sandbox-runner

Eval a piece of javascript text in a sandbox environment Could be useful to test code generation or test javascript without proper module encapsulation.

Install

Install using npm.

$ npm install sandbox-runner

Usage

 
var fs = require('fs');
var sandbox = require('sandbox-runner');
 
var codeSnippet = fs.readFileSync('./templates.js', {encoding:'utf8'});
 
/* Content of templates.js
this.Templates = this.Templates != null ? this.Templates : {};
this.Templates["hello"] = function (name) {
            return 'hello ' + name + '!';
          };
this.Templates["foo"] = function () {
            return 'foo';
          };
*/
 
var context = sandbox.run(codeSnippet);
 
context.Templates.hello('world').should.equal('hello world !');
 

API

sanbox.run(script, context = {})

run the script snippet, a context is provided as this pointer.

• script The script text to be executed
• context The context that used in execution. An empty object will be provide if omitted.

** HINT ** Exception is thrown when error occurs in script. Remember to catch the exception in async code.

sandbox.moduleRun(script, filename = '')

run the script snippet as a node.js module

• script The script text to be executed
• filenae The fake file name that of the module in file system.

License

MIT