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export default function minAreaRect(points: number[][]): number {    const ps = new Set(points.map((p) => JSON.stringify(p)));
    let ans = Infinity;    const n = points.length;    for (let i = 0; i < n; i++) {        for (let j = i + 1; j < n; j++) {            if (                points[i][0] !== points[j][0] &&                points[i][1] !== points[j][1]            ) {                const area = Math.abs(points[j][0] - points[i][0]) *                    Math.abs(points[j][1] - points[i][1]);                if (area > ans) continue;                if (                    ps.has(JSON.stringify([points[i][0], points[j][1]])) &&                    ps.has(JSON.stringify([points[j][0], points[i][1]]))                ) {                    ans = Math.min(                        ans,                        area,                    );                }            }        }    }    return Number.isFinite(ans) ? ans : 0;}