adding DrugsChartView

docs/DrugsForPathologies/js/PageInitializer.js

@@ -0,0 +1,21 @@
+class PageInitializer {
+
+    static initializePage({ pathologySelectElement, drugsChartViewElement }) {
+        PageInitializer.#configurePathologySelect(pathologySelectElement, drugsChartViewElement);
+    }
+
+    static #configurePathologySelect(pathologySelectElement, drugsChartViewElement) {
+        const drugsChartView = new DrugsChartView(drugsChartViewElement);
+        Select2.initializeSelectElement(
+            {
+                selectElement: pathologySelectElement,
+                minimumInputLength: 0,
+                textOfOption2Select: null,
+                onSelectOptionHavingValueAndText: (id, text) => {
+                    fetch(`data/DrugDescriptionsForPathologies/${id}.json`)
+                        .then(response => response.json())
+                        .then(drugDescr => drugsChartView.displayChart(drugDescr));
+                }
+            });
+    }
+}