问题 I found a similar question, but didn't understand any of the answers (and the question was downvoted) So here I go: I'm trying to use a library built on D3, called Greuler, in order to dynamically render graphs. The npm package for it seems to be broken. When I switched out for the Greuler CDN, the test graph inside my index.html finally worked. However, I'm working on a React app, and I want the graph to be rendered from a React component. Here the problem comes up: the react component doesn