message: Pass URL to check.
diff: @@ -82,15 +82,23 @@ export default React.createClass({
  return this._getNewUrlState(this.props);
  },
  - // Returns true if props.url is a scalar URL, typically https://scalar.vector.im/api
  - isScalarUrl() {
  + /**
  + * Returns true if specified url is a scalar URL, typically https://scalar.vector.im/api
  + * @param {[type]} url URL to check
  + * @return {Boolean} True if specified URL is a scalar URL
  + */
  + isScalarUrl(url) {
  + if (!url) {
  + return false;
  + }
  +
  let scalarUrls = SdkConfig.get().integrations_widgets_urls;
  if (!scalarUrls || scalarUrls.length == 0) {
  scalarUrls = [SdkConfig.get().integrations_rest_url];
  }
  for (let i = 0; i < scalarUrls.length; i++) {
  - if (this.props.url.startsWith(scalarUrls[i])) {
  + if (url.startsWith(scalarUrls[i])) {
  return true;
  }
  }
  @@ -122,7 +130,7 @@ export default React.createClass({
  // Adds a scalar token to the widget URL, if required
  setScalarToken() {
  - if (!this.isScalarUrl()) {
  + if (!this.isScalarUrl(this.props.url)) {
  return;
  }
  // Fetch the token before loading the iframe as we need to mangle the URL
  