1  'use strict';
 2  
 3  var Module = require('module');
 4  var path = require('path');
 5  
 6  module.exports = function requireFromString(code, filename, opts) {
 7  	if (typeof filename === 'object') {
 8  		opts = filename;
 9  		filename = undefined;
10  	}
11  
12  	opts = opts || {};
13  	filename = filename || '';
14  
15  	opts.appendPaths = opts.appendPaths || [];
16  	opts.prependPaths = opts.prependPaths || [];
17  
18  	if (typeof code !== 'string') {
19  		throw new Error('code must be a string, not ' + typeof code);
20  	}
21  
22  	var paths = Module._nodeModulePaths(path.dirname(filename));
23  
24  	var parent = module.parent;
25  	var m = new Module(filename, parent);
26  	m.filename = filename;
27  	m.paths = [].concat(opts.prependPaths).concat(paths).concat(opts.appendPaths);
28  	m._compile(code, filename);
29  
30  	var exports = m.exports;
31  	parent && parent.children && parent.children.splice(parent.children.indexOf(m), 1);
32  
33  	return exports;
34  };