All files / src/helpers/array unique.js

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export const uniqueArray = (a = []) => {
    let _a = [...a];
    for (let i = 0; i < _a.length; ++i) {
        for (let j = i + 1; j < _a.length; ++j) {
            if (_a[i] === _a[j])
                _a.splice(j--, 1);
        }
    }
 
    return _a;
}