Make flag error message more helpful when flag undefined

2019-08-14 14:16:19 +07:00 · 2019-08-14 14:16:19 +07:00 · f8536b7446
commit f8536b7446
parent 198cff3d35
1 changed files with 3 additions and 1 deletions
--- a/packages/argparse/src/argparse.ts
+++ b/packages/argparse/src/argparse.ts
@ -310,7 +310,9 @@ export function argparse<T extends IArgsConfig>(
      }, {} as Record<string, true>)

      function getArgumentName(nameOrAlias: string): string {
-        return nameOrAlias in config ? nameOrAlias : aliases[nameOrAlias]
+        return (nameOrAlias in config
+          ? nameOrAlias
+          : aliases[nameOrAlias]) || nameOrAlias
      }

      function processFlags(argument: string): string {