From a3729539855212d99ceb4a7ddb6bc98f6b84e7da Mon Sep 17 00:00:00 2001
From: Ryan Block <rblock@gmail.com>
Date: Mon, 23 Oct 2023 11:00:52 -0700
Subject: [PATCH] Add ability for unknown function-level configuration settings
 to be arrays / vectors

---
 changelog.md                         |  8 ++++++++
 src/config/_upsert.js                |  2 +-
 test/unit/src/config/_upsert-test.js | 25 ++++++++++++++++++++++---
 3 files changed, 31 insertions(+), 4 deletions(-)

diff --git a/changelog.md b/changelog.md
index afbe01ce..e9f4e992 100644
--- a/changelog.md
+++ b/changelog.md
@@ -2,6 +2,14 @@
 
 ---
 
+## [3.6.2] 2023-10-23
+
+### Added
+
+- Added ability for unknown function-level configuration settings to be arrays / vectors
+
+---
+
 ## [3.6.1] 2023-08-15
 
 ### Fixed
diff --git a/src/config/_upsert.js b/src/config/_upsert.js
index 5ceee91d..7d3efd79 100644
--- a/src/config/_upsert.js
+++ b/src/config/_upsert.js
@@ -60,7 +60,7 @@ module.exports = function upsertProps (config, newConfig) {
       policies = policies.concat(value)
     }
     else {
-      props[name] = value[0]
+      props[name] = value.length === 1 ? value[0] : value
     }
   }
 
diff --git a/test/unit/src/config/_upsert-test.js b/test/unit/src/config/_upsert-test.js
index f6311c4f..d6b3b00b 100644
--- a/test/unit/src/config/_upsert-test.js
+++ b/test/unit/src/config/_upsert-test.js
@@ -453,12 +453,31 @@ runtime python
 })
 
 test('Individual setting upsert: something unknown', t => {
-  t.plan(2)
-  let value = 'mysterious'
+  t.plan(6)
+  let result, value
+
+  value = 'mysterious'
   let { aws: idk } = parse(`@aws
 idk ${value}
 `)
-  let result = upsert(defaults, idk)
+  result = upsert(defaults, idk)
   t.notOk(defaults.idk, 'Testing property not already present in the default')
   t.equal(result.idk, value, 'Properly upserted unknown setting')
+
+  value = [ 'foo', 'bar' ]
+  let { aws: arr } = parse(`@aws
+arr
+  ${value[0]}
+  ${value[1]}
+`)
+  result = upsert(defaults, arr)
+  t.notOk(defaults.arr, 'Testing property not already present in the default')
+  t.deepEqual(result.arr, value, 'Properly upserted unknown array setting')
+
+  let { aws: inlineArr } = parse(`@aws
+arr ${value[0]} ${value[1]}
+`)
+  result = upsert(defaults, inlineArr)
+  t.notOk(defaults.arr, 'Testing property not already present in the default')
+  t.deepEqual(result.arr, value, 'Properly upserted unknown inline array setting')
 })