Refactor blockEndMatcher function to use switch statement

src/ts/parser.ts

@@ -917,17 +917,21 @@ function blockStartMatcher(p1:string,matcherArg:matcherArg):blockMatch{
 }
 
 function blockEndMatcher(p1:string,type:blockMatch,matcherArg:matcherArg):string{
-    if(type === 'ignore'){
+    switch(type){
+        case 'ignore':{
             return ''
         }
-    if(type === 'parse'){
+        case 'parse':{
             return p1.trim()
         }
-    if(type === 'parse-pure'){
+        case 'parse-pure':{
             return p1
         }
+        default:{
             return ''
         }
+    }
+}
 
 export function risuChatParser(da:string, arg:{
     chatID?:number