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Breaking ChangeWould introduce errors in existing codeWould introduce errors in existing codeCommittedThe team has roadmapped this issueThe team has roadmapped this issueFix AvailableA PR has been opened for this issueA PR has been opened for this issueSuggestionAn idea for TypeScriptAn idea for TypeScript
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In TypeScript 4.0, we allowed users to to annotate catch
variables with : unknown
; however, it'd be nice if we could have that be the default.
I could imagine a flag like --useUnknownInCatchVariables
to switch the default type to be unknown
.
// @useUnknownInCatchVariables: true
try {
// ...
}
catch (e) {
e.toUpperCase(); // error
}
Alternatively, I could also imagine a much broader flag that also types parameters as unknown
as well.
MartinJohns, alexrock, milesj, treybrisbane, yortus and 42 morebrainkim, gerardolima, Nemikolh, worstpractice, voxpelli and 1 more
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Breaking ChangeWould introduce errors in existing codeWould introduce errors in existing codeCommittedThe team has roadmapped this issueThe team has roadmapped this issueFix AvailableA PR has been opened for this issueA PR has been opened for this issueSuggestionAn idea for TypeScriptAn idea for TypeScript