From dc788daac7845f5cf7a44c2f73c84087441264ef Mon Sep 17 00:00:00 2001
From: iilei <iilei@users.noreply.github.com>
Date: Sat, 6 Oct 2018 21:35:55 +0200
Subject: [PATCH] fix: hyphenated flags combined with dot notation broke
 parsing (#131)

BREAKING CHANGE: the argv object is now populated differently (correctly) when hyphens and dot notation are used in conjunction.
---
 index.js             | 5 ++++-
 test/yargs-parser.js | 9 +++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 357fe227..caf8a646 100644
--- a/index.js
+++ b/index.js
@@ -372,7 +372,10 @@ function parse (args, opts) {
     unsetDefaulted(key)
 
     if (/-/.test(key) && configuration['camel-case-expansion']) {
-      addNewAlias(key, camelCase(key))
+      var alias = key.split('.').map(function (prop) {
+        return camelCase(prop)
+      }).join('.')
+      addNewAlias(key, alias)
     }
 
     var value = processValue(key, val)
diff --git a/test/yargs-parser.js b/test/yargs-parser.js
index 62a4965f..b6e2396e 100644
--- a/test/yargs-parser.js
+++ b/test/yargs-parser.js
@@ -1115,6 +1115,15 @@ describe('yargs-parser', function () {
 
         argv.fooBar.should.equal(99)
       })
+
+      // Fixes: https://github.com/yargs/yargs-parser/issues/77
+      it('should combine dot-notation and camel-case expansion', function () {
+        var argv = parser(['--dot-notation.foo.bar'])
+
+        argv.should.satisfy(function (args) {
+          return args.dotNotation.foo.bar
+        })
+      })
     })
 
     it('should define option as boolean and set default to true', function () {