Function fetch

src/lib/geo_location_utils.js:341–357

(url)

    var promises = [];

    function fetch(url) {
        return new Promise(function (resolve, reject) {
            d3.json(url, function (err, d) {
                if (err) {
                    delete PlotlyGeoAssets[url];
                    var msg =
                        err.status === 404
                            ? 'GeoJSON at URL "' + url + '" does not exist.'
                            : 'Unexpected error while fetching from ' + url;
                    return reject(new Error(msg));
                }

                PlotlyGeoAssets[url] = d;
                return resolve(d);
            });
        });
    }

    function wait(url) {
        return new Promise(function (resolve, reject) {