INNER CODE UNIT · JavaScript

assetExists

tiliondev/fortress · sdk/node/index.js:102

async function assetExists(plat, host) {
  try { return (await fetch(`${host}/${ASSETS[plat].asset}`, { method: "HEAD" })).ok; }
  catch { return false; }
}

async function waitCdp(port, timeoutMs = 90000) {
  const deadline = Date.now() + timeoutMs;
  while (Date.now() < deadline) {
    try { const r = await fetch(`http://127.0.0.1:${port}/json/version`); if (r.ok) return (await r.json()).webSocketDebuggerUrl; }
    catch {}
    await new Promise((r) => setTimeout(r, 500));
  }
  throw new Error("Fortress CDP endpoint did not come up");
}

export class Fortress {
  constructor({ port = 9222, persona = null, extraArgs = [], headless = true, channel = DEFAULT_CHANNEL } = {}) {
    if (!CHANNELS[channel]) throw new Error(`unknown channel '${channel}'; use one of ${Object.keys(CHANNELS)}`);

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