Improve search for single character (#18748)

hassio/src/components/hassio-filter-addons.ts

@@ -6,7 +6,7 @@ export function filterAndSort(addons: StoreAddon[], filter: string) {
   const options: IFuseOptions<StoreAddon> = {
     keys: ["name", "description", "slug"],
     isCaseSensitive: false,
-    minMatchCharLength: 2,
+    minMatchCharLength: Math.min(filter.length, 2),
     threshold: 0.2,
   };
   const fuse = new Fuse(addons, options);

src/panels/config/integrations/dialog-add-integration.ts

@@ -249,7 +249,7 @@ class AddIntegrationDialog extends LitElement {
             "iot_standards",
           ],
           isCaseSensitive: false,
-          minMatchCharLength: 2,
+          minMatchCharLength: Math.min(filter.length, 2),
           threshold: 0.2,
         };
         const helpers = Object.entries(h).map(([domain, integration]) => ({

src/panels/config/integrations/ha-config-integrations-dashboard.ts

@@ -161,7 +161,7 @@ class HaConfigIntegrationsDashboard extends SubscribeMixin(LitElement) {
         const options: IFuseOptions<ConfigEntryExtended> = {
           keys: ["domain", "localized_domain_name", "title"],
           isCaseSensitive: false,
-          minMatchCharLength: 2,
+          minMatchCharLength: Math.min(filter.length, 2),
           threshold: 0.2,
         };
         const fuse = new Fuse(configEntries, options);
@@ -205,7 +205,7 @@ class HaConfigIntegrationsDashboard extends SubscribeMixin(LitElement) {
         const options: IFuseOptions<DataEntryFlowProgressExtended> = {
           keys: ["handler", "localized_title"],
           isCaseSensitive: false,
-          minMatchCharLength: 2,
+          minMatchCharLength: Math.min(filter.length, 2),
           threshold: 0.2,
         };
         const fuse = new Fuse(configEntriesInProgress, options);

src/panels/lovelace/editor/card-editor/hui-card-picker.ts

@@ -81,7 +81,7 @@ export class HuiCardPicker extends LitElement {
       const options: IFuseOptions<Card> = {
         keys: ["type", "name", "description"],
         isCaseSensitive: false,
-        minMatchCharLength: filter.length === 1 ? 1 : 2,
+        minMatchCharLength: Math.min(filter.length, 2),
         threshold: 0.2,
       };
       const fuse = new Fuse(cards, options);