search: add levelshtein distance based search

.config/quickshell/services/AppSearch.qml

@@ -1,6 +1,8 @@
 pragma Singleton
 
+import "root:/modules/common"
 import "root:/modules/common/functions/fuzzysort.js" as Fuzzy
+import "root:/modules/common/functions/levendist.js" as Levendist
 import Quickshell
 import Quickshell.Io
 
@@ -9,16 +11,28 @@ import Quickshell.Io
  */
 Singleton {
     id: root
+    property bool sloppySearch: ConfigOptions?.search.sloppy ?? false
+    property real scoreThreshold: 0.2
 
     readonly property list<DesktopEntry> list: Array.from(DesktopEntries.applications.values)
         .sort((a, b) => a.name.localeCompare(b.name))
-        
+
     readonly property var preppedNames: list.map(a => ({
                 name: Fuzzy.prepare(`${a.name} `),
                 entry: a
             }))
 
     function fuzzyQuery(search: string): var { // Idk why list<DesktopEntry> doesn't work
+        if (root.sloppySearch) {
+            const results = list.map(obj => ({
+                entry: obj,
+                score: Levendist.computeScore(obj.name.toLowerCase(), search.toLowerCase())
+            })).filter(item => item.score > root.scoreThreshold)
+                .sort((a, b) => b.score - a.score)
+            return results
+                .map(item => item.entry)
+        }
+
         return Fuzzy.go(search, preppedNames, {
             all: true,
             key: "name"