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Contents
/*!
* Stylus - Media
* Copyright(c) 2010 LearnBoost <dev@learnboost.com>
* MIT Licensed
*/
/**
* Module dependencies.
*/
var Node = require('./node')
, nodes = require('./');
/**
* Initialize a new `Media` with the given `val`
*
* @param {String} val
* @api public
*/
var Media = module.exports = function Media(val){
Node.call(this);
this.val = val;
};
/**
* Inherit from `Node.prototype`.
*/
Media.prototype.__proto__ = Node.prototype;
/**
* Clone this node.
*
* @return {Media}
* @api public
*/
Media.prototype.clone = function(parent){
var clone = new Media;
clone.val = this.val.clone(parent, clone);
clone.block = this.block.clone(parent, clone);
clone.lineno = this.lineno;
clone.filename = this.filename;
return clone;
};
/**
* Return a JSON representation of this node.
*
* @return {Object}
* @api public
*/
Media.prototype.toJSON = function(){
return {
__type: 'Media',
val: this.val,
block: this.block,
lineno: this.lineno,
filename: this.filename
};
};
/**
* Check if media block has properties.
*
* @return {Boolean}
* @api public
*/
Media.prototype.__defineGetter__('hasProperties', function(){
return hasProperties(this.block);
});
/**
* Return @media "val".
*
* @return {String}
* @api public
*/
Media.prototype.toString = function(){
return '@media ' + this.val;
};
function hasProperties(block) {
for (var i = 0, len = block.nodes.length; i < len; i++) {
var node = block.nodes[i];
switch (node.nodeName) {
case 'property':
return true;
case 'group':
return !node.hasOnlyPlaceholders && hasProperties(node.block);
case 'block':
return hasProperties(node);
default:
if (node.block) return hasProperties(node.block);
}
}
}
Version data entries
33 entries across 19 versions & 1 rubygems