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slacktracer/gist:ec1d532cafb62f712025b4ee8a99b5c9

Created January 27, 2023 19:37
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kinda typing fromEntries result as a enum-ish
Raw
gistfile1.txt
type Keys<T extends readonly string[]> = Readonly<{ [key in T[number]]: key }>;
// const keys = ["feat1", "feat2"] as const;
export const makeEnumLikeFromArray = <T extends readonly string[]>(array: T) =>
Object.fromEntries(array.map((item) => [item, item])) as Keys<T>;
// const a = make<typeof keys>(keys);
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