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React + D3 + useData Viz Starter

✓ Published4🌍 Public
WWaseem Medhat
Last edited Dec 12, 2020
Created on Dec 12, 2020

This example demonstrates a minimal React + D3 starter template for building SVG visualizations with a reusable margin convention. It fetches Hepatitis C data from a CSV URL using a custom `useData` hook built with `useEffect` and `useState`, loading via D3’s `csv` method. A `VizContainer` component abstracts the SVG and group elements, translating the inner group by the specified margins and conditionally rendering gray rectangles to visualize the chart area. The code relies on CDN-loaded React 16, ReactDOM, and D3 v6, with dimensions hardcoded at 960 by 500 pixels.

AI-generated description

Boilerplate code for a React + D3 visualization with:

  • CDN links for React, ReactDOM, and D3
  • Basic React boilerplate
  • Variables for dimensions and margins
  • useData hook to fetch a CSV URL.
  • VizContainer component that:
    • Abstracts SVG/group container elements
    • Follows the margin convention
    • Show the margins, which can be easily removed by deleting the showMargins={true} prop
MIT Licensed

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