fes.js/packages/preset-built-in/tsup.config.ts

import { copyFileSync, mkdirSync, readdirSync } from 'node:fs';
import { dirname, join } from 'node:path';
import { defineConfig } from 'tsup';

function copyTplFiles(srcDir: string, dstDir: string) {
    function walk(currentSrc: string, currentDst: string) {
        readdirSync(currentSrc, { withFileTypes: true }).forEach((dirent) => {
            const srcPath = join(currentSrc, dirent.name);
            const dstPath = join(currentDst, dirent.name);

            if (dirent.isDirectory()) {
                walk(srcPath, dstPath);
            }
            else if (dirent.isFile() && dirent.name.endsWith('.tpl')) {
                mkdirSync(dirname(dstPath), { recursive: true });
                copyFileSync(srcPath, dstPath);
                console.log(`Copied: ${srcPath} -> ${dstPath}`);
            }
        });
    }
    walk(srcDir, dstDir);
}
export default defineConfig({
    entry: [
        'src/index.ts',
        'src/plugins/registerMethods.ts',
        'src/plugins/registerType.ts',
        'src/plugins/core/plugin/index.ts',
        'src/plugins/core/exports/coreExports.ts',
        'src/plugins/core/exports/pluginExports.ts',
        'src/plugins/core/entry/index.ts',
        'src/plugins/core/route/index.ts',
        'src/plugins/features/alias.ts',
        'src/plugins/features/autoprefixer.ts',
        'src/plugins/features/define.ts',
        'src/plugins/features/console.ts',
        'src/plugins/features/dynamicImport.ts',
        'src/plugins/features/globalCSS.ts',
        'src/plugins/features/inlineLimit.ts',
        'src/plugins/features/mountElementId.ts',
        'src/plugins/features/mock.ts',
        'src/plugins/features/outputPath.ts',
        'src/plugins/features/plugins.ts',
        'src/plugins/features/presets.ts',
        'src/plugins/features/proxy.ts',
        'src/plugins/features/publicPath.ts',
        'src/plugins/features/singular.ts',
        'src/plugins/features/targets.ts',
        'src/plugins/features/terserOptions.ts',
        'src/plugins/features/title.ts',
        'src/plugins/commands/help/index.ts',
        'src/plugins/commands/info/index.ts',
    ],
    splitting: false,
    sourcemap: false,
    clean: true,
    dts: false,
    shims: true,
    format: ['esm'],
    outExtension: () => ({ js: '.mjs' }),
    onSuccess: () => {
        copyTplFiles('src', 'dist');
    },
});