Fix not exiting >0 in --json mode for some errs

Author: mxcl

README.md

@@ -16,7 +16,7 @@
 </p>
 
 
-# tea/cli 0.33.2
+# tea/cli 0.33.3
 
 `tea` puts the whole open source ecosystem at your fingertips:
 

src/hooks/useErrorHandler.ts

@@ -58,6 +58,7 @@ export default async function(err: Error) {
     return code
   } else if (json) {
     logJSON({ error: true, message: err.message })
+    return 1
   } else if (!silent) {
     const { stack, message } = err ?? {}