From 5c7c24212b7c99a4c86cba90329ee6d7fc970a2b Mon Sep 17 00:00:00 2001
From: Corey Butler <corey@coreybutler.com>
Date: Tue, 3 Aug 2021 22:44:16 -0500
Subject: [PATCH] Fixed regression with multi-value flags

---
 package.json           |  2 +-
 src/index.js           |  6 +++++-
 tests/09-regression.js | 18 ++++++++++++++++--
 3 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/package.json b/package.json
index 0764f34..068775f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@author.io/arg",
-  "version": "1.3.13",
+  "version": "1.3.14",
   "description": "An argument parser for CLI applications.",
   "main": "src/index.js",
   "exports": {
diff --git a/src/index.js b/src/index.js
index d1349f9..38cd99f 100644
--- a/src/index.js
+++ b/src/index.js
@@ -205,7 +205,11 @@ class Parser {
     this.#length = flags.length + args.length
 
     for (const arg of flags) {
-      this.#flagRef(arg.flag).value = arg.value
+      let ref = this.#flagRef(arg.flag)
+      if (ref.aliasOf) {
+        ref = ref.aliasOf
+      }
+      ref.value = arg.value
     }
 
     for (const arg of args) {
diff --git a/tests/09-regression.js b/tests/09-regression.js
index 23047a9..22f5d70 100644
--- a/tests/09-regression.js
+++ b/tests/09-regression.js
@@ -64,7 +64,7 @@ test('Non-Boolean Regression Test', t => {
   t.end()
 })
 
-test('Flag values with spaces', t => {
+test('Spaces in flag values', t => {
   const input = 'test -c "my connection"'
   const cfg = {
     connection: {
@@ -75,4 +75,18 @@ test('Flag values with spaces', t => {
 
   t.expect('my connection', data.connection, 'Extract escaped values with spaces')
   t.end()
-})
\ No newline at end of file
+})
+
+test('Multi-value flags', t => {
+  const input = 'test -f a.js -f b.js'
+  const cfg = {
+    file: {
+      alias: 'f',
+      allowMultipleValues: true
+    }
+  }
+  const { data } = new Parser(input, cfg)
+
+  t.expect(2, data.file.length, 'Extract multiple values')
+  t.end()
+})