admin-vben5/internal/vite-config/src/config/library.ts

import type { UserConfig } from 'vite';

import type { DefineLibraryOptions } from '../typing';

import { readPackageJSON } from '@vben/node-utils';

import { defineConfig, mergeConfig } from 'vite';

import { getLibraryConditionPlugins } from '../plugins';
import { getCommonConfig } from './common';

function defineLibraryConfig(options: DefineLibraryOptions = {}) {
  return defineConfig(async (config) => {
    const { command, mode } = config;
    const root = process.cwd();
    const { library = {}, vite = {} } = options;
    const isBuild = command === 'build';

    const plugins = await getLibraryConditionPlugins({
      dts: false,
      injectLibCss: true,
      injectMetadata: true,
      isBuild,
      mode,
      ...(typeof library === 'function' ? library(config) : library),
    });

    const { dependencies = {}, peerDependencies = {} } =
      await readPackageJSON(root);

    const externalPackages = [
      ...Object.keys(dependencies),
      ...Object.keys(peerDependencies),
    ];

    const packageConfig: UserConfig = {
      build: {
        lib: {
          entry: 'src/index.ts',
          fileName: () => 'index.mjs',
          formats: ['es'],
        },
        rollupOptions: {
          external: (id) => {
            return externalPackages.some(
              (pkg) => id === pkg || id.startsWith(`${pkg}/`),
            );
          },
        },
      },
      plugins,
    };
    const commonConfig = await getCommonConfig();
    const mergedConfig = mergeConfig(commonConfig, packageConfig);
    return mergeConfig(
      mergedConfig,
      typeof vite === 'function' ? vite(config) : vite,
    );
  });
}

export { defineLibraryConfig };