source: trip-planner-front/node_modules/stylus/lib/nodes/function.js@ 8d391a1

Last change on this file since 8d391a1 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

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1
2/*!
3 * Stylus - Function
4 * Copyright (c) Automattic <developer.wordpress.com>
5 * MIT Licensed
6 */
7
8/**
9 * Module dependencies.
10 */
11
12var Node = require('./node');
13
14/**
15 * Initialize a new `Function` with `name`, `params`, and `body`.
16 *
17 * @param {String} name
18 * @param {Params|Function} params
19 * @param {Block} body
20 * @api public
21 */
22
23var Function = module.exports = function Function(name, params, body){
24 Node.call(this);
25 this.name = name;
26 this.params = params;
27 this.block = body;
28 if ('function' == typeof params) this.fn = params;
29};
30
31/**
32 * Check function arity.
33 *
34 * @return {Boolean}
35 * @api public
36 */
37
38Function.prototype.__defineGetter__('arity', function(){
39 return this.params.length;
40});
41
42/**
43 * Inherit from `Node.prototype`.
44 */
45
46Function.prototype.__proto__ = Node.prototype;
47
48/**
49 * Return hash.
50 *
51 * @return {String}
52 * @api public
53 */
54
55Function.prototype.__defineGetter__('hash', function(){
56 return 'function ' + this.name;
57});
58
59/**
60 * Return a clone of this node.
61 *
62 * @return {Node}
63 * @api public
64 */
65
66Function.prototype.clone = function(parent){
67 if (this.fn) {
68 var clone = new Function(
69 this.name
70 , this.fn);
71 } else {
72 var clone = new Function(this.name);
73 clone.params = this.params.clone(parent, clone);
74 clone.block = this.block.clone(parent, clone);
75 }
76 clone.lineno = this.lineno;
77 clone.column = this.column;
78 clone.filename = this.filename;
79 return clone;
80};
81
82/**
83 * Return <name>(param1, param2, ...).
84 *
85 * @return {String}
86 * @api public
87 */
88
89Function.prototype.toString = function(){
90 if (this.fn) {
91 return this.name
92 + '('
93 + this.fn.toString()
94 .match(/^function *\w*\((.*?)\)/)
95 .slice(1)
96 .join(', ')
97 + ')';
98 } else {
99 return this.name
100 + '('
101 + this.params.nodes.join(', ')
102 + ')';
103 }
104};
105
106/**
107 * Return a JSON representation of this node.
108 *
109 * @return {Object}
110 * @api public
111 */
112
113Function.prototype.toJSON = function(){
114 var json = {
115 __type: 'Function',
116 name: this.name,
117 lineno: this.lineno,
118 column: this.column,
119 filename: this.filename
120 };
121 if (this.fn) {
122 json.fn = this.fn;
123 } else {
124 json.params = this.params;
125 json.block = this.block;
126 }
127 return json;
128};
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