Esprima and Escope

scope.js

var escope = require('escope');
var esprima = require('esprima');
var estraverse = require('estraverse');
var code = require('./ast');
var ast = code.esprimaAST();
var scopeManager = escope.analyze(ast);
var scopes = scopeManager.scopes;
// return an array of scopes, in our example we have 2, the global and inside of the function
var currentScope = scopeManager.acquire(ast); 
// return the global scope, the current one