fix: fix demandOption no longer treats 'false' as truthy (#829)

yargs · Mar 22, 2017 · c748dd2 · c748dd2
1 parent e0b4efb
commit c748dd2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/yargs.js b/yargs.js
@@ -567,7 +567,7 @@ function Yargs (processArgs, cwd, parentRequire) {
         self.demand(key, demand)
       }
 
-      if ('demandOption' in opt) {
+      if (opt.demandOption) {
         self.demandOption(key, typeof opt.demandOption === 'string' ? opt.demandOption : undefined)
       }