@vant/cli/lib/config/vite.package.js

Vant CLI is a tool for building vue component library. You can quickly build a full-featured Vue component library with vant-cli.

import { join } from 'node:path';
import { setBuildTarget } from '../common/index.js';
import { CWD, ES_DIR, getVantConfig, LIB_DIR } from '../common/constant.js';
export function getViteConfigForPackage({ minify, formats, external = [], }) {
    var _a;
    setBuildTarget('package');
    const { name, build } = getVantConfig();
    const entryExtension = ((_a = build === null || build === void 0 ? void 0 : build.extensions) === null || _a === void 0 ? void 0 : _a.esm) || '.js';
    const entry = join(ES_DIR, `index${entryExtension}`);
    const shouldReplaceEnv = minify || (formats === null || formats === void 0 ? void 0 : formats.includes('umd'));
    return {
        root: CWD,
        logLevel: 'silent',
        define: shouldReplaceEnv
            ? {
                'process.env.NODE_ENV': JSON.stringify(process.env.NODE_ENV),
            }
            : undefined,
        build: {
            emptyOutDir: false,
            lib: {
                name,
                entry,
                formats,
                fileName: (format) => {
                    const suffix = format === 'umd' ? '' : `.${format}`;
                    return minify ? `${name}${suffix}.min.js` : `${name}${suffix}.js`;
                },
            },
            // terser has better compression than esbuild
            minify: minify ? 'terser' : false,
            rollupOptions: {
                external: [...external, 'vue'],
                output: {
                    dir: LIB_DIR,
                    exports: 'named',
                    globals: {
                        vue: 'Vue',
                    },
                },
            },
        },
    };
}