@acemir/cssom
Version:
CSS Object Model implementation and CSS parser
79 lines (66 loc) • 1.38 kB
JavaScript
//.CommonJS
var CSSOM = {};
///CommonJS
/**
* @constructor
* @see http://dev.w3.org/csswg/cssom/#the-medialist-interface
*/
CSSOM.MediaList = function MediaList(){
this.length = 0;
};
CSSOM.MediaList.prototype = {
constructor: CSSOM.MediaList,
/**
* @return {string}
*/
get mediaText() {
return Array.prototype.join.call(this, ", ");
},
/**
* @param {string} value
*/
set mediaText(value) {
if (typeof value === "string") {
var values = value.split(",").filter(function(text){
return !!text;
});
var length = this.length = values.length;
for (var i=0; i<length; i++) {
this[i] = values[i].trim();
}
} else if (value === null) {
var length = this.length;
for (var i = 0; i < length; i++) {
delete this[i];
}
this.length = 0;
}
},
/**
* @param {string} medium
*/
appendMedium: function(medium) {
if (Array.prototype.indexOf.call(this, medium) === -1) {
this[this.length] = medium;
this.length++;
}
},
/**
* @param {string} medium
*/
deleteMedium: function(medium) {
var index = Array.prototype.indexOf.call(this, medium);
if (index !== -1) {
Array.prototype.splice.call(this, index, 1);
}
},
item: function(index) {
return this[index] || null;
},
toString: function() {
return this.mediaText;
}
};
//.CommonJS
exports.MediaList = CSSOM.MediaList;
///CommonJS