DefinitelyTyped/dom4/dom4.d.ts

// Type definitions for dom4 v1.5
// Project: https://github.com/WebReflection/dom4
// Definitions by: Adi Dahiya <https://github.com/adidahiya>, Gilad Gray <https://github.com/giladgray>
// Definitions: https://github.com/borisyankov/DefinitelyTyped

interface ParentNode {
    /**
     * Returns the child elements.
     */
    children: HTMLCollection;

    /**
     * Returns the first child that is an element, and null otherwise.
     */
    firstElementChild: Element;

    /**
     * Returns the last child that is an element, and null otherwise.
     */
    lastElementChild: Element;

    /**
     * Returns the number of children that are elements.
     */
    childElementCount: number;

    /**
     * Returns the first element that is a descendant of node that matches relativeSelectors.
     */
    query(relativeSelectors: string): Element;

    /**
     * Returns all element descendants of node that match relativeSelectors.
     */
    queryAll(relativeSelectors: string): Elements;
}

interface Element extends ParentNode {
    /**
     * Returns the first (starting at element) inclusive ancestor that matches selectors, and null otherwise.
     */
    closest(selectors: string): Element;

    /**
     * Returns true if matching selectors against element’s root yields element, and false otherwise.
     */
    matches(selectors: string): boolean;
}

interface Elements extends ParentNode, Array<Element> {
}

interface Document extends ParentNode {
}

interface DocumentFragment extends ParentNode {
}