Microsoft/TypeScript
Intl.Collator#compare method type does not match spec
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#62,048 opened on 2025/07/11
BugDomain: lib.d.tsHelp Wanted
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説明
⚙ Compilation target
ES2022
⚙ Library
N/A
Missing / Incorrect Definition
The Intl.Collator object has a compare method which is declared as compare(x: string, y: string): number; but according to the relevant spec is actually get compare(): (this: void, x: string, y: string) => number. Importantly, the spec states that
The returned function is bound to
collatorso that it can be passed directly toArray.prototype.sortor other functions
Sample Code
I'm having trouble putting together a Playground example that cares about the difference (which is admittedly subtle!) but it's the cause of https://github.com/typescript-eslint/typescript-eslint/issues/7098