rustimate-client 0.1.0

WASM web client sources for rustimate
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'use strict';
/* global self */

var url = require('url');

var querystring = require('querystring');

var getCurrentScriptSource = require('./getCurrentScriptSource');

function createSocketUrl(resourceQuery) {
  var urlParts;

  if (typeof resourceQuery === 'string' && resourceQuery !== '') {
    // If this bundle is inlined, use the resource query to get the correct url.
    urlParts = url.parse(resourceQuery.substr(1));
  } else {
    // Else, get the url from the <script> this file was called with.
    var scriptHost = getCurrentScriptSource();

    if (scriptHost) {
      // eslint-disable-next-line no-useless-escape
      scriptHost = scriptHost.replace(/\/[^\/]+$/, '');
    }

    urlParts = url.parse(scriptHost || '/', false, true);
  }

  if (!urlParts.port || urlParts.port === '0') {
    urlParts.port = self.location.port;
  }

  var _urlParts = urlParts,
      auth = _urlParts.auth,
      path = _urlParts.path;
  var _urlParts2 = urlParts,
      hostname = _urlParts2.hostname,
      protocol = _urlParts2.protocol; // check ipv4 and ipv6 `all hostname`
  // why do we need this check?
  // hostname n/a for file protocol (example, when using electron, ionic)
  // see: https://github.com/webpack/webpack-dev-server/pull/384

  var isAnyHostname = (hostname === '0.0.0.0' || hostname === '::') && self.location.hostname && // eslint-disable-next-line no-bitwise
  !!~self.location.protocol.indexOf('http');

  if (isAnyHostname) {
    hostname = self.location.hostname;
  } // `hostname` can be empty when the script path is relative. In that case, specifying
  // a protocol would result in an invalid URL.
  // When https is used in the app, secure websockets are always necessary
  // because the browser doesn't accept non-secure websockets.


  if (hostname && (self.location.protocol === 'https:' || urlParts.hostname === '0.0.0.0')) {
    protocol = self.location.protocol;
  } // default values of the sock url if they are not provided


  var sockHost = hostname;
  var sockPath = '/sockjs-node';
  var sockPort = urlParts.port; // eslint-disable-next-line no-undefined

  var shouldParsePath = path !== null && path !== undefined && path !== '/';

  if (shouldParsePath) {
    var parsedQuery = querystring.parse(path); // all of these sock url params are optionally passed in through
    // resourceQuery, so we need to fall back to the default if
    // they are not provided

    sockHost = parsedQuery.sockHost || sockHost;
    sockPath = parsedQuery.sockPath || sockPath;
    sockPort = parsedQuery.sockPort || sockPort;
  }

  return url.format({
    protocol: protocol,
    auth: auth,
    hostname: sockHost,
    port: sockPort,
    // If sockPath is provided it'll be passed in via the resourceQuery as a
    // query param so it has to be parsed out of the querystring in order for the
    // client to open the socket to the correct location.
    pathname: sockPath
  });
}

module.exports = createSocketUrl;