_components.strong, { children: "Multi-State Management" }), ": Coordinated multiple state variables for complex async operations"] }), "\n", _jsxs(_components.li, { children: ["✅ ", _jsx(_components.strong, { children: "Professional Error Handling" }), ": Implemented try/catch blocks with user-friendly error messages"] }), "\n", _jsxs(_components.li, { children: ["✅ ", _jsx(_components.strong, { children: "Loading State Management" }), ": Provided immediate user feedback during async operations"] }), "\n", _jsxs(_components.li, { children: ["✅ ", _jsx(_components.strong, { children: "Conditional Rendering" }), ": Displayed different UI based on async operation states"] }), "\n", _jsxs(_components.li, { children: ["✅ ", _jsx(_components.strong, { children: "Event-Driven Async Operations" }), ": Triggered data fetching through user interactions"] }), "\n", _jsxs(_components.li, { children: ["✅ ", _jsx(_components.strong, { children: "Component Architecture" }), ": Organized async logic within focused, reusable components"] }), "\n"] }), "\n", _jsx(_components.p, { children: _jsx(_components.strong, { children: "Real-World Applications:" }) }), "\n", _jsx(_components.p, { children: "This weather app demonstrates patterns you'll use in every React application that fetches data:" }), "\n", _jsxs(_components.ul, { children: ["\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Social Media" }), ": Loading user profiles, posts, and comments with loading states"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "E-commerce" }), ": Fetching product catalogs, user reviews, and inventory data"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "News Applications" }), ": Retrieving articles, breaking news, and multimedia content"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Dashboard Applications" }), ": Loading analytics, metrics, and real-time monitoring data"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Financial Applications" }), ": Fetching stock prices, account balances, and transaction history"] }), "\n"] }), "\n", _jsx(_components.p, { children: _jsx(_components.strong, { children: "What You've Built:" }) }), "\n", _jsx(_components.p, { children: "Your weather application showcases React's async capabilities:" }), "\n", _jsxs(_components.ul, { children: ["\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Immediate Feedback" }), ": Users see loading states instantly when they trigger searches"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Error Recovery" }), ": Clear error messages help users understand and fix problems"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Professional Quality" }), ": Smooth interactions and polished user interface"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Scalable Patterns" }), ": The same async patterns work for any external data source"] }), "\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: "Async Event Handlers" }), ": Professional pattern for coordinating async operations with React state"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Multi-State Coordination" }), ": Managing loading, data, and error states simultaneously"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "User Experience Focus" }), ": Providing feedback, preventing errors, and guiding user actions"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Component Organization" }), ": Clean separation between async logic and UI presentation"] }), "\n"] }), "\n", _jsx(_components.p, { children: _jsx(_components.strong, { children: "Technical Achievements:" }) }), "\n", _jsxs(_components.ul, { children: ["\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Simulated API Integration" }), ": Learned async patterns that work with any real API"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "State Lifecycle Management" }), ": Coordinated state updates throughout async operations"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Error Boundary Patterns" }), ": Handled both network errors and user input errors"] }), "\n", _jsxs(_components.li, { children: [_jsx(_components.strong, { children: "Performance Considerations" }), ": Prevented duplicate requests and provided loading feedback"] }), "\n"] }), "\n", _jsx(_components.p, { children: "You're now ready to integrate any external API with React applications! The patterns you've learned - async/await syntax, multi-state management, error handling, and loading states - are the foundation for building sophisticated, data-driven React applications." }), "\n", _jsx(_components.p, { children: "Every professional React developer uses these exact patterns daily. You've mastered the fundamentals that power everything from simple weather apps to complex enterprise applications with real-time data, user authentication, and cloud integrations." }), "\n", _jsx(_components.p, { children: "Your journey into connected React development has begun!" })] }); } function MDXContent(props = {}) { const {wrapper: MDXLayout} = { ..._provideComponents(), ...props.components }; return MDXLayout ? _jsx(MDXLayout, { ...props, children: _jsx(_createMdxContent, { ...props }) }) : _createMdxContent(props); } return { default: MDXContent };