重构项目结构：整理gitignore，移动source目录到根目录，统一依赖管理

scripts/build-rollup.js

@@ -0,0 +1,142 @@
+const fs = require('fs');
+const path = require('path');
+const { execSync } = require('child_process');
+
+console.log('🚀 使用 Rollup 构建npm包...');
+
+async function main() {
+    try {
+        // 清理旧的dist目录
+        if (fs.existsSync('./dist')) {
+            console.log('🧹 清理旧的构建文件...');
+            execSync('rimraf ./dist', { stdio: 'inherit' });
+        }
+
+        // 执行Rollup构建
+        console.log('📦 执行 Rollup 构建...');
+        execSync('rollup -c', { stdio: 'inherit' });
+
+        // 生成package.json
+        console.log('📋 生成 package.json...');
+        generatePackageJson();
+
+        // 复制其他文件
+        console.log('📁 复制必要文件...');
+        copyFiles();
+
+        // 输出构建结果
+        showBuildResults();
+
+        console.log('✅ 构建完成！');
+        console.log('\n🚀 发布命令:');
+        console.log('cd dist && npm publish');
+
+    } catch (error) {
+        console.error('❌ 构建失败:', error.message);
+        process.exit(1);
+    }
+}
+
+function generatePackageJson() {
+    const sourcePackage = JSON.parse(fs.readFileSync('./package.json', 'utf8'));
+    
+    const distPackage = {
+        name: sourcePackage.name,
+        version: sourcePackage.version,
+        description: sourcePackage.description,
+        main: 'index.js',
+        module: 'index.js',
+        types: 'index.d.ts',
+        type: 'module',
+        exports: {
+            '.': {
+                import: './index.js',
+                types: './index.d.ts'
+            }
+        },
+        files: [
+            'index.js',
+            'index.js.map',
+            'index.umd.js',
+            'index.umd.js.map',
+            'index.d.ts',
+            'wasm',
+            'README.md',
+            'LICENSE'
+        ],
+        keywords: [
+            'ecs',
+            'entity-component-system',
+            'game-engine',
+            'typescript',
+            'cocos-creator',
+            'laya',
+            'rollup'
+        ],
+        author: sourcePackage.author,
+        license: sourcePackage.license,
+        repository: sourcePackage.repository,
+        bugs: sourcePackage.bugs,
+        homepage: sourcePackage.homepage,
+        engines: {
+            node: '>=16.0.0'
+        },
+        sideEffects: false
+    };
+
+    fs.writeFileSync('./dist/package.json', JSON.stringify(distPackage, null, 2));
+}
+
+function copyFiles() {
+    const filesToCopy = [
+        { src: '../README.md', dest: './dist/README.md' },
+        { src: '../LICENSE', dest: './dist/LICENSE' }
+    ];
+
+    filesToCopy.forEach(({ src, dest }) => {
+        if (fs.existsSync(src)) {
+            fs.copyFileSync(src, dest);
+            console.log(`  ✓ 复制: ${path.basename(dest)}`);
+        }
+    });
+
+    // 复制WASM文件（过滤.gitignore）
+    const wasmDir = './bin/wasm';
+    if (fs.existsSync(wasmDir)) {
+        const distWasmDir = './dist/wasm';
+        if (!fs.existsSync(distWasmDir)) {
+            fs.mkdirSync(distWasmDir);
+        }
+        
+        let copiedCount = 0;
+        fs.readdirSync(wasmDir).forEach(file => {
+            // 过滤掉.gitignore文件
+            if (file !== '.gitignore') {
+                fs.copyFileSync(
+                    path.join(wasmDir, file),
+                    path.join(distWasmDir, file)
+                );
+                copiedCount++;
+            }
+        });
+        if (copiedCount > 0) {
+            console.log(`  ✓ 复制: ${copiedCount}个WASM文件`);
+        }
+    }
+}
+
+function showBuildResults() {
+    const distDir = './dist';
+    const files = ['index.js', 'index.umd.js', 'index.d.ts'];
+    
+    console.log('\n📊 构建结果:');
+    files.forEach(file => {
+        const filePath = path.join(distDir, file);
+        if (fs.existsSync(filePath)) {
+            const size = fs.statSync(filePath).size;
+            console.log(`  ${file}: ${(size / 1024).toFixed(1)}KB`);
+        }
+    });
+}
+
+main().catch(console.error);