sentry-browser.config.js

/* global Sentry */
// By setting the values on meta tags, we can load the raven library
// between the vendor libraries without having to split them into separate
// javascript bundles
(function($) {
  'use strict';

  var userId,
    organization,
    hosts,
    dsn,
    config = { debug: true };

  function getMetaValue(name, fallback) {
    var value = $('meta[name=' + name + ']').attr('content');
    if (value) {
      return value;
    } else {
      return fallback;
    }
  }

  function hostsToWhitelistURLs(hosts) {
    var urls = [],
      i,
      len = hosts.length;

    for (i = 0; i < len; i = i + 1) {
      urls.push(new RegExp(hosts[i], 'i'));
    }

    return urls;
  }

  userId = getMetaValue('raven-user-id');
  organization = getMetaValue('raven-organization');
  hosts = getMetaValue('raven-hosts');
  dsn = getMetaValue('raven-dsn');

  if (!dsn) {
    console.info('Sentry DSN not provided. Error logging disabled.');
    return;
  } else {
    config.dsn = dsn;
  }

  if (hosts) {
    config.whitelistUrls = hostsToWhitelistURLs(JSON.parse(hosts));
  }

  /* ignore, once and for all, these errors.. */
  config.beforeSend = function(event, hint) {
    var error = hint.originalException;

    // dispense with it if it's not an exception
    if (!error || !error.message) {
      return event;
    }

    // start filtering. i wish i could build a switch, but it's fugly.
    if (error.message.match(/execute code from a freed script/i)) {
      return null;
    } else if (error.message.match(/un script liberado/i)) {
      return null;
    } else {
      return event;
    }
  };

  /* Ignore common errors that seemingly have no impact on the user */
  // config.ignoreErrors = [/execute code from a freed script/, /un script liberado/];

  /*
    Do not report on unhandled promise rejections
    https://docs.sentry.io/clients/javascript/usage/#raven-js-promises
  */
  config.captureUnhandledRejections = false;

  Sentry.init(config);

  if (userId) {
    Sentry.setUser({ id: userId, organization: organization });
  }

  $(document).ajaxError(function() {
    if (arguments[1].status >= 500) {
      Sentry.withScope(function(scope) {
        scope.setExtra('arguments', arguments);
        scope.setTag('source', 'ajax');
        Sentry.captureMessage('AJAX Request Failure');
      });
    }
  });
})(window.jQuery);