const { readdirSync, statSync } = require("fs");
const { join } = require("path");
const { spawnSync } = require("child_process");

const ignored = new Set(["node_modules", ".git", "coverage"]);
const files = [];
const walk = (directory) => {
  for (const name of readdirSync(directory)) {
    if (ignored.has(name)) continue;
    const target = join(directory, name);
    if (statSync(target).isDirectory()) walk(target);
    else if (name.endsWith(".js")) files.push(target);
  }
};
walk(process.cwd());
for (const file of files) {
  const result = spawnSync(process.execPath, ["--check", file], { stdio: "inherit" });
  if (result.status !== 0) process.exit(result.status || 1);
}
console.log(`Syntax check passed for ${files.length} JavaScript files.`);