vite.config.ts

/**
 * BSD 3-Clause License
 *
 * Copyright © 2023, Daniel Jonathan <daniel at cosmicmind dot com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/* eslint-disable camelcase */

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

import {
  PluginOption,
  LibraryFormats,
  ConfigEnv,
  defineConfig,
  UserConfigExport,
} from 'vite'

import dts from 'vite-plugin-dts'

export default ({ mode }: ConfigEnv): UserConfigExport => {
  const name = process.env.npm_package_name
  const srcDir = 'src'
  const entry = `${srcDir}/index.ts`
  const fileName = 'lib-[format]'
  const formats: LibraryFormats[] = [ 'es', 'cjs' ]
  const emptyOutDir = true
  const minify = 'production' === mode ? 'terser' : false

  const alias = {
    '@': fileURLToPath(new URL(srcDir, import.meta.url)),
  }

  const external = [
    '@cosmicmind/foundationjs'
  ]

  const plugins = [
    dts()
  ] as PluginOption[]

  return defineConfig({
    resolve: {
      alias,
    },
    esbuild: {
      minifyIdentifiers: true,
      keepNames: true,
    },
    plugins,
    build: {
      minify,
      emptyOutDir,
      lib: {
        name,
        entry,
        formats,
        fileName,
      },
      rollupOptions: {
        external,
      },
    },
  })
}