feat(tools): paths.mjs 路径解析与工程发现

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

cocoscreator_projects/scripts/lib/paths.mjs

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+import { fileURLToPath } from 'node:url';
+import { dirname, join, resolve } from 'node:path';
+import { readFileSync, readdirSync, existsSync } from 'node:fs';
+
+// 本文件位于 <monorepo>/scripts/lib/paths.mjs → 上溯两级为 monorepo 根
+export const ROOT = resolve(dirname(fileURLToPath(import.meta.url)), '..', '..');
+export const HOST_PROJECT = join(ROOT, 'YouleNexus');
+export const FRAMEWORK_SRC = join(HOST_PROJECT, 'assets', 'framework');
+export const GAMES_DIR = join(ROOT, 'games');
+export const SEED_DIR = join(ROOT, 'templates', 'game-seed');
+
+export function readCreatorVersion(projectDir) {
+  try {
+    const pkg = JSON.parse(readFileSync(join(projectDir, 'package.json'), 'utf8'));
+    return pkg?.creator?.version ?? null;
+  } catch {
+    return null;
+  }
+}
+
+export function listGameProjects(gamesDir = GAMES_DIR) {
+  if (!existsSync(gamesDir)) return [];
+  return readdirSync(gamesDir, { withFileTypes: true })
+    .filter((d) => d.isDirectory())
+    .map((d) => join(gamesDir, d.name))
+    .filter((dir) => existsSync(join(dir, 'package.json')));
+}

cocoscreator_projects/scripts/test/helpers.mjs

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+import { mkdtempSync, mkdirSync, writeFileSync, rmSync } from 'node:fs';
+import { tmpdir } from 'node:os';
+import { join } from 'node:path';
+
+// 构造一个临时 monorepo：YouleNexus(host) + framework 真源 + 空 games/
+export function makeTempMonorepo() {
+  const root = mkdtempSync(join(tmpdir(), 'youle-mono-'));
+  const host = join(root, 'YouleNexus');
+  const framework = join(host, 'assets', 'framework');
+  mkdirSync(framework, { recursive: true });
+  writeFileSync(
+    join(host, 'package.json'),
+    JSON.stringify({ name: 'YouleNexus', uuid: 'host-uuid', creator: { version: '3.8.8' } }, null, 2)
+  );
+  writeFileSync(join(framework, 'README.md'), '# framework src\n');
+  const games = join(root, 'games');
+  mkdirSync(games, { recursive: true });
+  return { root, host, framework, games };
+}
+
+// 在 gamesDir 下造一个子游戏工程（含 package.json）
+export function makeGameProject(gamesDir, name, version = '3.8.8') {
+  const dir = join(gamesDir, name);
+  mkdirSync(join(dir, 'assets'), { recursive: true });
+  writeFileSync(
+    join(dir, 'package.json'),
+    JSON.stringify({ name, uuid: `${name}-uuid`, creator: { version } }, null, 2)
+  );
+  return dir;
+}
+
+// 造一个最小种子工程
+export function makeSeed(root) {
+  const seed = join(root, 'templates', 'game-seed');
+  mkdirSync(join(seed, 'assets'), { recursive: true });
+  mkdirSync(join(seed, 'settings'), { recursive: true });
+  writeFileSync(
+    join(seed, 'package.json'),
+    JSON.stringify({ name: 'game-seed', uuid: 'seed-uuid', creator: { version: '3.8.8' } }, null, 2)
+  );
+  writeFileSync(join(seed, 'settings', 'v2.json'), '{}\n');
+  return seed;
+}
+
+export function cleanup(root) {
+  rmSync(root, { recursive: true, force: true });
+}

cocoscreator_projects/scripts/test/paths.test.mjs

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+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import { join } from 'node:path';
+import { writeFileSync, mkdirSync } from 'node:fs';
+import { makeTempMonorepo, makeGameProject, cleanup } from './helpers.mjs';
+import { readCreatorVersion, listGameProjects } from '../lib/paths.mjs';
+
+test('readCreatorVersion 读取 package.json 的 creator.version', () => {
+  const mono = makeTempMonorepo();
+  try {
+    assert.equal(readCreatorVersion(mono.host), '3.8.8');
+  } finally {
+    cleanup(mono.root);
+  }
+});
+
+test('readCreatorVersion 缺字段返回 null', () => {
+  const mono = makeTempMonorepo();
+  try {
+    const dir = makeGameProject(mono.games, 'nover');
+    // 覆写成无 creator 字段
+    writeFileSync(join(dir, 'package.json'), JSON.stringify({ name: 'nover' }));
+    assert.equal(readCreatorVersion(dir), null);
+  } finally {
+    cleanup(mono.root);
+  }
+});
+
+test('listGameProjects 只列出含 package.json 的子目录', () => {
+  const mono = makeTempMonorepo();
+  try {
+    makeGameProject(mono.games, 'doudizhu');
+    makeGameProject(mono.games, 'niuniu');
+    mkdirSync(join(mono.games, 'not-a-project')); // 无 package.json，应被忽略
+    const found = listGameProjects(mono.games).map((p) => p.split(/[\\/]/).pop()).sort();
+    assert.deepEqual(found, ['doudizhu', 'niuniu']);
+  } finally {
+    cleanup(mono.root);
+  }
+});
+
+test('listGameProjects 对不存在的目录返回空数组', () => {
+  assert.deepEqual(listGameProjects('/no/such/dir'), []);
+});