Another leak in the JavaScript single-threaded facade (or a bug in Jest, really).
Asserting expect(...).toStrictEqual(...) fails with two structurally identical objects created by two different Node worker threads because their prototypes are not the same (though identical). Asserting expect(structuredClone(...)).toStrictEqual(structuredClone(...)) works.
Last time I looked, the docs were like "Elm for JavaScript developers" or at least "Elm for front-end developers", hence opaque to me. But the language has a lot of promise.
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