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#!/usr/bin/env -S deno run --allow-run --allow-read --allow-write --allow-net
async function startServer(onStart: () => Promise<void>, verbose: boolean) {  const { code, success } = await run("go", "build", "-o", "esmd", "main.go");  if (!success) {    Deno.exit(code);  }  const p = new Deno.Command("./esmd", {    stdout: verbose ? "inherit" : "null",    stderr: "inherit",  }).spawn();  addEventListener("unload", () => {    console.log("%cClosing esm.sh server...", "color: grey");    p.kill("SIGINT");  });  while (true) {    try {      await new Promise((resolve) => setTimeout(resolve, 100));      const res = await fetch("http://localhost:8080/status.json");      const ret = await res.json();      if (ret.version) {        console.log("esm.sh server started.");        onStart();        break;      }    } catch (_) {      // ignore    }  }  await p.status;}
async function runTest(name: string, retry?: boolean): Promise<number> {  const execBegin = Date.now();  const args = [    "test",    "-A",    "--unstable-fs",    "--check",    "--no-lock",    "--reload=http://localhost:8080",    "--location=http://0.0.0.0/",  ];  const dir = `test/${name}/`;  if (await existsFile(dir + "deno.json")) {    args.push("--config", dir + "deno.json");  }  args.push(dir);
  console.log(`\n[test ${name}]`);
  const { code, success } = await run(Deno.execPath(), ...args);  if (!success) {    if (!retry) {      console.log("something wrong, retry...");      await new Promise((resolve) => setTimeout(resolve, 500));      return await runTest(name, true);    } else {      Deno.exit(code);    }  }  return Date.now() - execBegin;}
function run(name: string, ...args: string[]) {  const p = new Deno.Command(name, {    args,    stdout: "inherit",    stderr: "inherit",  }).spawn();  return p.status;}
async function existsFile(path: string): Promise<boolean> {  try {    const fi = await Deno.lstat(path);    return fi.isFile;  } catch (err) {    if (err instanceof Deno.errors.NotFound) {      return false;    }    throw err;  }}
if (import.meta.main) {  const rootDir = new URL(import.meta.url).pathname.split("/").slice(0, -2)    .join("/");  Deno.chdir(rootDir);  const tests = Deno.args.filter((arg) => !arg.startsWith("-"));  const clean = Deno.args.includes("--clean");  if (clean) {    try {      console.log("Cleaning up...");      await Promise.all([        Deno.remove("./.esmd/log", { recursive: true }),        Deno.remove("./.esmd/storage", { recursive: true }),        Deno.remove("./.esmd/esm.db"),      ]);    } catch (_) {      // ignore    }  }  console.log("Starting esm.sh server...");  startServer(async () => {    let timeUsed = 0;    if (tests.length > 0) {      for (const testDir of tests) {        timeUsed += await runTest(testDir, true);      }    } else {      for await (const entry of Deno.readDir("./test")) {        if (entry.isDirectory && !entry.name.startsWith("_")) {          timeUsed += await runTest(entry.name);        }      }    }    timeUsed = Math.ceil(timeUsed / 1000);    console.log(      `Done! Total time spent: %c${Math.floor(timeUsed / 60)}m${        timeUsed % 60      }s`,      "color: blue",    );    Deno.exit(0);  }, tests.length > 0);}