import { fileURLToPath, URL } from 'node:url'

import vue from '@vitejs/plugin-vue'
import { defineConfig } from 'vite'

const peerDependencies = ['vue', 'd3', 'vue3-colorpicker']

export default defineConfig({
  plugins: [vue()],
  resolve: {
    alias: {
      '@': fileURLToPath(new URL('./src', import.meta.url)),
    },
  },
  build: {
    outDir: 'dist',
    emptyOutDir: true,
    lib: {
      entry: fileURLToPath(new URL('./src/index.ts', import.meta.url)),
      name: 'WaveformAnalysis',
      formats: ['es', 'cjs'],
      fileName: (format) => (format === 'es' ? 'index.js' : 'index.cjs'),
      cssFileName: 'style',
    },
    rolldownOptions: {
      external: (id) =>
        peerDependencies.some((dependency) => id === dependency || id.startsWith(`${dependency}/`)),
    },
  },
})