test.js

import { getVariable } from 'utils'
...

let foo = getVariable(context, 'foo');
console.log(foo); // undefined

utils.js

export function getVariable(context, name) {
  var variables = context.getScope().variables;
  variables.forEach(function (variable) {
    if (variable.name === name) {
      console.log(variable) // { name: 'foo', ... }
      return variable;
    }
  });
}