refactoring

docs/CompanyByBatchcodeProvider.js

@@ -1,8 +1,8 @@
 class CompanyByBatchcodeProvider {
 
     static getCompany(batchcode) {
-        return fetch(`data/histograms/Global/${batchcode}.json`)
-            .then(response => response.json())
+        return HistoDescrsProvider
+            .getHistoDescrs(batchcode)
             .then(histoDescrs => histoDescrs.Company);
     }
 }

docs/HistoDescrsProvider.js

@@ -1,6 +1,7 @@
 class HistoDescrsProvider {
 
     static getHistoDescrs(batchcode) {
-        return fetch(`data/histograms/Global/${batchcode}.json`).then(response => response.json())
+        return fetch(`data/histograms/Global/${batchcode}.json`)
+            .then(response => response.json())
     }
 }