Method _put_node

src/jsmind.mind.js:342–350

* Put node into the map if id is not taken. * @param {Node} node * @returns {boolean}

(node)

     * @returns {boolean}
     */
    _put_node(node) {
        if (node.id in this.nodes) {
            logger.warn("the node_id '" + node.id + "' has been already exist.");
            return false;
        } else {
            this.nodes[node.id] = node;
            return true;
        }
    }
    /**
     * Re-index children by Node.compare.
     * @param {Node} node