refactor(rendering): working on renderer endFrame

src/renderer/Renderer.ts

@@ -1,9 +1,17 @@
 import { RenderCommand } from './RenderCommand';
 
 export class Renderer {
-    public readonly commandBuffer: RenderCommand[] = [];
+    private _commandBuffer: RenderCommand[] = [];
+
+    public get commandBuffer(): RenderCommand[] {
+        return this._commandBuffer;
+    }
 
     public pushRenderCommand(command: RenderCommand): void {
-        this.commandBuffer.push(command);
+        this._commandBuffer.push(command);
+    }
+
+    public endFrame(): void {
+        this._commandBuffer = [];
     }
 }

test/renderer/Renderer.test.ts

@@ -16,4 +16,33 @@ describe('renderer/Renderer', () => {
             expect(renderer.commandBuffer).toContain(renderCommand);
         });
     });
+
+    describe('.endFrame()', () => {
+        it.skip('Should execute queued rendering commands', () => {
+            const renderCommand = {
+                renderCommandID: RenderCommandID.RC_DrawPrimitive,
+                primitiveType: PrimitiveType.Rectangle,
+                position: [0, 0],
+                size: [0, 0]
+            };
+
+            renderer.pushRenderCommand(renderCommand);
+            renderer.endFrame();
+        })
+
+        it('Should clear the command buffer', () => {
+            const renderCommand = {
+                renderCommandID: RenderCommandID.RC_DrawPrimitive,
+                primitiveType: PrimitiveType.Rectangle,
+                position: [0, 0],
+                size: [0, 0]
+            };
+
+            renderer.pushRenderCommand(renderCommand);
+            renderer.endFrame();
+
+            expect(renderer.commandBuffer).toEqual([]);
+
+        });
+    });
 });