1 files changed, 6 insertions, 1 deletions
diff --git a/node_modules/yargs/lib/completion.js b/node_modules/yargs/lib/completion.js
index 93a936cf6..5cd9a18a0 100644
--- a/node_modules/yargs/lib/completion.js
+++ b/node_modules/yargs/lib/completion.js
@@ -44,7 +44,12 @@ module.exports = function (yargs, usage, command) {
     var handlers = command.getCommandHandlers()
     for (var i = 0, ii = args.length; i < ii; ++i) {
       if (handlers[args[i]] && handlers[args[i]].builder) {
-        return handlers[args[i]].builder(yargs.reset()).argv
+        const builder = handlers[args[i]].builder
+        if (typeof builder === 'function') {
+          const y = yargs.reset()
+          builder(y)
+          return y.argv
+        }
       }
     }