fix(scripts): final review Critical+Important fixes (Widget alignment, full readLayerXml, Label _string, atlas selection, hard-coded paths, exit code, dead code removal)

cocoscreator_projects/scripts/legacy-layer-to-cocos-prefab-cli.mjs

@@ -1,28 +1,47 @@
 #!/usr/bin/env node
 // CLI 入口: Layer XML → Cocos prefab JSON (+ 对比 diff, 如提供 YouleNexus 现存 prefab).
 //
-// 用法: node legacy-layer-to-cocos-prefab-cli.mjs <input.xml> [<youle-prefab>] <output-dir>
+// 用法: node legacy-layer-to-cocos-prefab-cli.mjs <input.xml> [<youle-prefab>] <output-dir> [--target-name <name>]
 //
-// 设计要点 (Task 9 brief):
-//   - 只输出到隔离目录 (out/legacy-migration/), 不直接覆盖 YouleNexus 现有 prefab.
-//   - 必填参数: inputXml + outputDir; youlePrefab 可选, 提供且文件存在时生成 .diff.
-//   - diff 命令来自 Git Bash / POSIX 环境 (Windows: Git for Windows 自带 diff).
-import { readLayerXml, emitPrefabJson } from './legacy-layer-to-cocos-prefab.mjs';
+// 设计要点:
+//   - 只输出到隔离目录 (out/legacy-migration/), 不直接覆盖 YouleNexus 原 prefab.
+//   - targetName 只影响输出的 prefab/root 名称与 atlas 选择; 默认使用 XML layerName.
+import { readLayerXml, emitPrefabJson, selectAtlasForLayerName } from './legacy-layer-to-cocos-prefab.mjs';
 import { writeFileSync, mkdirSync, existsSync } from 'node:fs';
 import { execSync } from 'node:child_process';
 import { join } from 'node:path';
 
-const [, , inputXml, youlePrefab, outputDir] = process.argv;
+const args = process.argv.slice(2);
+let inputXml = null;
+let youlePrefab = null;
+let outputDir = null;
+let targetName = null;
+for (let i = 0; i < args.length; i += 1) {
+  const arg = args[i];
+  if (arg === '--target-name') {
+    targetName = args[++i];
+    if (!targetName) throw new Error('--target-name requires a value');
+    continue;
+  }
+  if (!inputXml) inputXml = arg;
+  else if (!youlePrefab) youlePrefab = arg;
+  else if (!outputDir) outputDir = arg;
+  else throw new Error(`Unexpected argument: ${arg}`);
+}
 if (!inputXml || !outputDir) {
-  console.error('Usage: node legacy-layer-to-cocos-prefab-cli.mjs <input.xml> <youle-prefab-path?> <output-dir>');
+  console.error('Usage: node legacy-layer-to-cocos-prefab-cli.mjs <input.xml> <youle-prefab-path?> <output-dir> [--target-name <name>]');
   process.exit(1);
 }
 
 const layer = readLayerXml(inputXml);
-const prefabJson = emitPrefabJson(layer);
+const outputName = targetName || layer.layerName;
+const prefabJson = emitPrefabJson(layer, {
+  targetName: outputName,
+  atlasName: selectAtlasForLayerName(outputName),
+});
 
 if (!existsSync(outputDir)) mkdirSync(outputDir, { recursive: true });
-const outputPath = join(outputDir, `${layer.layerName}.prefab`);
+const outputPath = join(outputDir, `${outputName}.prefab`);
 writeFileSync(outputPath, JSON.stringify(prefabJson, null, 2));
 console.log(`Generated: ${outputPath}`);
 
@@ -32,4 +51,4 @@ if (youlePrefab && existsSync(youlePrefab)) {
   const diff = execSync(`diff -u "${youlePrefab}" "${outputPath}" || true`, { encoding: 'utf8' });
   writeFileSync(diffPath, diff);
   console.log(`Diff: ${diffPath} (${diff.split('\n').length} lines)`);
-}
+}