feat: support dynamic fuzzy threshold

info.plist

@@ -1454,6 +1454,31 @@ https://github.com/Avivbens/alfred-engage-contact</string>
         <key>variable</key>
         <string>slice_amount</string>
       </dict>
+      <dict>
+        <key>config</key>
+        <dict>
+          <key>defaultvalue</key>
+          <integer>4</integer>
+          <key>markercount</key>
+          <integer>10</integer>
+          <key>maxvalue</key>
+          <integer>10</integer>
+          <key>minvalue</key>
+          <integer>0</integer>
+          <key>onlystoponmarkers</key>
+          <true></true>
+          <key>showmarkers</key>
+          <true></true>
+        </dict>
+        <key>description</key>
+        <string>A number between 1-10. A higher number would be less accurate, but more dynamic.</string>
+        <key>label</key>
+        <string>Fuzzy search accuracy</string>
+        <key>type</key>
+        <string>slider</string>
+        <key>variable</key>
+        <string>fuzzy_threshold</string>
+      </dict>
     </array>
     <key>version</key>
     <string>3.0.6</string>

src/common/variables.ts

@@ -1,4 +1,5 @@
 export enum Variables {
     COUNTRY_CODE = 'country_code',
     SLICE_AMOUNT = 'slice_amount',
+    FUZZY_THRESHOLD = 'fuzzy_threshold',
 }

src/main/contacts.ts

@@ -31,9 +31,14 @@ import { searchContacts } from '@services/search.service'
         parser: Number,
     })
 
+    const fuzzyThreshold: number = alfredClient.env.getEnv(Variables.FUZZY_THRESHOLD, {
+        defaultValue: 0.4,
+        parser: (input) => Number(input) / 10,
+    })
+
     const contacts: IContact[] = getContacts(alfredClient)
 
-    const filteredContacts = await searchContacts(contacts, searchTerm, sliceAmount)
+    const filteredContacts = await searchContacts(contacts, searchTerm, sliceAmount, fuzzyThreshold)
 
     const items: AlfredScriptFilter['items'] = filteredContacts
         .map(({ firstName, lastName, phoneNumbers, emailAddresses }: IContact) => {

src/services/search.service.ts

@@ -1,14 +1,19 @@
 import type { IContact } from '@models/contact.model'
 import { SEARCH_FIELDS_CONFIG } from './search.config'
 
-export async function searchContacts(contacts: IContact[], searchTerm: string, limit: number): Promise<IContact[]> {
+export async function searchContacts(
+    contacts: IContact[],
+    searchTerm: string,
+    limit: number,
+    threshold: number,
+): Promise<IContact[]> {
     const Fuse = (await import('fuse.js/min-basic')).default
 
     const fuse = new Fuse(contacts, {
         keys: SEARCH_FIELDS_CONFIG,
         isCaseSensitive: false,
         shouldSort: true,
-        threshold: 0.4,
+        threshold,
     })
 
     const res = fuse.search(searchTerm, { limit })