Loading data with React & D3

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Loading data with React & D3

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Last edited Mar 21, 2021

Created on Mar 21, 2021

A React and D3 example demonstrates asynchronous data loading by fetching a CSV of CSS named colors and displaying a summary message with file size, row count, and column count. The application uses React's `useState` and `useEffect` hooks to manage the data-fetching lifecycle, calling `d3.csv()` to parse the remote CSV file. Once loaded, the data is transformed through `d3.csvFormat` and rendered as SVG text. The visualization also includes a separate smiling face composed of reusable React components—`BackgroundCircle`, `Eyes`, and `Mouth`—where the mouth is drawn using D3's `arc()` path generator with specified angle parameters.

AI-generated description

A program that loads in some data with D3 utilities, and uses React state to keep track of the data.

MIT Licensed

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