@airtasker/form-schema-compiler/lib/interpreter/evaluateProgram.js

a form schema compiler

"use strict";

exports.__esModule = true;

// evaluate both block and program statement
var evaluateProgram = function evaluateProgram(_ref, env, evaluate) {
  var body = _ref.body;

  if (body.length === 0) {
    return null;
  }

  var lstIndex = body.length - 1;

  for (var i = 0; i < lstIndex; i++) {
    evaluate(body[i], env);
  }

  return evaluate(body[lstIndex], env); // always return the last value
};

exports["default"] = evaluateProgram;