Add isError typeguard #86
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…t/is-error # Conflicts: # src/utils/typeUtils.ts
kibertoad
requested review from
rupert-mckay,
lokankr,
drdaemos,
andris-sevcenko and
ForterLokalise
as code owners
kibertoad
commented
Dec 4, 2023
| @@ -23,6 +23,12 @@ export function isInternalError(error: unknown): error is InternalError { | |||
| return isObject(error) && error.name === 'InternalError' | |||
| } | |||
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| export function isError(maybeError: unknown): maybeError is Error { | |||
| return ( | |||
| maybeError instanceof Error || Object.prototype.toString.call(maybeError) === '[object Error]' | |||
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See nodejs/node#50488 (comment)
This is how Node.js itself was doing it, as instanceof can be unreliable sometimes.
CarlosGamero
approved these changes
Dec 4, 2023
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Changes
Added typeguard for JS errors
Checklist
major,minor,patchorskip-release