mirror of https://github.com/jkjoy/sunpeiwen.git
79 lines
1.4 KiB
JavaScript
79 lines
1.4 KiB
JavaScript
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/*!
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* Stylus - If
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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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/**
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* Initialize a new `If` with the given `cond`.
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*
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* @param {Expression} cond
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* @param {Boolean|Block} negate, block
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* @api public
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*/
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var If = module.exports = function If(cond, negate){
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Node.call(this);
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this.cond = cond;
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this.elses = [];
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if (negate && negate.nodeName) {
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this.block = negate;
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} else {
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this.negate = negate;
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}
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};
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/**
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* Inherit from `Node.prototype`.
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*/
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If.prototype.__proto__ = Node.prototype;
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/**
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* Return a clone of this node.
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*
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* @return {Node}
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* @api public
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*/
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If.prototype.clone = function(parent){
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var clone = new If();
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clone.cond = this.cond.clone(parent, clone);
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clone.block = this.block.clone(parent, clone);
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clone.elses = this.elses.map(function(node){ return node.clone(parent, clone); });
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clone.negate = this.negate;
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clone.postfix = this.postfix;
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clone.lineno = this.lineno;
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clone.column = this.column;
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clone.filename = this.filename;
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return clone;
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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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If.prototype.toJSON = function(){
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return {
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__type: 'If',
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cond: this.cond,
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block: this.block,
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elses: this.elses,
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negate: this.negate,
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postfix: this.postfix,
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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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