// 最小复现/验证脚本：直接编译 src/lib/stock-api.ts 真实源码，
// 调用 getStockBoard(null)，复现「Cannot read properties of null (reading 'startsWith')」。
// 无测试框架，node 直接运行：node tests/get-stock-board-repro.mjs
import fs from "node:fs";
import path from "node:path";
import Module from "node:module";
import ts from "typescript";

const srcPath = path.resolve("src/lib/stock-api.ts");
const source = fs.readFileSync(srcPath, "utf8");

const js = ts.transpileModule(source, {
  compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2020, esModuleInterop: true },
}).outputText;

const mod = new Module(srcPath);
mod.filename = srcPath;
mod.paths = Module._nodeModulePaths(path.dirname(srcPath));

// 拦截 @/lib/api-client 别名导入（getStockBoard 本身不依赖它）
const origResolve = Module._resolveFilename;
Module._resolveFilename = function (request, ...args) {
  if (request === "@/lib/api-client") return path.resolve("tests/_stub-api-client.cjs");
  return origResolve.call(this, request, ...args);
};

try {
  mod._compile(js, srcPath);
} finally {
  Module._resolveFilename = origResolve;
}

const { getStockBoard } = mod.exports;

// ---- 断言 ----
function assertThrows(fn, label) {
  try {
    fn();
    console.log(`✗ ${label}: 未抛错`);
    process.exitCode = 1;
  } catch (e) {
    console.log(`✓ ${label}: 抛错 -> ${e.message}`);
  }
}

function assertNoThrow(fn, label) {
  try {
    const r = fn();
    console.log(`✓ ${label}: 未抛错 -> ${JSON.stringify(r)}`);
    return r;
  } catch (e) {
    console.log(`✗ ${label}: 抛错 -> ${e.message}`);
    process.exitCode = 1;
  }
}

// 正常代码
assertNoThrow(() => getStockBoard("600000"), "正常代码 getStockBoard('600000')");
// 崩盘场景：securityCode 为 null（East Money 题材列表实测存在），修复后应兜底返回主板
assertNoThrow(() => getStockBoard(null), "null securityCode");
assertNoThrow(() => getStockBoard(undefined), "undefined securityCode");
// 空串不崩
assertNoThrow(() => getStockBoard(""), "空串 getStockBoard('')");