Files
clawdbot/src/browser/pw-tools-core.responses.ts
Peter Steinberger c379191f80 chore: migrate to oxlint and oxfmt
Co-authored-by: Christoph Nakazawa <christoph.pojer@gmail.com>
2026-01-14 15:02:19 +00:00

107 lines
3.0 KiB
TypeScript

import { ensurePageState, getPageForTargetId } from "./pw-session.js";
import { normalizeTimeoutMs } from "./pw-tools-core.shared.js";
function matchUrlPattern(pattern: string, url: string): boolean {
const p = pattern.trim();
if (!p) return false;
if (p === url) return true;
if (p.includes("*")) {
const escaped = p.replace(/[|\\{}()[\]^$+?.]/g, "\\$&");
const regex = new RegExp(`^${escaped.replace(/\*\*/g, ".*").replace(/\*/g, ".*")}$`);
return regex.test(url);
}
return url.includes(p);
}
export async function responseBodyViaPlaywright(opts: {
cdpUrl: string;
targetId?: string;
url: string;
timeoutMs?: number;
maxChars?: number;
}): Promise<{
url: string;
status?: number;
headers?: Record<string, string>;
body: string;
truncated?: boolean;
}> {
const pattern = String(opts.url ?? "").trim();
if (!pattern) throw new Error("url is required");
const maxChars =
typeof opts.maxChars === "number" && Number.isFinite(opts.maxChars)
? Math.max(1, Math.min(5_000_000, Math.floor(opts.maxChars)))
: 200_000;
const timeout = normalizeTimeoutMs(opts.timeoutMs, 20_000);
const page = await getPageForTargetId(opts);
ensurePageState(page);
const promise = new Promise<unknown>((resolve, reject) => {
let done = false;
let timer: NodeJS.Timeout | undefined;
let handler: ((resp: unknown) => void) | undefined;
const cleanup = () => {
if (timer) clearTimeout(timer);
timer = undefined;
if (handler) page.off("response", handler as never);
};
handler = (resp: unknown) => {
if (done) return;
const r = resp as { url?: () => string };
const u = r.url?.() || "";
if (!matchUrlPattern(pattern, u)) return;
done = true;
cleanup();
resolve(resp);
};
page.on("response", handler as never);
timer = setTimeout(() => {
if (done) return;
done = true;
cleanup();
reject(
new Error(
`Response not found for url pattern "${pattern}". Run 'clawdbot browser requests' to inspect recent network activity.`,
),
);
}, timeout);
});
const resp = (await promise) as {
url?: () => string;
status?: () => number;
headers?: () => Record<string, string>;
body?: () => Promise<Buffer>;
text?: () => Promise<string>;
};
const url = resp.url?.() || "";
const status = resp.status?.();
const headers = resp.headers?.();
let bodyText = "";
try {
if (typeof resp.text === "function") {
bodyText = await resp.text();
} else if (typeof resp.body === "function") {
const buf = await resp.body();
bodyText = new TextDecoder("utf-8").decode(buf);
}
} catch (err) {
throw new Error(`Failed to read response body for "${url}": ${String(err)}`);
}
const trimmed = bodyText.length > maxChars ? bodyText.slice(0, maxChars) : bodyText;
return {
url,
status,
headers,
body: trimmed,
truncated: bodyText.length > maxChars ? true : undefined,
};
}