Add error handling

src/ts/parser.ts

@@ -396,6 +396,7 @@ type matcherArg = {
     runVar?:boolean
 }
 const matcher = (p1:string,matcherArg:matcherArg) => {
+    try {
         if(p1.length > 100000){
             return ''
         }
@@ -812,6 +813,9 @@ const matcher = (p1:string,matcherArg:matcherArg) => {
             return (Math.floor(Math.random() * maxRoll) + 1).toString()
         }
         return null        
+    } catch (error) {
+        return null   
+    }
 }
 
 const smMatcher = (p1:string,matcherArg:matcherArg) => {
@@ -1154,7 +1158,7 @@ export function getChatVar(key:string){
     const char = db.characters[selectedChar]
     const chat = char.chats[char.chatPage]
     chat.scriptstate = chat.scriptstate ?? {}
-    return (chat.scriptstate['$' + key]).toString() ?? 'null'
+    return (chat.scriptstate['$' + key])?.toString() ?? 'null'
 }
 
 export function setChatVar(key:string, value:string){