feat(version): release date constant (#735)

* feat(core) add release date to constants.

* fix(storedqueries) handle empty configs

* extra file

gulpfile.js

@@ -310,6 +310,7 @@ gulp.task('core:bumpVersion', done => {
   gulp
     .src(['./packages/core/src/lib/config/version.ts'])
     .pipe(replace(/lib: '[A-Za-z0-9\.\-]+'/g, `lib: '${version}'`))
+    .pipe(replace(/releaseDate: [0-9]+/g, `releaseDate: ${Date.now()}`))   
     .pipe(gulp.dest('./packages/core/src/lib/config/.'));
 
   done();

packages/core/src/lib/config/version.ts

@@ -1,7 +1,9 @@
 export interface Version {
   lib: string;
+  releaseDate: number;
 }
 
 export const version: Version = {
-  lib: '1.4.3'
+  lib: '1.4.3',
+  releaseDate: 1602002282549
 };

packages/geo/src/lib/search/shared/sources/storedqueries.ts

@@ -346,6 +346,11 @@ export class StoredQueriesReverseSearchSource extends SearchSource
   ) {
     super(options);
     this.storedQueriesOptions = options as StoredQueriesReverseSearchSourceOptions;
+
+    if (!this.storedQueriesOptions || (this.storedQueriesOptions && !this.storedQueriesOptions.available) ) {
+      return;
+    }
+
     if (!this.storedQueriesOptions.storedquery_id) {
       const err =
         'Stored Queries :You have to set "storedquery_id" into StoredQueries options. ex: storedquery_id: "nameofstoredquerie"';