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node_modules/stylus/lib/nodes/root.js 1.38 KB
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  /*!
   * Stylus - Root
   * Copyright (c) Automattic <developer.wordpress.com>
   * MIT Licensed
   */
  
  /**
   * Module dependencies.
   */
  
  var Node = require('./node');
  
  /**
   * Initialize a new `Root` node.
   *
   * @api public
   */
  
  var Root = module.exports = function Root(){
    this.nodes = [];
  };
  
  /**
   * Inherit from `Node.prototype`.
   */
  
  Root.prototype.__proto__ = Node.prototype;
  
  /**
   * Push a `node` to this block.
   *
   * @param {Node} node
   * @api public
   */
  
  Root.prototype.push = function(node){
    this.nodes.push(node);
  };
  
  /**
   * Unshift a `node` to this block.
   *
   * @param {Node} node
   * @api public
   */
  
  Root.prototype.unshift = function(node){
    this.nodes.unshift(node);
  };
  
  /**
   * Return a clone of this node.
   *
   * @return {Node}
   * @api public
   */
  
  Root.prototype.clone = function(){
    var clone = new Root();
    clone.lineno = this.lineno;
    clone.column = this.column;
    clone.filename = this.filename;
    this.nodes.forEach(function(node){
      clone.push(node.clone(clone, clone));
    });
    return clone;
  };
  
  /**
   * Return "root".
   *
   * @return {String}
   * @api public
   */
  
  Root.prototype.toString = function(){
    return '[Root]';
  };
  
  /**
   * Return a JSON representation of this node.
   *
   * @return {Object}
   * @api public
   */
  
  Root.prototype.toJSON = function(){
    return {
      __type: 'Root',
      nodes: this.nodes,
      lineno: this.lineno,
      column: this.column,
      filename: this.filename
    };
  };