diff --git a/types.d.ts b/types.d.ts
index e77f6b2..cab98e9 100644
--- a/types.d.ts
+++ b/types.d.ts
@@ -1,4 +1,4 @@
-type SupportedSourceDomains = "youtube";
+type SupportedSourceDomains = "youtube" | "crunchyroll" | "disney";
 type SupportedVideoTypes = "music video" | "television episode" | "movie" | "other"
 
 export interface ScriptInfo {
diff --git a/validator.ts b/validator.ts
index ce5e43c..d8cb03c 100644
--- a/validator.ts
+++ b/validator.ts
@@ -3,19 +3,29 @@ import schema from "./ScriptData.json";
 import path from "path";
 import fs from "fs";
 
+const validateDirectory = (dir: string) => {
+    const files = fs.readdirSync(dir);
+    files.forEach((f) => {
+        const file_path = path.join(dir, f);
+        const stats = fs.statSync(file_path);
+        if(stats.isDirectory()){
+            validateDirectory(file_path);
+            return;
+        }
+
+        const contents = JSON.parse(fs.readFileSync(path.join(dir, f)).toString());
+        if(contents.scripts[0].author === ""){
+            console.log("Unspecified author in file", f)
+        }
+        const isValid = validator(contents);
+    
+        if(!isValid){
+            console.log("Error with file", f);
+            console.log(validator.errors);
+        }
+    });
+}
+
 const ajv = new Ajv();
 const validator = ajv.compile(schema);
-const directory = path.join(__dirname, "transcripts");
-const files = fs.readdirSync(directory);
-files.forEach((f) => {
-    const contents = JSON.parse(fs.readFileSync(path.join(directory, f)).toString());
-    if(contents.scripts[0].author === ""){
-        console.log("Unspecified author in file", f)
-    }
-    const isValid = validator(contents);
-
-    if(!isValid){
-        console.log("Error with file", f);
-        console.log(validator.errors);
-    }
-});
+validateDirectory(path.join(__dirname, "transcripts"));