From the course: Master React 19 and Next.js 16 with Hands-On Projects and Real-World Applications

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Component tree

Component tree

From the course: Master React 19 and Next.js 16 with Hands-On Projects and Real-World Applications

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Component tree

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In this session, we'll walk through the full component tree of your weather app. Think of this as the architectural blueprint. You'll understand what components exist, how they're connected, and what responsibilities they hold. Let's get started from the top and work our way down. At the top level, we have the app component. This is the root component of the entire application. It handles global state management, data fetching from the OpenMedio API, data transformation into a presentable format, and passing weather data down into smaller, specialized components. Internal App State includes Selected City, which is the city selected from the search bar. Data, which is the raw weather data received from the API. Weather data, which is the transformed current weather info. Hourly data, storing the next 24 hours of hourly forecasts. And forecast data, which is the transformed 6-day forecast. Let's have a look at the core logic flow. The user selects a city using search bar. The app…

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