postgrejs/esm/util/array-calculatedim.js

Professional PostgreSQL client NodeJS

export function arrayCalculateDim(arr) {
    if (!arr || arr.length === 0)
        return [0];
    const dim = [arr.length];
    const iterate = (a, level) => {
        for (let i = 0; i < a.length; i++) {
            if (Array.isArray(a[i])) {
                dim[level] = Math.max(dim[level] || 0, a[i].length);
                iterate(a[i], level + 1);
            }
        }
    };
    iterate(arr, 1);
    return dim;
}