From 802d7df078ac827abb3919b965974bd4553e1658 Mon Sep 17 00:00:00 2001
From: Chen Gang <gangc.cxy@foxmail.com>
Date: Tue, 14 May 2019 15:22:42 +0800
Subject: [PATCH] fix: should populate "_" when given config with
 "short-option-groups" false

issues: https://github.com/yargs/yargs-parser/issues/177
---
 index.js             |  2 +-
 test/yargs-parser.js | 13 +++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index ed54b8d6..3b772185 100644
--- a/index.js
+++ b/index.js
@@ -177,7 +177,7 @@ function parse (args, opts) {
 
     // -- seperated by space.
     } else if (arg.match(/^--.+/) || (
-      !configuration['short-option-groups'] && arg.match(/^-.+/)
+      !configuration['short-option-groups'] && arg.match(/^-[^-]+/)
     )) {
       key = arg.match(/^--?(.+)/)[1]
 
diff --git a/test/yargs-parser.js b/test/yargs-parser.js
index fcff562a..6106e953 100644
--- a/test/yargs-parser.js
+++ b/test/yargs-parser.js
@@ -2442,6 +2442,19 @@ describe('yargs-parser', function () {
         result.should.not.have.property('--')
       })
 
+      it('should populate "_" when given config with "short-option-groups" false', function () {
+        var result = parser.detailed([
+          '--', 'foo'
+        ], {
+          configuration: {
+            'short-option-groups': false
+          }
+        })
+        result.argv.should.deep.equal({ '_': ['foo'] })
+        result.argv.should.not.have.property('--')
+        result.newAliases.should.deep.equal({})
+      })
+
       it('should populate the "--" if populate-- is "true"', function () {
         var result = parser([
           '--name=meowmers', 'bare', '-cats', 'woo', 'moxy',