hexo/node_modules/stylus/lib/nodes/arguments.js

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2023-09-25 15:58:56 +08:00
/*!
* Stylus - Arguments
* Copyright (c) Automattic <developer.wordpress.com>
* MIT Licensed
*/
/**
* Module dependencies.
*/
var Node = require('./node')
, nodes = require('../nodes')
, utils = require('../utils');
/**
* Initialize a new `Arguments`.
*
* @api public
*/
var Arguments = module.exports = function Arguments(){
nodes.Expression.call(this);
this.map = {};
};
/**
* Inherit from `nodes.Expression.prototype`.
*/
Arguments.prototype.__proto__ = nodes.Expression.prototype;
/**
* Initialize an `Arguments` object with the nodes
* from the given `expr`.
*
* @param {Expression} expr
* @return {Arguments}
* @api public
*/
Arguments.fromExpression = function(expr){
var args = new Arguments
, len = expr.nodes.length;
args.lineno = expr.lineno;
args.column = expr.column;
args.isList = expr.isList;
for (var i = 0; i < len; ++i) {
args.push(expr.nodes[i]);
}
return args;
};
/**
* Return a clone of this node.
*
* @return {Node}
* @api public
*/
Arguments.prototype.clone = function(parent){
var clone = nodes.Expression.prototype.clone.call(this, parent);
clone.map = {};
for (var key in this.map) {
clone.map[key] = this.map[key].clone(parent, clone);
}
clone.isList = this.isList;
clone.lineno = this.lineno;
clone.column = this.column;
clone.filename = this.filename;
return clone;
};
/**
* Return a JSON representation of this node.
*
* @return {Object}
* @api public
*/
Arguments.prototype.toJSON = function(){
return {
__type: 'Arguments',
map: this.map,
isList: this.isList,
preserve: this.preserve,
lineno: this.lineno,
column: this.column,
filename: this.filename,
nodes: this.nodes
};
};