chore(deps): update dependency kkt to v7.

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

Author: jaywcjlove

.kktrc.ts

@@ -11,16 +11,48 @@ export default (conf: Configuration, env: 'production' | 'development', options:
   conf = rawModules(conf, env, { ...options });
   conf = scopePluginOptions(conf, env, {
     ...options,
-    allowedFiles: [
-      path.resolve(process.cwd(), 'README.md')
-    ]
+    allowedFiles: [path.resolve(process.cwd(), 'README.md')],
   });
   // Get the project version.
-  conf.plugins!.push(new webpack.DefinePlugin({
-    VERSION: JSON.stringify(pkg.version),
-  }));
+  conf.plugins!.push(
+    new webpack.DefinePlugin({
+      VERSION: JSON.stringify(pkg.version),
+    }),
+  );
   if (env === 'production') {
-    conf.output = { ...conf.output, publicPath: './' }
+    conf.output = { ...conf.output, publicPath: './' };
+    conf.optimization = {
+      ...conf.optimization,
+      splitChunks: {
+        cacheGroups: {
+          reactvendor: {
+            test: /[\\/]node_modules[\\/](react|react-dom)[\\/]/,
+            name: 'react-vendor',
+            chunks: 'all',
+          },
+          prismjs: {
+            test: /[\\/]node_modules[\\/](refractor)[\\/]/,
+            name: 'refractor-vendor',
+            chunks: 'all',
+          },
+          uiw: {
+            test: /[\\/]node_modules[\\/](@uiw)[\\/]/,
+            name: 'uiw-vendor',
+            chunks: 'all',
+          },
+          codemirror: {
+            test: /[\\/]node_modules[\\/](codemirror)[\\/]/,
+            name: 'codemirror-vendor',
+            chunks: 'all',
+          },
+          parse5: {
+            test: /[\\/]node_modules[\\/](parse5)[\\/]/,
+            name: 'parse5-vendor',
+            chunks: 'all',
+          },
+        },
+      },
+    };
   }
   return conf;
-}
+};

package.json

@@ -45,17 +45,17 @@
     "codemirror": "5.64.0"
   },
   "devDependencies": {
-    "@kkt/less-modules": "6.11.0",
-    "@kkt/raw-modules": "6.11.0",
-    "@kkt/scope-plugin-options": "6.11.0",
+    "@kkt/less-modules": "7.0.5",
+    "@kkt/raw-modules": "7.0.5",
+    "@kkt/scope-plugin-options": "7.0.5",
     "@types/codemirror": "5.60.5",
     "@types/jest": "27.0.3",
     "@types/react": "17.0.37",
     "@types/react-dom": "17.0.11",
     "@uiw/react-github-corners": "1.5.3",
     "@uiw/reset.css": "1.0.5",
     "compile-less-cli": "1.8.9",
-    "kkt": "6.11.0",
+    "kkt": "7.0.5",
     "prettier": "2.5.0",
     "pretty-quick": "3.1.2",
     "react": "17.0.2",