QuestDB JavaScript Client - v5.0.0
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    Interface QwpBrowserWebSocketOptions

    interface QwpBrowserWebSocketOptions {
        closeTimeoutMs?: number;
        connectTimeoutMs?: number;
        failoverUrls?: readonly (string | URL)[];
        ingressNegotiationTimeoutMs?: number;
        protocols?: string | string[];
        requestDurableAck?: boolean;
        sendTimeoutMs?: number;
        sessionBootstrap?: QwpBrowserSessionBootstrapConfig;
        url: string | URL;
        webSocketFactory?: (
            url: string | URL,
            protocols?: string | string[],
        ) => QwpWebSocketLike;
    }

    Hierarchy (View Summary)

    Index

    Properties

    closeTimeoutMs? connectTimeoutMs? failoverUrls? ingressNegotiationTimeoutMs? protocols? requestDurableAck? sendTimeoutMs? sessionBootstrap? url webSocketFactory?

    Properties

    closeTimeoutMs?: number

    Maximum time allowed for a graceful WebSocket close. Defaults to 15s. Capped at 2,147,483,647ms (the host timer ceiling); a larger value throws a RangeError.

    connectTimeoutMs?: number

    Node TCP/TLS connection deadline, or the complete opening deadline in a browser. Defaults to 15s. Capped at 2,147,483,647ms (the host timer ceiling); a larger value throws a RangeError.

    failoverUrls?: readonly (string | URL)[]

    Additional endpoints attempted in order when the preferred endpoint fails.

    ingressNegotiationTimeoutMs?: number

    Time allowed for the optional ingress SERVER_INFO message. Defaults to 250ms; zero disables the initial wait while retaining late negotiation. Capped at 2,147,483,647ms (the host timer ceiling); a larger value throws a RangeError.

    protocols?: string | string[]
    requestDurableAck?: boolean

    Requests durable ingress ACKs through browser-visible WebSocket subprotocol negotiation.

    sendTimeoutMs?: number

    Maximum time a send may remain queued by the WebSocket. Defaults to 15s. Capped at 2,147,483,647ms (the host timer ceiling); a larger value throws a RangeError.

    sessionBootstrap?: QwpBrowserSessionBootstrapConfig

    Authenticates over REST before every WebSocket connection attempt so the browser can attach QuestDB's HttpOnly session cookies to the upgrade.

    url: string | URL
    webSocketFactory?: (
        url: string | URL,
        protocols?: string | string[],
    ) => QwpWebSocketLike

    Test or framework hook; defaults to the browser's global WebSocket.

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