// 把自包含 HTML 里每个内联 <script> 抽出来单独语法检查，定位 "Unexpected token '{'"。
import { readFileSync, writeFileSync, mkdirSync } from "node:fs";
import { join } from "node:path";
import { execFileSync } from "node:child_process";

const page = process.argv[2] ?? "dist/releases/single-hsr-kv37/sim/index.html";
const html = readFileSync(page, "utf8");
const outDir = "tools/checks/.sim-scripts";
mkdirSync(outDir, { recursive: true });

const scripts = [...html.matchAll(/<script(?:\s[^>]*)?>([\s\S]*?)<\/script>/g)].map((m) => m[1] ?? "");
console.log(`共 ${scripts.length} 个内联 script，页面 ${(html.length / 1024 / 1024).toFixed(1)} MB\n`);

scripts.forEach((code, i) => {
  const file = join(outDir, `script-${i}.js`);
  writeFileSync(file, code);
  const kb = (code.length / 1024).toFixed(0);
  try {
    execFileSync(process.execPath, ["--check", file], { stdio: "pipe" });
    console.log(`  ✓ script-${i}  ${kb} KB`);
  } catch (error) {
    const stderr = String((error as { stderr?: string }).stderr ?? "");
    const first = stderr.split("\n").filter((l) => l.trim()).slice(0, 6).join("\n     ");
    console.log(`  ✗ script-${i}  ${kb} KB\n     ${first}`);
  }
});