Method getNodeById

src/data/Tree.ts:153–163

(id: string)

    }

    getNodeById(id: string): TreeNode {
        if (this.getId() === id) {
            return this;
        }
        for (let i = 0, children = this.children, len = children.length; i < len; i++) {
            const res = children[i].getNodeById(id);
            if (res) {
                return res;
            }
        }
    }

    contains(node: TreeNode): boolean {
        if (node === this) {