happy-dom/cjs/mutation-observer/MutationObserver.d.ts

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML.

import * as PropertySymbol from '../PropertySymbol.cjs';
import Node from '../nodes/node/Node.cjs';
import BrowserWindow from '../window/BrowserWindow.cjs';
import IMutationObserverInit from './IMutationObserverInit.cjs';
import MutationRecord from './MutationRecord.cjs';
/**
 * The MutationObserver interface provides the ability to watch for changes being made to the DOM tree.
 *
 * @see https://developer.mozilla.org/en-US/docs/Web/API/MutationObserver
 */
export default class MutationObserver {
    #private;
    protected [PropertySymbol.window]: BrowserWindow;
    /**
     * Constructor.
     *
     * @param callback Callback.
     */
    constructor(callback: (records: MutationRecord[], observer: MutationObserver) => void);
    /**
     * Starts observing.
     *
     * @param target Target.
     * @param options Options.
     */
    observe(target: Node, options: IMutationObserverInit): void;
    /**
     * Disconnects.
     */
    disconnect(): void;
    /**
     * Returns a list of all matching DOM changes that have been detected but not yet processed by the observer's callback function, leaving the mutation queue empty.
     *
     * @returns Records.
     */
    takeRecords(): MutationRecord[];
    /**
     *
     */
    [PropertySymbol.destroy](): void;
}
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