strophe.js/dist/types/sm-parse.d.ts

Strophe.js is an XMPP library for JavaScript

/**
 * DOM-free peeking at the opening tag of a websocket frame.
 *
 * `DOMParser` is a Window interface that doesn't exist in a SharedWorker
 * global, so the worker-resident XEP-0198 engine can't parse frames the way
 * the page does. It doesn't need to: RFC 7395 delivers exactly one top-level
 * stanza or nonza per websocket frame, so the engine's {@link StanzaView}
 * (tag name plus a few attributes) can be extracted from the opening tag with
 * a regex. Divergence between the page and worker environments is prevented
 * by sharing the engine, not the parser.
 */
import type { StanzaView } from './stream-management';
/**
 * Extract a {@link StanzaView} from a raw websocket frame by inspecting its
 * opening tag. Namespace prefixes are stripped from the tag name and
 * attribute values are XML-unescaped; the frame itself becomes the view's
 * `serialized` payload.
 * @param frame - The raw frame string.
 * @returns The view, or null if the frame doesn't start with a parseable tag.
 */
export declare function peekElement(frame: string): StanzaView | null;
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