chore(deps): update dependency kkt to v7.

Upgrade react-scripts to v5, Support Webpack 5
kktjs/kkt#198

.kktrc.ts

@@ -1,7 +1,6 @@
 import path from 'path';
 import webpack, { Configuration } from 'webpack';
 import { LoaderConfOptions } from 'kkt';
-import WebpackDevServer from 'webpack-dev-server';
 import lessModules from '@kkt/less-modules';
 import rawModules from '@kkt/raw-modules';
 import scopePluginOptions from '@kkt/scope-plugin-options';
@@ -20,14 +19,35 @@ export default (conf: Configuration, env: 'development' | 'production', options:
       VERSION: JSON.stringify(pkg.version),
     }),
   );
-  conf.output = { ...conf.output, publicPath: './' };
+  if (env === 'production') {
+    conf.output = { ...conf.output, publicPath: './' };
+    conf.optimization = {
+      ...conf.optimization,
+      splitChunks: {
+        cacheGroups: {
+          reactvendor: {
+            test: /[\\/]node_modules[\\/](react|react-dom)[\\/]/,
+            name: 'react-vendor',
+            chunks: 'all',
+          },
+          refractor: {
+            test: /[\\/]node_modules[\\/](refractor)[\\/]/,
+            name: 'refractor-prismjs-vendor',
+            chunks: 'all',
+          },
+          runtime: {
+            test: /[\\/]node_modules[\\/](@babel)[\\/]/,
+            name: 'babel-vendor',
+            chunks: 'all',
+          },
+          parse5: {
+            test: /[\\/]node_modules[\\/](parse5)[\\/]/,
+            name: 'parse5-vendor',
+            chunks: 'all',
+          },
+        }
+      }
+    }
+  }
   return conf;
 };
-
-/**
- * Modify WebpackDevServer Configuration Example
- */
-export const devServer = (config: WebpackDevServer.Configuration) => {
-  // Return your customised Webpack Development Server config.
-  return config;
-};

package.json

@@ -36,22 +36,22 @@
     "react-dom": ">=16.9.0"
   },
   "devDependencies": {
-    "@kkt/less-modules": "6.11.0",
-    "@kkt/raw-modules": "6.11.0",
-    "@kkt/scope-plugin-options": "6.11.0",
-    "@types/react": "17.0.20",
-    "@types/react-dom": "17.0.9",
+    "@kkt/less-modules": "7.0.5",
+    "@kkt/raw-modules": "7.0.5",
+    "@kkt/scope-plugin-options": "7.0.5",
+    "@types/react": "17.0.38",
+    "@types/react-dom": "17.0.11",
     "@types/react-test-renderer": "17.0.1",
     "@uiw/react-github-corners": "1.5.3",
-    "@uiw/react-markdown-preview": "3.3.2",
-    "husky": "7.0.2",
-    "kkt": "6.11.0",
-    "lint-staged": "11.1.2",
-    "prettier": "2.4.0",
+    "@uiw/react-markdown-preview": "3.4.7",
+    "husky": "7.0.4",
+    "kkt": "7.0.5",
+    "lint-staged": "12.1.7",
+    "prettier": "2.5.1",
     "react": "17.0.2",
     "react-dom": "17.0.2",
     "react-test-renderer": "17.0.2",
-    "tsbb": "3.1.5"
+    "tsbb": "3.5.4"
   },
   "eslintConfig": {
     "extends": [