function flatten()

in src/geojson2h3.js [38:50]

• 13 lines of code
• 4 McCabe index (conditional complexity)

function flatten(arrays) {
    let out = null;
    for (let i = 0; i < arrays.length; i++) {
        if (out !== null) {
            for (let j = 0; j < arrays[i].length; j++) {
                out.push(arrays[i][j]);
            }
        } else {
            out = arrays[i];
        }
    }
    return Array.from(new Set(out));
}