ArSn / jay-gee-eff-for-web

const { Guard } = require('./guard');

/**

 * A node object represents a node in a graph. In graph theory, nodes are also called points or vertices.

 */

class JgfNode {

    /**

     * Constructor

     * @param {string} id Primary key for the node, that is unique for the object type.

     * @param {string} label A text display for the node.

     * @param {object|null} metadata Metadata about the node.

     */

    constructor(id, label, metadata = null) {

        this.id = id;

        this.label = label;

        this.metadata = metadata;

    }

    set metadata(metadata) {

        Guard.assertValidMetadataOrNull(metadata);

        this._metadata = metadata;

    }

    get metadata() {

        return this._metadata;

    }

}

module.exports = {

    JgfNode,

};