Deep merge props passed to render method with the shared data

Author: bknoles

lib/inertia_rails/renderer.rb

@@ -42,7 +42,7 @@ def layout
     end
 
     def props
-      _props = ::InertiaRails.shared_data(@controller).merge(@props).select do |key, prop|
+      _props = ::InertiaRails.shared_data(@controller).deep_merge(@props).select do |key, prop|
         if rendering_partial_component?
           key.in? partial_keys
         else

spec/dummy/app/controllers/inertia_merge_shared_controller.rb

@@ -0,0 +1,18 @@
+class InertiaMergeSharedController < ApplicationController
+  inertia_share do
+    {
+      nested: {
+        goals: 100,
+        assists: 100,
+      }
+    }
+  end
+
+  def merge_shared
+    render inertia: 'ShareTestComponent', props: {
+      nested: {
+        assists: 200,
+      }
+    }
+  end
+end

spec/dummy/config/routes.rb

@@ -34,4 +34,6 @@
   get 'provided_props_test' => 'inertia_rails_mimic#provided_props_test'
 
   inertia 'inertia_route' => 'TestComponent'
+
+  get 'merge_shared' => 'inertia_merge_shared#merge_shared'
 end

spec/inertia/sharing_spec.rb

@@ -1,5 +1,5 @@
 RSpec.describe 'using inertia share when rendering views', type: :request do
-  subject { JSON.parse(response.body)['props'].symbolize_keys }
+  subject { JSON.parse(response.body)['props'].deep_symbolize_keys }
 
   context 'using inertia share' do
     let(:props) { {name: 'Brandon', sport: 'hockey', position: 'center', number: 29} }
@@ -99,4 +99,10 @@
       expect(InertiaRails.shared_blocks).to be_empty
     end
   end
+
+  describe 'deep merging with shared data' do
+    let(:props) { { nested: { goals: 100, assists: 200 } } }
+    before { get merge_shared_path, headers: {'X-Inertia' => true} }
+    it { is_expected.to eq props }
+  end
 end