279 lines
7.6 KiB
JavaScript
279 lines
7.6 KiB
JavaScript
#!/usr/bin/env node
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const esbuild = require('esbuild');
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const fs = require('fs');
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const path = require('path');
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/**
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* ECS Framework 单文件构建脚本
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* 专门用于npm包发布的单文件版本
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*/
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const config = {
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// 输入配置
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entryPoint: './bin/index.js',
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// 输出配置
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outputDir: './dist',
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outputFile: 'index.js',
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// 压缩配置
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minify: true,
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sourcemap: true,
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// 目标环境 - 适配更多平台
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target: ['es2017'],
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format: 'esm',
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// npm包配置
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generatePackageJson: true,
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generateTypes: true
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};
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async function buildSingleFile() {
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console.log('🚀 构建单文件npm包...');
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try {
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// 确保输出目录存在
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if (!fs.existsSync(config.outputDir)) {
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fs.mkdirSync(config.outputDir, { recursive: true });
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}
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// 第一步：使用esbuild打包
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console.log('📦 使用 esbuild 打包...');
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const result = await esbuild.build({
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entryPoints: [config.entryPoint],
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bundle: true,
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minify: config.minify,
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sourcemap: config.sourcemap,
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target: config.target,
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format: config.format,
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outfile: path.join(config.outputDir, config.outputFile),
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platform: 'neutral', // 支持多平台
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// 外部依赖
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external: [],
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// 定义全局变量
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define: {
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'process.env.NODE_ENV': '"production"'
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},
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// 元信息
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metafile: true,
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// 日志级别
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logLevel: 'info',
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// 保持类名（便于调试）
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keepNames: true,
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// 生成更兼容的代码
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legalComments: 'none'
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});
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// 显示打包结果
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if (result.metafile) {
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const analysis = await esbuild.analyzeMetafile(result.metafile);
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console.log('📊 打包分析：');
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console.log(analysis);
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}
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// 第二步：生成类型定义文件
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if (config.generateTypes) {
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console.log('📝 生成类型定义文件...');
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await generateTypeDefinitions();
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}
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// 第三步：生成package.json
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if (config.generatePackageJson) {
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console.log('📋 生成package.json...');
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await generatePackageJson();
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}
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// 第四步：复制必要文件
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await copyEssentialFiles();
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console.log('✅ 单文件构建完成！');
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console.log(`📄 主文件: ${path.join(config.outputDir, config.outputFile)}`);
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// 显示文件大小
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const stats = fs.statSync(path.join(config.outputDir, config.outputFile));
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console.log(`📏 文件大小: ${(stats.size / 1024).toFixed(2)} KB`);
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console.log('\n🚀 发布到npm:');
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console.log('cd dist && npm publish');
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} catch (error) {
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console.error('❌ 构建失败:', error);
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process.exit(1);
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}
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}
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/**
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* 生成类型定义文件
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*/
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async function generateTypeDefinitions() {
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const sourceTypesFile = './bin/index.d.ts';
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const targetTypesFile = path.join(config.outputDir, 'index.d.ts');
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if (fs.existsSync(sourceTypesFile)) {
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// 读取原始类型定义
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let typesContent = fs.readFileSync(sourceTypesFile, 'utf8');
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// 处理相对路径导入，将其转换为绝对导入
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typesContent = typesContent.replace(/from ['"]\.\//g, "from './");
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typesContent = typesContent.replace(/from ['"]\.\.\//g, "from './");
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// 添加版本信息注释
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const header = `/**
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* @esengine/ecs-framework
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* 高性能ECS框架 - 适用于Cocos Creator和Laya引擎
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* 版本: ${require('../package.json').version}
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* 构建时间: ${new Date().toISOString()}
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*/
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`;
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fs.writeFileSync(targetTypesFile, header + typesContent);
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console.log(` ✓ 生成: ${targetTypesFile}`);
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}
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}
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/**
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* 生成npm包的package.json
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*/
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async function generatePackageJson() {
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const sourcePackage = require('../package.json');
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// 创建完全干净的package.json，只包含发布必需的字段
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const distPackage = {};
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// 按顺序添加字段，确保没有任何开发相关字段
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distPackage.name = sourcePackage.name;
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distPackage.version = sourcePackage.version;
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distPackage.description = sourcePackage.description;
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distPackage.main = 'index.js';
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distPackage.types = 'index.d.ts';
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distPackage.module = 'index.js';
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distPackage.type = 'module';
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// 导出配置
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distPackage.exports = {
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".": {
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"import": "./index.js",
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"types": "./index.d.ts"
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}
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};
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// 文件配置
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distPackage.files = [
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'index.js',
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'index.js.map',
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'index.d.ts',
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'wasm/**/*',
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'README.md',
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'LICENSE'
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];
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// 关键词
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distPackage.keywords = [
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...sourcePackage.keywords,
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'single-file',
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'bundled',
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'minified'
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];
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// 元信息
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distPackage.author = sourcePackage.author;
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distPackage.license = sourcePackage.license;
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// Repository信息
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distPackage.repository = {
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type: 'git',
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url: 'git+https://github.com/esengine/ecs-framework.git'
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};
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// 发布配置
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distPackage.publishConfig = {
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access: 'public'
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};
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// 引擎兼容性
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distPackage.engines = {
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node: '>=16.0.0'
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};
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const packagePath = path.join(config.outputDir, 'package.json');
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fs.writeFileSync(packagePath, JSON.stringify(distPackage, null, 2));
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console.log(` ✓ 生成: ${packagePath}`);
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}
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/**
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* 复制必要文件
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*/
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async function copyEssentialFiles() {
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console.log('📁 复制必要文件...');
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const filesToCopy = [
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{ src: '../README.md', dest: 'README.md' },
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{ src: '../LICENSE', dest: 'LICENSE', optional: true }
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];
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for (const file of filesToCopy) {
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const srcPath = path.resolve(file.src);
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const destPath = path.join(config.outputDir, file.dest);
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if (fs.existsSync(srcPath)) {
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fs.copyFileSync(srcPath, destPath);
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console.log(` ✓ 复制: ${file.dest}`);
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} else if (!file.optional) {
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console.warn(` ⚠️ 文件不存在: ${srcPath}`);
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}
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}
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// 复制WASM文件
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await copyWasmFiles();
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}
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/**
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* 复制WASM文件
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*/
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async function copyWasmFiles() {
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const wasmSrcDir = './bin/wasm';
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const wasmDestDir = path.join(config.outputDir, 'wasm');
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if (fs.existsSync(wasmSrcDir)) {
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console.log('📦 复制WASM文件...');
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// 创建目标目录
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if (!fs.existsSync(wasmDestDir)) {
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fs.mkdirSync(wasmDestDir, { recursive: true });
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}
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// 复制所有WASM相关文件
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const wasmFiles = fs.readdirSync(wasmSrcDir);
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for (const file of wasmFiles) {
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// 排除.gitignore文件
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if (file === '.gitignore') continue;
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const srcPath = path.join(wasmSrcDir, file);
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const destPath = path.join(wasmDestDir, file);
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if (fs.statSync(srcPath).isFile()) {
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fs.copyFileSync(srcPath, destPath);
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console.log(` ✓ 复制WASM: ${file}`);
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}
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}
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} else {
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console.warn(' ⚠️ WASM目录不存在: ' + wasmSrcDir);
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}
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}
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// 运行构建
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if (require.main === module) {
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buildSingleFile();
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}
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module.exports = { buildSingleFile, config };
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