An in-range update of typescript is breaking the build 🚨 about sequelize HOT 6 CLOSED

After pinning to 2.4.0 your tests are passing again. Downgrade this dependency 📌.

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@felixfbecker This is also an issue on the latest version of TypeScript, It's not possible to use pass any class inheriting from Model as typeof Model due to the error showing in the travis build.

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@felixfbecker I think I found the problem, in many case you use keyof this rather than a generic.

eg. changed(key: keyof this): boolean; to changed<K extends keyof this>(key: K): boolean;

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I don't understand why that would be a problem with the type system?

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I changed the typings manually and that fixed the problem.

Not sure what exactly the issue is but I assume it restricts the to keyof this in context of the Model class instead of the actual child class.

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@felixfbecker this still makes these typings unusable for latest TS.
I'm currently vendoring the typings to avoid this error, any chance you will update? 😄

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