miniapp-web-jsapi/lib/web/jsapi/network/index.js

JSAPI/View adapter for miniprogram running on the web

export function getNetworkType(options) {
  var _options$success, _options$fail;
  var connection = navigator.connection;
  var type = connection === null || connection === void 0 ? void 0 : connection.effectiveType;
  if (type) {
    // slow-2g/2g/3g/4g
    if (type === 'slow-2g') {
      type = '2g';
    }
  } else {
    // bluetooth/cellular/ethernet/none/wifi/wimax/other/unknown
    type = (connection === null || connection === void 0 ? void 0 : connection.type) || 'none'; // not support yet
    if (['wifi', 'none'].indexOf(type) === -1) {
      type = 'unknown';
    }
  }
  type = type.toUpperCase();
  (_options$success = options.success) === null || _options$success === void 0 ? void 0 : _options$success.call(options, {
    networkAvailable: navigator.onLine,
    networkType: type
  });
  (_options$fail = options.fail) === null || _options$fail === void 0 ? void 0 : _options$fail.call(options);
}