Loading Data with React & D3

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Loading Data with React & D3

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Last edited Mar 1, 2022

Created on Mar 1, 2022

This example demonstrates how to combine React and D3 to load and summarize a CSV dataset, displaying file size, row count, and column count. The app uses React’s `useState` and `useEffect` hooks to fetch data asynchronously via `d3.csv` from a GitHub Gist, then renders the summary using a custom `message` function that leverages `csvFormat`. While loading, it shows a "Loading..." placeholder. The code relies on D3 v7 and React 16.9, with the browser rendering the output in a large `<pre>` element.

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