feat(funbox): add mode that doubles each letter (LyricLy) (#4771)

* feat: add mode that doubles each letter to funbox

* increase difficulty

---------

Co-authored-by: Miodec <jack@monkeytype.com>

backend/src/constants/funbox-list.ts

@@ -331,6 +331,13 @@ const FunboxList: MonkeyTypes.FunboxMetadata[] = [
     canGetPb: true,
     difficultyLevel: 3,
   },
+  {
+    canGetPb: true,
+    difficultyLevel: 1,
+    properties: ["noLigatures"],
+    frontendFunctions: ["alterText"],
+    name: "ddoouubblleedd",
+  },
 ];
 
 export default FunboxList;

frontend/src/ts/test/funbox/funbox-list.ts

@@ -255,6 +255,11 @@ const list: MonkeyTypes.FunboxMetadata[] = [
       "wordOrder:reverse",
     ],
   },
+  {
+    name: "ddoouubblleedd",
+    info: "TTyyppee eevveerryytthhiinngg ttwwiiccee..",
+    properties: ["noLigatures"],
+  },
 ];
 
 export function getAll(): MonkeyTypes.FunboxMetadata[] {

frontend/src/ts/test/funbox/funbox.ts

@@ -505,6 +505,12 @@ FunboxList.setFunboxFunctions("zipf", {
   },
 });
 
+FunboxList.setFunboxFunctions("ddoouubblleedd", {
+  alterText(word: string): string {
+    return word.replace(/./gu, "$&$&");
+  },
+});
+
 export function toggleScript(...params: string[]): void {
   FunboxList.get(Config.funbox).forEach((funbox) => {
     if (funbox.functions?.toggleScript) funbox.functions.toggleScript(params);

frontend/static/funbox/_list.json

@@ -180,5 +180,10 @@
     "name": "backwards",
     "info": "...sdrawkcab epyt ot yrt woN",
     "canGetPb": true
+  },
+  {
+    "name": "ddoouubblleedd",
+    "info": "TTyyppee eevveerryytthhiinngg ttwwiiccee..",
+    "canGetPb": true
   }
 ]