import {resolve} from 'path'

import {defineConfig} from 'vite'

import dts from 'vite-plugin-dts'

// https://vitejs.dev/guide/build.html#library-mode

export default defineConfig({

build: {

lib: {

entry: ['index.ts', 'main.ts'].map(filename =>

resolve(__dirname, `src/${filename}`)

),

fileName: (format, entryName) =>

`${entryName}.${format === 'cjs' || format === 'commonjs' ? 'c' : ''}${

format === 'es' || format === 'esm' ? 'm' : ''

}js`,

formats: ['es', 'cjs']

},

sourcemap: true,

rollupOptions: {

external: [

'assert',

'buffer',

'child_process',

'crypto',

'events',

'fs',

'fs/promises',

'http',

'https',

'net',

'os',

'path',

'perf_hooks',

'string_decoder',

'stream',

'timers',

'tls',

'url',

'util',

'worker_threads',

'zlib',

'node:buffer',

'node:fs',

'node:http',

'node:https',

'node:net',

'node:path',

'node:process',

'node:stream',

'node:stream/web',

'node:url',

'node:util',

'node:zlib'

]

}

},

esbuild: {

format: 'esm',

target: 'esnext',

define: {self: 'globalThis'}

},

plugins: [dts()]

})