stylus
Version:
Robust, expressive, and feature-rich CSS superset
57 lines (47 loc) • 1.03 kB
JavaScript
/*!
* Stylus - If
* Copyright(c) 2010 LearnBoost <dev@learnboost.com>
* MIT Licensed
*/
/**
* Module dependencies.
*/
var Node = require('./node');
/**
* Initialize a new `If` with the given `cond`.
*
* @param {Expression} cond
* @param {Boolean|Block} negate, block
* @api public
*/
var If = module.exports = function If(cond, negate){
Node.call(this);
this.cond = cond;
this.elses = [];
if (negate && negate.nodeName) {
this.block = negate;
} else {
this.negate = negate;
}
};
/**
* Inherit from `Node.prototype`.
*/
If.prototype.__proto__ = Node.prototype;
/**
* Return a clone of this node.
*
* @return {Node}
* @api public
*/
If.prototype.clone = function(){
var cond = this.cond.clone()
, block = this.block.clone();
var clone = new If(cond, block);
clone.elses = this.elses.map(function(node){ return node.clone(); });
clone.negate = this.negate;
clone.postfix = this.postfix;
clone.lineno = this.lineno;
clone.filename = this.filename;
return clone;
};