hexo/node_modules/stylus/lib/nodes/binop.js

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2023-09-25 15:58:56 +08:00
/*!
* Stylus - BinOp
* Copyright (c) Automattic <developer.wordpress.com>
* MIT Licensed
*/
/**
* Module dependencies.
*/
var Node = require('./node');
/**
* Initialize a new `BinOp` with `op`, `left` and `right`.
*
* @param {String} op
* @param {Node} left
* @param {Node} right
* @api public
*/
var BinOp = module.exports = function BinOp(op, left, right){
Node.call(this);
this.op = op;
this.left = left;
this.right = right;
};
/**
* Inherit from `Node.prototype`.
*/
BinOp.prototype.__proto__ = Node.prototype;
/**
* Return a clone of this node.
*
* @return {Node}
* @api public
*/
BinOp.prototype.clone = function(parent){
var clone = new BinOp(this.op);
clone.left = this.left.clone(parent, clone);
clone.right = this.right && this.right.clone(parent, clone);
clone.lineno = this.lineno;
clone.column = this.column;
clone.filename = this.filename;
if (this.val) clone.val = this.val.clone(parent, clone);
return clone;
};
/**
* Return <left> <op> <right>
*
* @return {String}
* @api public
*/
BinOp.prototype.toString = function() {
return this.left.toString() + ' ' + this.op + ' ' + this.right.toString();
};
/**
* Return a JSON representation of this node.
*
* @return {Object}
* @api public
*/
BinOp.prototype.toJSON = function(){
var json = {
__type: 'BinOp',
left: this.left,
right: this.right,
op: this.op,
lineno: this.lineno,
column: this.column,
filename: this.filename
};
if (this.val) json.val = this.val;
return json;
};