From 53b563f7f0943fddda6e71af1f140c29034bc026 Mon Sep 17 00:00:00 2001
From: Minty Fresh <7896757+mintyfresh@users.noreply.github.com>
Date: Mon, 18 Oct 2021 15:08:39 -0400
Subject: [PATCH 1/2] Prevent in-place modification of parameter scopes.

---
 lib/rspec_api_documentation/dsl/endpoint/params.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/rspec_api_documentation/dsl/endpoint/params.rb b/lib/rspec_api_documentation/dsl/endpoint/params.rb
index 63d7d752..020fbbb2 100644
--- a/lib/rspec_api_documentation/dsl/endpoint/params.rb
+++ b/lib/rspec_api_documentation/dsl/endpoint/params.rb
@@ -37,7 +37,7 @@ def extended
               # this.
               if cur.is_a?(Array) && cur.first.is_a?(Hash)
                 cur = cur.first
-                param[:scope] << ''
+                p[:scope] << ''
               end
 
               p[:value] = cur && (cur[p[:name].to_s] || cur[p[:name].to_sym])

From 90e57068b3bfb53bb2723fd2e85ae518e5459509 Mon Sep 17 00:00:00 2001
From: Minty Fresh <7896757+mintyfresh@users.noreply.github.com>
Date: Mon, 18 Oct 2021 15:47:10 -0400
Subject: [PATCH 2/2] Handle multiple levels of parameter arrays.

---
 .../dsl/endpoint/params.rb                    | 22 ++++++++++---------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/lib/rspec_api_documentation/dsl/endpoint/params.rb b/lib/rspec_api_documentation/dsl/endpoint/params.rb
index 020fbbb2..a5e07bf2 100644
--- a/lib/rspec_api_documentation/dsl/endpoint/params.rb
+++ b/lib/rspec_api_documentation/dsl/endpoint/params.rb
@@ -29,15 +29,18 @@ def extended
             p[:value] = SetParam.new(self, nil, p).value
             unless p[:value]
               cur = extra_params
-              [*p[:scope]].each { |scope| cur = cur && (cur[scope.to_sym] || cur[scope.to_s]) }
-
-              # When the current parameter is an array of objects, we use the
-              # first one for the value and add a scope indicator. The
-              # resulting parameter name looks like +props[pictures][][id]+
-              # this.
-              if cur.is_a?(Array) && cur.first.is_a?(Hash)
-                cur = cur.first
-                p[:scope] << ''
+
+              [*p[:scope]].each do |scope|
+                cur = cur && (cur[scope.to_sym] || cur[scope.to_s])
+
+                # When the current parameter is an array of objects, we use the
+                # first one for the value and add a scope indicator. The
+                # resulting parameter name looks like +props[pictures][][id]+
+                # this.
+                if cur.is_a?(Array) && cur.first.is_a?(Hash)
+                  cur = cur.first
+                  p[:scope] << ''
+                end
               end
 
               p[:value] = cur && (cur[p[:name].to_s] || cur[p[:name].to_sym])
@@ -49,7 +52,6 @@ def extended
       private
 
         attr_reader :extra_params
-
       end
     end
   end