85 lines
1.6 KiB
JavaScript
85 lines
1.6 KiB
JavaScript
|
|
||
|
|
/*!
|
||
|
|
* Stylus - Feature
|
||
|
|
* Copyright (c) Automattic <developer.wordpress.com>
|
||
|
|
* MIT Licensed
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Module dependencies.
|
||
|
|
*/
|
||
|
|
|
||
|
|
var Node = require('./node');
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Initialize a new `Feature` with the given `segs`.
|
||
|
|
*
|
||
|
|
* @param {Array} segs
|
||
|
|
* @api public
|
||
|
|
*/
|
||
|
|
|
||
|
|
var Feature = module.exports = function Feature(segs){
|
||
|
|
Node.call(this);
|
||
|
|
this.segments = segs;
|
||
|
|
this.expr = null;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Inherit from `Node.prototype`.
|
||
|
|
*/
|
||
|
|
|
||
|
|
Feature.prototype.__proto__ = Node.prototype;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Return a clone of this node.
|
||
|
|
*
|
||
|
|
* @return {Node}
|
||
|
|
* @api public
|
||
|
|
*/
|
||
|
|
|
||
|
|
Feature.prototype.clone = function(parent){
|
||
|
|
var clone = new Feature;
|
||
|
|
clone.segments = this.segments.map(function(node){ return node.clone(parent, clone); });
|
||
|
|
if (this.expr) clone.expr = this.expr.clone(parent, clone);
|
||
|
|
if (this.name) clone.name = this.name;
|
||
|
|
clone.lineno = this.lineno;
|
||
|
|
clone.column = this.column;
|
||
|
|
clone.filename = this.filename;
|
||
|
|
return clone;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Return "<ident>" or "(<ident>: <expr>)"
|
||
|
|
*
|
||
|
|
* @return {String}
|
||
|
|
* @api public
|
||
|
|
*/
|
||
|
|
|
||
|
|
Feature.prototype.toString = function(){
|
||
|
|
if (this.expr) {
|
||
|
|
return '(' + this.segments.join('') + ': ' + this.expr.toString() + ')';
|
||
|
|
} else {
|
||
|
|
return this.segments.join('');
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Return a JSON representation of this node.
|
||
|
|
*
|
||
|
|
* @return {Object}
|
||
|
|
* @api public
|
||
|
|
*/
|
||
|
|
|
||
|
|
Feature.prototype.toJSON = function(){
|
||
|
|
var json = {
|
||
|
|
__type: 'Feature',
|
||
|
|
segments: this.segments,
|
||
|
|
lineno: this.lineno,
|
||
|
|
column: this.column,
|
||
|
|
filename: this.filename
|
||
|
|
};
|
||
|
|
if (this.expr) json.expr = this.expr;
|
||
|
|
if (this.name) json.name = this.name;
|
||
|
|
return json;
|
||
|
|
};
|