Method constructor

src/tree.ts:30–37

(children: ReadonlyArray<ChildType>)

    style: CssStyle;          // Never used; needed for satisfying interface.

    constructor(children: ReadonlyArray<ChildType>) {
        this.children = children;
        this.classes = [];
        this.height = 0;
        this.depth = 0;
        this.maxFontSize = 0;
        this.style = {};
    }

    hasClass(className: string): boolean {
        return this.classes.includes(className);