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1/*!
2 * Stylus - supports
3 * Copyright (c) Automattic <developer.wordpress.com>
4 * MIT Licensed
5 */
6
7/**
8 * Module dependencies.
9 */
10
11var Atrule = require('./atrule');
12
13/**
14 * Initialize a new supports node.
15 *
16 * @param {Expression} condition
17 * @api public
18 */
19
20var Supports = module.exports = function Supports(condition){
21 Atrule.call(this, 'supports');
22 this.condition = condition;
23};
24
25/**
26 * Inherit from `Atrule.prototype`.
27 */
28
29Supports.prototype.__proto__ = Atrule.prototype;
30
31/**
32 * Return a clone of this node.
33 *
34 * @return {Node}
35 * @api public
36 */
37
38Supports.prototype.clone = function(parent){
39 var clone = new Supports;
40 clone.condition = this.condition.clone(parent, clone);
41 clone.block = this.block.clone(parent, clone);
42 clone.lineno = this.lineno;
43 clone.column = this.column;
44 clone.filename = this.filename;
45 return clone;
46};
47
48/**
49 * Return a JSON representation of this node.
50 *
51 * @return {Object}
52 * @api public
53 */
54
55Supports.prototype.toJSON = function(){
56 return {
57 __type: 'Supports',
58 condition: this.condition,
59 block: this.block,
60 lineno: this.lineno,
61 column: this.column,
62 filename: this.filename
63 };
64};
65
66/**
67 * Return @supports
68 *
69 * @return {String}
70 * @api public
71 */
72
73Supports.prototype.toString = function(){
74 return '@supports ' + this.condition;
75};