Enable TypeScript strict mode, fix Webpack source-map-loader config for dependencies

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 = {

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>

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',

tsconfig.json

@@ -4,7 +4,8 @@
   "compilerOptions": {
     "target": "ES2022",
     "lib": ["DOM", "ES2022"],
-    "baseUrl": "."
+    "baseUrl": ".",
+    "strict": true
   },
   "exclude": [
     "./reactodia-workspace"