fix(demo): Fixes webpack serve/demo to 5.x compatible

Changes to webpack-dev-server which is compatible with webpack 5.x, adds missing typescript
definition for property

docs/webpack.config.js

@@ -7,6 +7,13 @@ const baseConfig = {
     extensions: ['.js', '.css'],
     modules: ['node_modules'],
   },
+  devServer: {
+    static: {
+      directory: __dirname,
+    },
+    open: true,
+    port: 3000,
+  },
   module: {
     rules: [
       {

package.json

@@ -28,7 +28,7 @@
     "build:docs": "yarn build && cross-env NODE_ENV=production webpack --config docs/webpack.config.js --bail --mode=production",
     "commit": "git-cz",
     "coveralls": "yarn test && c8 report --reporter=text-lcov | coveralls",
-    "demo": "rimraf ./docs/bundle.js && webpack-serve --content ./docs --port 3000 --open --config docs/webpack.config.js",
+    "demo": "rimraf ./docs/bundle.js && webpack serve --config docs/webpack.config.js",
     "prepublishOnly": "yarn build",
     "lint": "eslint --fix src docs webpack.config.js && stylelint --fix \"src/**/*.css\"",
     "lint:nofix": "eslint src webpack.config.js && stylelint \"src/**/*.css\"",
@@ -109,11 +109,11 @@
     "style-loader": "^0.20.1",
     "stylelint": "^9.0.0",
     "stylelint-config-standard": "^18.0.0",
-    "url-loader": "^1.0.1",
+    "url-loader": "^4.1.1",
     "webpack": "^5.75.0",
     "webpack-bundle-analyzer": "^4.7.0",
     "webpack-cli": "^5.0.1",
-    "webpack-serve": "^4.0.0",
+    "webpack-dev-server": "^5.0.3",
     "why-did-you-update": "^0.1.1"
   },
   "peerDependencies": {

types/react-dropdown-tree-select.d.ts

@@ -103,6 +103,9 @@ declare module 'react-dropdown-tree-select' {
      * search bar, the tree will not deselect nodes.
      */
     disablePoppingOnBackspace?: boolean
+    /** `tabIndex=0` attribute indicates that its element can be focused, and where it participates in sequential keyboard navigation.
+     */
+    tabIndex?: number
   }
 
   export interface DropdownTreeSelectState {