Current File : //usr/lib/node_modules/bower/lib/node_modules/handlebars/dist/amd/handlebars/helpers/lookup.js

define(['exports'], function (exports) {
  'use strict';

  exports.__esModule = true;
  var dangerousPropertyRegex = /^(constructor|__defineGetter__|__defineSetter__|__lookupGetter__|__proto__)$/;

  exports.dangerousPropertyRegex = dangerousPropertyRegex;

  exports['default'] = function (instance) {
    instance.registerHelper('lookup', function (obj, field) {
      if (!obj) {
        return obj;
      }
      if (dangerousPropertyRegex.test(String(field)) && !Object.prototype.propertyIsEnumerable.call(obj, field)) {
        return undefined;
      }
      return obj[field];
    });
  };
});
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