navigation improvements

 - use comma arrayFormat for URL params
 - preserve stickyMapId when only URL params change;
 - don't break if page only exists in base config

packages/app/src/app.js

@@ -1444,6 +1444,10 @@ function _getBaseConf(page) {
 
 function _getConf(page, silentFail, baseConf) {
  var conf = (baseConf ? app.config : app.wq_config).pages[page];
+ if (!conf && !baseConf) {
+ return _getConf(page, silentFail, true);
+ }
+
  if (!conf) {
  if (silentFail) {
  return;

packages/map/src/reducer.js

@@ -25,9 +25,13 @@ export default function reducer(state = {}, action, config) {
  if (routeInfo === _lastRouteInfo) {
  return state;
  } else {
+ const isSameView =
+ _lastRouteInfo &&
+ routeInfo.template &&
+ routeInfo.template === _lastRouteInfo.template;
  _lastRouteInfo = routeInfo;
  let nextState = {};
- const { stickyMaps } = state;
+ const { stickyMaps, stickyMapId } = state;
  if (!conf) {
  nextState = { stickyMaps };
  } else {
@@ -42,12 +46,17 @@ export default function reducer(state = {}, action, config) {
  highlight,
  instance,
  mapId,
+ stickyMapId:
+ isSameView && stickyMapId === mapId ? mapId : null,
  stickyMaps
  };
  }
  if (!nextState.stickyMaps) {
  delete nextState.stickyMaps;
  }
+ if (!nextState.stickyMapId) {
+ delete nextState.stickyMapId;
+ }
  return nextState;
  }
  }

packages/router/src/router.js

@@ -15,14 +15,23 @@ const HTML = '@@HTML',
  [LAST]: true
  };
 
+const defaultQuerySerializer = {
+ parse(str) {
+ return queryString.parse(str, { arrayFormat: 'comma' });
+ },
+ stringify(obj) {
+ return queryString.stringify(obj, { arrayFormat: 'comma' });
+ }
+};
+
 // Exported module object
 var router = {
  config: {
  store: 'main',
  tmpl404: 404,
  debug: false,
  getTemplateName: name => name,
- querySerializer: queryString
+ querySerializer: defaultQuerySerializer
  },
  routesMap: {},
  routeInfoFn: [],