add source code

vite.config.ts

@@ -1,6 +1,54 @@
-/// <reference types="vitest" />
-/// <reference types="vite/client" />
-
+import path from 'path';
 import { defineConfig } from 'vite';
+import dts from 'vite-plugin-dts';
 
-export default defineConfig({});
+export default defineConfig(({ mode }) => {
+  const libRoot = 'src';
+  const appRoot = 'src/app-public';
+
+  return {
+    root: mode === 'production' ? '' : appRoot,
+    build: {
+      lib: {
+        name: 'ksef-fe-invoice-converter',
+        entry: path.resolve(__dirname, libRoot, 'index.ts'),
+        outDir: path.resolve(__dirname, 'dist'),
+        emptyOutDir: true,
+        formats: ['es', 'umd'],
+        rollupOptions: {
+          external: [/\.spec\.ts$/, /\.test\.ts$/, 'src/app-private', 'src/app-public'],
+        },
+      },
+    },
+
+    test: {
+      root: __dirname,
+      globals: true,
+      environment: 'jsdom',
+      include: ['src/**/*.spec.{ts,tsx}', 'src/**/*.test.{ts,tsx}'],
+      exclude: [
+        'node_modules',
+        'dist',
+        'cypress',
+        '**/{karma,rollup,webpack,vite,vitest,jest,ava,babel,nyc,cypress,tsup,build,eslint,prettier}.config.*',
+      ],
+      coverage: {
+        provider: 'v8',
+        reporter: ['text-summary', 'lcov', 'html'],
+      },
+    },
+
+    plugins: [
+      dts({
+        entryRoot: libRoot,
+        insertTypesEntry: true,
+        outDir: path.resolve(__dirname, 'dist'),
+        exclude: ['src/app-public'],
+      }),
+    ],
+
+    server: {
+      port: 5173,
+    },
+  };
+});