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ahiipsa/randomEnum.ts

Created November 26, 2019 14:21
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TypeScript Random Enum
Raw
randomEnum.ts
const randomEnum = <T>(arr: readonly T[]) => {
type ReturnType = typeof arr[number];
return (): ReturnType => {
const index = Math.floor(Math.random() * arr.length);
return arr[index];
}
};
const g = randomEnum((<const>['a', 'b']))(); // 'a' | 'b'
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