updated prettier config

src/build.ts

@@ -9,7 +9,7 @@ import { CLIArgs } from './main'
 export default function (
     name: string,
     watchCallback: (meta: UserScriptMetaFull, error: string | null) => void,
-    PrettierConfig: Options | null,
+    PrettierConfig: Options,
     CLIArgs: CLIArgs
 ): [UserScriptMetaFull, string | null] {
     //read meta file
@@ -153,7 +153,7 @@ function runPostEsbuild(
     result: RunEsbuildResult,
     metaString: string,
     CLIArgs: CLIArgs,
-    PrettierConfig: Options | null
+    PrettierConfig: Options
 ) {
     let error: string | null = null
     let path = ScriptPath(name)
@@ -165,10 +165,7 @@ function runPostEsbuild(
     } else if (result.content) {
         let content = metaString + result.content
         if (CLIArgs.prettier) {
-            content = format(
-                content,
-                PrettierConfig === null ? undefined : PrettierConfig
-            )
+            content = format(content, PrettierConfig)
         }
         writeFileSync(pathDist, content)
     } else {