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Hmm. It might be possible, though it doesn’t sound like a great idea to have both D3 3.x and the D3 4.0 default bundle loaded simultaneously, since there will b

Hmm. It might be possible, though it doesn’t sound like a great idea to have both D3 3.x and the D3 4.0 default bundle loaded simultaneously, since there will be a lot of overlap. A better strategy might be to load just the new modules you want to use. Like if you just want the new force layout, then load d3-force: https://github.com/d3/d3-force https://github.com/d3/d3-force But it might be best to just migrate to 4.0. I know the changelist is long, but it might not be as hard as you think to migrate. And you can always send your questions to the d3-js Google group or d3.js on Stack Overflow and I’ll try to help.

chrisprice 10y ago
On a project I work on* we've found that this technique has worked well so far. We're slowly moving from v3 to v4 by splitting out groups of components into their own packages and upgrading them as we go. We've been heavily inspired by d3's approach e.g. with the use of rollup for bundling. We're probably at about 60% of the library upgraded/split-out but we've yet to tackle the more tricky changes like d3-selection. * https://github.com/d3fc https://github.com/d3fc