In JavaScript, Errors are just another type of object. So you can return new Error('message') instead of throwing it, and TypeScript will modify the return type accordingly.
On the flipside, you can throw something that's not an Error if you really want. throw 'just a string', throw [error1, error2], etc. Though some linter configurations might complain at you if you do this.
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In JavaScript,
Errors are just another type of object. So you canreturn new Error('message')instead of throwing it, and TypeScript will modify the return type accordingly.On the flipside, you can
throwsomething that's not anErrorif you really want.throw 'just a string',throw [error1, error2], etc. Though some linter configurations might complain at you if you do this.