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import type { Result } from "../util/result";
import { isRecord } from "../util/guards";
import type { CdpError } from "./errors";
export type CdpEvent = {
readonly method: string;
readonly params: unknown;
readonly sessionId?: string;
};
export type CdpRawMessage = {
readonly id?: number;
readonly method?: string;
readonly params?: Record<string, unknown>;
readonly result?: unknown;
readonly error?: { readonly message: string; readonly code?: number };
readonly sessionId?: string;
};
export type DialogInfo = {
readonly type: "alert" | "confirm" | "prompt" | "beforeunload";
readonly message: string;
readonly defaultPrompt?: string;
};
export type TabInfo = {
readonly targetId: string;
readonly title: string;
readonly url: string;
readonly owned?: boolean;
};
export type PageInfo = {
readonly url: string;
readonly title: string;
readonly width: number;
readonly height: number;
readonly scrollX: number;
readonly scrollY: number;
readonly pageWidth: number;
readonly pageHeight: number;
};
export type DaemonStatus = {
readonly alive: boolean;
readonly sessionId: string | null;
readonly namespace: string;
readonly remoteBrowserId?: string;
};
export const isCdpRawMessage = (v: unknown): v is CdpRawMessage => {
if (!isRecord(v)) return false;
const id = v["id"];
if (id !== undefined && typeof id !== "number") return false;
const method = v["method"];
if (method !== undefined && typeof method !== "string") return false;
const sessionId = v["sessionId"];
if (sessionId !== undefined && typeof sessionId !== "string") return false;
const errVal = v["error"];
if (errVal !== undefined) {
if (!isRecord(errVal)) return false;
if (typeof errVal["message"] !== "string") return false;
const code = errVal["code"];
if (code !== undefined && typeof code !== "number") return false;
}
return true;
};
export const DEFAULT_TIMEOUT_MS = 15_000;
export type CdpTransport = {
connect(url: string, opts?: { timeoutMs?: number }): Promise<Result<void, CdpError>>;
close(): Promise<void>;
request(
method: string,
params: Record<string, unknown>,
opts?: { sessionId?: string | null; timeoutMs?: number },
): Promise<Result<unknown, CdpError>>;
events(): AsyncIterable<CdpEvent>;
state(): "open" | "closed" | "connecting";
onClose(cb: () => void): () => void;
};
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