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filter unique elements in an array
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| const simpleCompare = (obj, elem) => obj === elem; | |
| export const unique = <T extends object>(data: T[], compareFn: (obj: T, elem: T) => boolean = simpleCompare): T[] => { | |
| return data.filter((elem, pos, arr) => arr.findIndex(obj => compareFn(obj, elem)) === pos); | |
| }; |
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