vite.config.ts

import { defineConfig } from 'vite';
import { resolve } from 'path';
import typescript from '@rollup/plugin-typescript';
import { typescriptPaths } from 'rollup-plugin-typescript-paths';
import { readFileSync } from 'fs';

const pkg = JSON.parse(readFileSync(new URL('./package.json', import.meta.url)).toString());

export default defineConfig({
    build: {
        minify: false,
        manifest: true,
        reportCompressedSize: true,
        lib: {
            entry: resolve(__dirname, 'src/index.ts'),
            fileName: 'index',
            formats: ['es', 'cjs'],
        },
        rollupOptions: {
            external: ['vite', 'rollup', ...Object.keys(pkg.dependencies)],
            plugins: [
                typescriptPaths({
                    preserveExtensions: true,
                }),
                typescript({
                    sourceMap: false,
                    declaration: true,
                    outDir: 'dist',
                    exclude: ['./src/**/*.test.ts'],
                }),
            ],
        },
    },
});