89 lines
1.2 KiB
JavaScript
Executable file
89 lines
1.2 KiB
JavaScript
Executable file
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/*!
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* Stylus - Null
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* Copyright (c) Automattic <developer.wordpress.com>
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* MIT Licensed
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*/
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/**
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* Module dependencies.
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*/
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var Node = require('./node')
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, nodes = require('./');
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/**
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* Initialize a new `Null` node.
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*
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* @api public
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*/
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var Null = module.exports = function Null(){};
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/**
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* Inherit from `Node.prototype`.
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*/
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Null.prototype.__proto__ = Node.prototype;
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/**
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* Return 'Null'.
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*
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* @return {String}
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* @api public
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*/
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Null.prototype.inspect =
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Null.prototype.toString = function(){
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return 'null';
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};
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/**
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* Return false.
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*
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* @return {Boolean}
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* @api public
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*/
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Null.prototype.toBoolean = function(){
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return nodes.false;
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};
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/**
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* Check if the node is a null node.
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*
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* @return {Boolean}
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* @api public
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*/
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Null.prototype.__defineGetter__('isNull', function(){
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return true;
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});
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/**
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* Return hash.
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*
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* @return {String}
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* @api public
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*/
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Null.prototype.__defineGetter__('hash', function(){
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return null;
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});
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/**
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* Return a JSON representation of this node.
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*
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* @return {Object}
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* @api public
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*/
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Null.prototype.toJSON = function(){
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return {
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__type: 'Null',
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lineno: this.lineno,
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column: this.column,
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filename: this.filename
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};
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};
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