EVOLUTION-MANAGER

Edit File: proto-access.js

'use strict';

exports.__esModule = true;
exports.createProtoAccessControl = createProtoAccessControl;
exports.resultIsAllowed = resultIsAllowed;
exports.resetLoggedProperties = resetLoggedProperties;
// istanbul ignore next

var _createNewLookupObject = require('./create-new-lookup-object');

var _logger = require('../logger');

var logger = _interopRequireWildcard(_logger);

var loggedProperties = Object.create(null);

function createProtoAccessControl(runtimeOptions) {
  var defaultMethodWhiteList = Object.create(null);
  defaultMethodWhiteList['constructor'] = false;
  defaultMethodWhiteList['__defineGetter__'] = false;
  defaultMethodWhiteList['__defineSetter__'] = false;
  defaultMethodWhiteList['__lookupGetter__'] = false;

var defaultPropertyWhiteList = Object.create(null);
  // eslint-disable-next-line no-proto
  defaultPropertyWhiteList['__proto__'] = false;

return {
    properties: {
      whitelist: _createNewLookupObject.createNewLookupObject(defaultPropertyWhiteList, runtimeOptions.allowedProtoProperties),
      defaultValue: runtimeOptions.allowProtoPropertiesByDefault
    },
    methods: {
      whitelist: _createNewLookupObject.createNewLookupObject(defaultMethodWhiteList, runtimeOptions.allowedProtoMethods),
      defaultValue: runtimeOptions.allowProtoMethodsByDefault
    }
  };
}

function resultIsAllowed(result, protoAccessControl, propertyName) {
  if (typeof result === 'function') {
    return checkWhiteList(protoAccessControl.methods, propertyName);
  } else {
    return checkWhiteList(protoAccessControl.properties, propertyName);
  }
}

function logUnexpecedPropertyAccessOnce(propertyName) {
  if (loggedProperties[propertyName] !== true) {
    loggedProperties[propertyName] = true;
    logger.log('error', 'Handlebars: Access has been denied to resolve the property "' + propertyName + '" because it is not an "own property" of its parent.\n' + 'You can add a runtime option to disable the check or this warning:\n' + 'See https://handlebarsjs.com/api-reference/runtime-options.html#options-to-control-prototype-access for details');
  }
}

function resetLoggedProperties() {
  Object.keys(loggedProperties).forEach(function (propertyName) {
    delete loggedProperties[propertyName];
  });
}
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