Loading Data with React & D3

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Loading Data with React & D3

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Last edited Feb 26, 2021

Created on Feb 26, 2021

This example demonstrates how React and D3 integrate for data loading, displaying file metadata for a CSS named-color CSV dataset fetched from a GitHub gist. It uses React hooks (`useState`, `useEffect`) to manage asynchronous state, and D3’s `csv` method to parse the remote data. The interface renders a text summary—file size in kilobytes, row count, and column count—calculated via `d3.csvFormat` and `data.columns`. During the fetch, a “Loading …” message appears, reflecting the component’s conditional rendering. The visualization highlights a simple yet effective pattern for combining React’s declarative UI with D3’s data utilities.

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Loading the Data with React & D3

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