geojson-coords/flatten.js

return all coordinates from a geojson object

module.exports = function flatten(list, depth) {
    return _flatten(list);

    function _flatten(list) {
        if (Array.isArray(list) && list.length &&
            typeof list[0] === 'number') {
            return [list];
        }
        return list.reduce(function (acc, item) {
            if (Array.isArray(item) && Array.isArray(item[0])) {
                return acc.concat(_flatten(item));
            } else {
                acc.push(item);
                return acc;
            }
        }, []);
    }
};