Extract some dom-manipulations

src/Page/BuildingPage.ts

@@ -0,0 +1,9 @@
+import { GrabError } from '../Errors';
+
+export function clickUpgradeButton() {
+    const btn = jQuery('.upgradeButtonsContainer .section1 button.green.build');
+    if (btn.length !== 1) {
+        throw new GrabError('No upgrade button, try later');
+    }
+    btn.trigger('click');
+}

src/Page/SlotBlock.ts

@@ -9,10 +9,7 @@ function slotElements(prefix: string): Array<Slot> {
     const result: Array<Slot> = [];
     jQuery('.level.colorLayer').each((idx, el) => {
         const buildId = getNumber(elClassId(jQuery(el).attr('class') || '', prefix));
-        result.push({
-            el,
-            buildId,
-        });
+        result.push({ el, buildId });
     });
     return result;
 }
@@ -35,7 +32,7 @@ function showSlotIds(prefix: string, buildingIds: number[]): void {
     });
 }
 
-export function showFieldsSlotIds(buildingIds: number[]): void {
+export function showResourceSlotIds(buildingIds: number[]): void {
     showSlotIds('buildingSlot', buildingIds);
 }