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There is no comparison when running a TypeScript project with Bun vs with Node. Or when mixing ESM and CJS. Or when setting up unit testing.

Node and its ecosystem was considerably behind in multiple regards.

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OP said:

> it’s not terribly difficult to back out of, either

Things like ESM/CJS interop are great but backing out of an ecosystem that uses it is absolutely not trivial.

Either it’s a trivial replacement you can drop in with no changes or it’s a notable change you can’t easily switch out. It’s not both.