test.less.js

test.less.js

/***************************************************************************
 * 
 * Copyright (c) 2014 Baidu.com, Inc. All Rights Reserved
 * $Id$ 
 * 
 **************************************************************************/
 
 
 
/**
 * test.less.js ~ 2014/05/08 11:31:13
 * @author leeight([email protected])
 * @version $Revision$ 
 * @description 
 *  
 **/
var path = require( 'path' );
var less = require( 'less' );
var tree = require( 'less/lib/less/tree' );

var options = {
    paths: [ __dirname ],
    relativeUrls: true
}
var data = 
  '@fooBar: 10px;\n' +
  '@foo-bar: 20px;\n' +
  'div{\n' +
  '  border: 1px solid @fooBar;\n' +
  '}';

// @see tree.toCSSVisitor
function LintVisitor( env ) {
    this._visitor = new tree.visitor( this );
    this._env = env;
}
LintVisitor.prototype.run = function( root ) {
    this._visitor.visit( root );
};
LintVisitor.prototype.visitVariable = function( node, visitArgs ) {
    var pattern = /^@([a-z0-9\-]+)$/;
    var name = node.name;

    if ( !pattern.test( name ) ) {
        console.error( 'Invalid variable declaration %s', name );
    }
};

var lintVisitor = new LintVisitor();
var parser = new ( less.Parser )( options );
parser.parse( data, function( err, tree ){
    if ( err ) throw err;

    lintVisitor.run( tree );
    // console.log( tree.toCSS() );
});





















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