From 3ac8980f09896f4db2eae300f326816e395b6f9d Mon Sep 17 00:00:00 2001
From: Alexey Morozov <alexey.morozov@live.ru>
Date: Fri, 6 Mar 2026 00:36:23 +0300
Subject: [PATCH 1/2] Enable strict mode in TypeScript configuration

---
 sidebars.ts                    |  6 +++++-
 src/examples/ExampleCommon.tsx | 11 +++++++++--
 tsconfig.json                  |  3 ++-
 3 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/sidebars.ts b/sidebars.ts
index 64caf9c4..7bc05623 100644
--- a/sidebars.ts
+++ b/sidebars.ts
@@ -24,11 +24,15 @@ const typedocItems: SidebarItems = JSON.parse(
 );
 
 function findSidebarCategory(items: SidebarItems, label: string): SidebarCategory {
-  return items.find((item): item is SidebarCategory =>
+  const category = items.find((item): item is SidebarCategory =>
     typeof item === 'object' &&
     item.type === 'category' &&
     item.label === label
   );
+  if (!category) {
+    throw new Error(`Cannot find sidebar category "${label}"`);
+  }
+  return category;
 }
 
 const sidebars: SidebarsConfig = {
diff --git a/src/examples/ExampleCommon.tsx b/src/examples/ExampleCommon.tsx
index 4ed7f5a0..8d413045 100644
--- a/src/examples/ExampleCommon.tsx
+++ b/src/examples/ExampleCommon.tsx
@@ -1,7 +1,6 @@
 import * as React from 'react';
 import { HashMap } from '@reactodia/hashmap';
 import * as Reactodia from '@reactodia/workspace';
-import { saveAs } from 'file-saver';
 
 export function ExampleToolbarMenu() {
   const {model, editor, overlay} = Reactodia.useWorkspace();
@@ -56,8 +55,16 @@ export function ExampleToolbarMenu() {
           const diagramLayout = model.exportLayout();
           const layoutString = JSON.stringify(diagramLayout);
           const blob = new Blob([layoutString], {type: 'application/json'});
+          const blobUrl = URL.createObjectURL(blob);
           const timestamp = new Date().toISOString().replaceAll(/[Z\s:-]/g, '');
-          saveAs(blob, `reactodia-diagram-${timestamp}.json`);
+          try {
+            const downloadLink = document.createElement('a');
+            downloadLink.href = blobUrl;
+            downloadLink.download = `reactodia-diagram-${timestamp}.json`;
+            downloadLink.click();
+          } finally {
+            URL.revokeObjectURL(blobUrl);
+          }
         }}>
         Save diagram to file
       </Reactodia.ToolbarActionSave>
diff --git a/tsconfig.json b/tsconfig.json
index 12a8aa2d..894fbc1a 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -4,7 +4,8 @@
   "compilerOptions": {
     "target": "ES2022",
     "lib": ["DOM", "ES2022"],
-    "baseUrl": "."
+    "baseUrl": ".",
+    "strict": true
   },
   "exclude": [
     "./reactodia-workspace"

From c7dbef426fa7af0cea61a81ebe51612ccb7f0a11 Mon Sep 17 00:00:00 2001
From: Alexey Morozov <alexey.morozov@live.ru>
Date: Fri, 6 Mar 2026 02:15:41 +0300
Subject: [PATCH 2/2] Fix source maps Webpack configuration

---
 src/plugins/configure-webpack/index.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/plugins/configure-webpack/index.js b/src/plugins/configure-webpack/index.js
index 2020e7c1..0d5ab2d1 100644
--- a/src/plugins/configure-webpack/index.js
+++ b/src/plugins/configure-webpack/index.js
@@ -9,11 +9,12 @@ export default async function importRawSource(context, opts) {
 
     configureWebpack(config, isServer, utils) {
       return {
+        devtool: 'source-map',
         module: {
           rules: [
             {
               test: /\.js$/,
-              enforce: "pre",
+              enforce: 'pre',
               use: [
                 {
                   loader: 'source-map-loader',