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serguzest | 7 months ago

One thing you should add to section 10 is encouraging people to pass `cause` option while throwing new Error instances. For example

new Error("something bad happened", {cause:innerException})

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seniorsassycat|7 months ago

It's wild that that's not what the section is about. Extending error is not new at-all.

serguzest|7 months ago

Most people (including the author apparently) don't know they can chain errors with cause option in-built way in node and in browser. It is not just arbitrary extending and it is relatively a new thing. https://nodejs.org/api/errors.html#errorcause