update item name feature to handle HEAR rebate projects

src/item-name.ts

@@ -1,5 +1,6 @@
 import { ItemType } from './api/calculator-types-v1';
 import { MsgFn } from './i18n/use-translated';
+import { Project } from './projects';
 
 type ItemGroup =
   | 'air_source_heat_pump'
@@ -14,7 +15,8 @@ type ItemGroup =
   | 'weatherization'
   | 'audit_and_weatherization'
   | 'water_heater'
-  | 'electric_outdoor_equipment';
+  | 'electric_outdoor_equipment'
+  | 'hear_projects';
 
 const ALL_INSULATION: ItemType[] = [
   'attic_or_roof_insulation',
@@ -114,13 +116,17 @@ const ITEM_GROUPS: { group: ItemGroup; members: Set<ItemType> }[] = [
     group: 'water_heater',
     members: new Set(['heat_pump_water_heater', 'non_heat_pump_water_heater']),
   },
+  {
+    group: 'hear_projects',
+    members: new Set(['heat_pump_clothes_dryer', 'electric_stove']),
+  },
 ];
 
 const itemsBelongToGroup = (items: ItemType[], members: Set<ItemType>) => {
   return items.every(i => members.has(i));
 };
 
-const multipleItemsName = (items: ItemType[], msg: MsgFn) => {
+const multipleItemsName = (items: ItemType[], msg: MsgFn, project: Project) => {
   // For a multiple-items case, check whether all the items are in one of the
   // defined groups.
   for (const { group, members } of ITEM_GROUPS) {
@@ -174,6 +180,8 @@ const multipleItemsName = (items: ItemType[], msg: MsgFn) => {
           return msg('electric outdoor equipment', {
             desc: 'e.g. "$100 off [this string]"',
           });
+        case 'hear_projects':
+          return hearName(items, msg, project);
         default: {
           // This will be a type error if the above switch is not exhaustive
           const unknownGroup: never = group;
@@ -186,12 +194,40 @@ const multipleItemsName = (items: ItemType[], msg: MsgFn) => {
   return null;
 };
 
+const hearName = (items: ItemType[], msg: MsgFn, project: Project) => {
+  const HEAR_INCENTIVE_PROJECT_MSG_LIST: {
+    item: ItemType;
+    project: Project;
+    itemName: string;
+  }[] = [
+    {
+      item: 'heat_pump_clothes_dryer',
+      project: 'clothes_dryer',
+      itemName: 'a heat pump clothes dryer',
+    },
+
+    {
+      item: 'electric_stove',
+      project: 'cooking',
+      itemName: 'an electric/induction stove',
+    },
+  ];
+
+  const match = HEAR_INCENTIVE_PROJECT_MSG_LIST.find(
+    group => items.includes(group.item) && project === group.project,
+  );
+
+  if (!match) return null;
+
+  return msg(match.itemName, { desc: 'e.g. "$100 off [this string]"' });
+};
+
 /**
  * TODO this is an internationalization sin. Figure out something better!
  */
-export const itemName = (items: ItemType[], msg: MsgFn) => {
+export const itemName = (items: ItemType[], msg: MsgFn, project: Project) => {
   if (items.length > 1) {
-    return multipleItemsName(items, msg);
+    return multipleItemsName(items, msg, project);
   }
 
   if (items.length !== 1) {

src/state-incentive-details.tsx

@@ -33,8 +33,8 @@ const formatUnit = (unit: AmountUnit, msg: MsgFn) =>
     ? msg('watt')
     : unit;
 
-const formatTitle = (incentive: Incentive, msg: MsgFn) => {
-  const item = itemName(incentive.items, msg);
+const formatTitle = (incentive: Incentive, msg: MsgFn, project: Project) => {
+  const item = itemName(incentive.items, msg, project);
   if (!item) {
     return null;
   }
@@ -145,6 +145,7 @@ const renderCardCollection = (
   incentives: Incentive[],
   iraRebates: IRARebate[],
   showComingSoon: boolean,
+  project: Project,
 ) => {
   const { msg } = useTranslated();
   return (
@@ -156,7 +157,7 @@ const renderCardCollection = (
             (getStartYearIfInFuture(a) ?? 0) - (getStartYearIfInFuture(b) ?? 0),
         )
         .map((incentive, index) => {
-          const headline = formatTitle(incentive, msg);
+          const headline = formatTitle(incentive, msg, project);
           if (!headline) {
             // We couldn't generate a headline either because the items are
             // unknown, or the amount type is unknown. Don't show a card.
@@ -271,7 +272,12 @@ const IncentiveGrid = forwardRef<HTMLDivElement, IncentiveGridProps>(
           />
         </div>
         {selectedTab !== null
-          ? renderCardCollection(incentives, iraRebates, !hasStateCoverage)
+          ? renderCardCollection(
+              incentives,
+              iraRebates,
+              !hasStateCoverage,
+              selectedTab,
+            )
           : renderSelectProjectCard()}
       </>
     );

test/item-names.test.ts

@@ -4,47 +4,80 @@ import { itemName } from '../src/item-name';
 
 describe('group names', () => {
   test('heat pumps', () => {
-    expect(itemName(['ducted_heat_pump', 'ductless_heat_pump'], msg)).toBe(
-      'an air source heat pump',
-    );
     expect(
-      itemName(['ducted_heat_pump', 'geothermal_heating_installation'], msg),
+      itemName(['ducted_heat_pump', 'ductless_heat_pump'], msg, 'hvac'),
+    ).toBe('an air source heat pump');
+    expect(
+      itemName(
+        ['ducted_heat_pump', 'geothermal_heating_installation'],
+        msg,
+        'hvac',
+      ),
     ).toBe('a heat pump');
   });
 
   test('weatherization and insulation', () => {
     expect(
-      itemName(['attic_or_roof_insulation', 'basement_insulation'], msg),
+      itemName(
+        ['attic_or_roof_insulation', 'basement_insulation'],
+        msg,
+        'weatherization_and_efficiency',
+      ),
     ).toBe('insulation');
-    expect(itemName(['attic_or_roof_insulation', 'air_sealing'], msg)).toBe(
-      'weatherization',
-    );
-    expect(itemName(['wall_insulation', 'other_insulation'], msg)).toBe(
-      'insulation',
-    );
-    expect(itemName(['wall_insulation', 'other_weatherization'], msg)).toBe(
-      'weatherization',
-    );
-    expect(itemName(['other_weatherization', 'energy_audit'], msg)).toBe(
-      'an energy audit and weatherization',
-    );
+    expect(
+      itemName(
+        ['attic_or_roof_insulation', 'air_sealing'],
+        msg,
+        'weatherization_and_efficiency',
+      ),
+    ).toBe('weatherization');
+    expect(
+      itemName(
+        ['wall_insulation', 'other_insulation'],
+        msg,
+        'weatherization_and_efficiency',
+      ),
+    ).toBe('insulation');
+    expect(
+      itemName(
+        ['wall_insulation', 'other_weatherization'],
+        msg,
+        'weatherization_and_efficiency',
+      ),
+    ).toBe('weatherization');
+    expect(
+      itemName(
+        ['other_weatherization', 'energy_audit'],
+        msg,
+        'weatherization_and_efficiency',
+      ),
+    ).toBe('an energy audit and weatherization');
   });
 
   test('vehicles', () => {
     expect(
-      itemName(['new_electric_vehicle', 'used_electric_vehicle'], msg),
+      itemName(['new_electric_vehicle', 'used_electric_vehicle'], msg, 'ev'),
     ).toBe('an electric vehicle');
     expect(
       itemName(
         ['new_plugin_hybrid_vehicle', 'used_plugin_hybrid_vehicle'],
         msg,
+        'ev',
       ),
     ).toBe('a plug-in hybrid');
     expect(
-      itemName(['new_electric_vehicle', 'new_plugin_hybrid_vehicle'], msg),
+      itemName(
+        ['new_electric_vehicle', 'new_plugin_hybrid_vehicle'],
+        msg,
+        'ev',
+      ),
     ).toBe('a new vehicle');
     expect(
-      itemName(['used_electric_vehicle', 'used_plugin_hybrid_vehicle'], msg),
+      itemName(
+        ['used_electric_vehicle', 'used_plugin_hybrid_vehicle'],
+        msg,
+        'ev',
+      ),
     ).toBe('a used vehicle');
 
     expect(
@@ -56,7 +89,22 @@ describe('group names', () => {
           'used_plugin_hybrid_vehicle',
         ],
         msg,
+        'ev',
       ),
     ).toBeNull();
   });
+
+  test('HEAR rebates applicable to multiple appliances', () => {
+    expect(
+      itemName(['heat_pump_clothes_dryer', 'electric_stove'], msg, 'cooking'),
+    ).toBe('an electric/induction stove');
+
+    expect(
+      itemName(
+        ['heat_pump_clothes_dryer', 'electric_stove'],
+        msg,
+        'clothes_dryer',
+      ),
+    ).toBe('a heat pump clothes dryer');
+  });
 });