Bubble Sort implemented with TypeScript

bubbleSort.ts

export const bubbleSort = (array: number[]): number[] => {
    let aux: number;

    for(let i = 1; i < array.length; i++){
        
        for(let j = 0; j < array.length - i; j++){
 
            if(array[j] > array[j+1]){
                aux = array[j];
                array[j] = array[j+1];
                array[j+1] = aux;
            }
        }
    }
    return array;
}