minimumSwaps.js

function minimumSwaps(arr) {
    const visited = arr.slice(0).fill(false)
    let swaps = 0;
    for (let i = 0; i < arr.length; i++) {
        const start = i;
        let cycleFound = false;
        let current = i;
        let cycleLength = 0;
        if (visited[current] === false) {
            visited[i] = true;
            while (!cycleFound) {
                visited[current] = true;
                current = arr[current] - 1;
                if (current === start) {
                    cycleFound = true;
                }
                cycleLength++;
            }
            swaps += (cycleLength - 1);
            cycleLength = 0;
        }
    }
    return swaps;
}