optimize build tool chain.

rspack.config.ts

@@ -0,0 +1,70 @@
+import { defineConfig } from '@rspack/cli';
+import { rspack } from '@rspack/core';
+
+import KintonePlugin from '@kintone/webpack-plugin-kintone-plugin';
+
+const isDev = process.env.NODE_ENV === 'development';
+
+// Target browsers, see: https://github.com/browserslist/browserslist
+const targets = ['last 2 versions', '> 0.2%', 'not dead', 'Firefox ESR'];
+
+export default defineConfig({
+  mode: isDev ? 'development' : 'production',
+  devtool: isDev ? 'inline-cheap-module-source-map' : false,
+  entry: { config: './src/config/index.tsx', desktop: './src/desktop/index.tsx' },
+  output: {
+    path: './plugin/js',
+    filename: '[name].js',
+  },
+  resolve: {
+    extensions: ['...', '.ts', '.tsx', '.jsx'],
+  },
+  module: {
+    rules: [
+      {
+        test: /\.(jsx?|tsx?)$/,
+        use: [
+          {
+            loader: 'builtin:swc-loader',
+            options: {
+              jsc: {
+                parser: {
+                  syntax: 'typescript',
+                  tsx: true,
+                },
+              },
+              env: { targets },
+            },
+          },
+        ],
+      },
+    ],
+    parser: {
+      'css/auto': {
+        namedExports: false,
+      },
+    },
+  },
+  plugins: [
+    new KintonePlugin({
+      manifestJSONPath: './plugin/manifest.json',
+      privateKeyPath: './private.ppk',
+      pluginZipPath: './dist/plugin.zip',
+    }),
+  ],
+  optimization: {
+    minimizer: [
+      new rspack.SwcJsMinimizerRspackPlugin(),
+      new rspack.LightningCssMinimizerRspackPlugin({
+        minimizerOptions: { targets },
+      }),
+    ],
+  },
+  experiments: {
+    css: true,
+  },
+  performance: {
+    maxEntrypointSize: 1024000,
+    maxAssetSize: 1024000,
+  },
+});