hexo/node_modules/stylus/lib/nodes/query-list.js

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2023-09-25 15:58:56 +08:00
/*!
* Stylus - QueryList
* Copyright (c) Automattic <developer.wordpress.com>
* MIT Licensed
*/
/**
* Module dependencies.
*/
var Node = require('./node');
/**
* Initialize a new `QueryList`.
*
* @api public
*/
var QueryList = module.exports = function QueryList(){
Node.call(this);
this.nodes = [];
};
/**
* Inherit from `Node.prototype`.
*/
QueryList.prototype.__proto__ = Node.prototype;
/**
* Return a clone of this node.
*
* @return {Node}
* @api public
*/
QueryList.prototype.clone = function(parent){
var clone = new QueryList;
clone.lineno = this.lineno;
clone.column = this.column;
clone.filename = this.filename;
for (var i = 0; i < this.nodes.length; ++i) {
clone.push(this.nodes[i].clone(parent, clone));
}
return clone;
};
/**
* Push the given `node`.
*
* @param {Node} node
* @api public
*/
QueryList.prototype.push = function(node){
this.nodes.push(node);
};
/**
* Merges this query list with the `other`.
*
* @param {QueryList} other
* @return {QueryList}
* @api private
*/
QueryList.prototype.merge = function(other){
var list = new QueryList
, merged;
this.nodes.forEach(function(query){
for (var i = 0, len = other.nodes.length; i < len; ++i){
merged = query.merge(other.nodes[i]);
if (merged) list.push(merged);
}
});
return list;
};
/**
* Return "<a>, <b>, <c>"
*
* @return {String}
* @api public
*/
QueryList.prototype.toString = function(){
return '(' + this.nodes.map(function(node){
return node.toString();
}).join(', ') + ')';
};
/**
* Return a JSON representation of this node.
*
* @return {Object}
* @api public
*/
QueryList.prototype.toJSON = function(){
return {
__type: 'QueryList',
nodes: this.nodes,
lineno: this.lineno,
column: this.column,
filename: this.filename
};
};