figured out what is until

index.js

@@ -63,7 +63,7 @@ process.on('SIGTERM', exitHandler.bind(null, { cleanup: true }));
  * request handler
  */
 app.post('/', async (req, res, next) => {
-    const requestPage = () => browser.real(req.body.url).then(html => res.send(html)).catch(e => {
+    const requestPage = () => browser.get(req.body.uri, req.body.waitElement).then(html => res.send(html)).catch(e => {
         if(e instanceof NoSuchSessionError) {
             browser.reset()
             logger.error({ reason: e.message, url: req.url }, 'Browser session expired')

src/component/SeleniumBrowser.js

@@ -35,14 +35,28 @@ class SeleniumBrowser {
         return new Builder().forBrowser(this.config.browser).setChromeOptions(opts).build();
     }
 
-    async request(uri) {
+    request(uri, waitElement) {
         if (this.isRecaptchaReseponseEmpty) {
             return ''
         } else {
             logger.info('URL %s', uri)
             if (uri.indexOf('://') > 3) {
-                return this.driver.get(uri).then(d => this.driver.findElement(By.css('body')).getAttribute('innerHTML'))
+                return this.driver.get(uri)
+                    // .then(() => {
+                    //     if (waitElement) {
+                    //         return this.driver.wait(until.elementIsVisible(this.driver.findElement(By.css(waitElement))), 5 * 1000)
+                    //     }
+                    //     return true
+                    // })
+                    .then(() => this.driver.findElement(By.css('body')))
+                    .then(body => body.getAttribute('innerHTML'))
                     .then(html => this.getHtml(html))
+                    // .catch(error => {
+                    //     logger.error({ message: error.message }, 'No image element')
+                    //     return this.driver.findElement(By.css('body'))
+                    //         .then(body => body.getAttribute('innerHTML'))
+                    //         .then(html => this.getHtml(html))
+                    // })
             } else {
                 logger.info('URL %s is not valid', uri)
                 return ''

src/service/HeadlessService.js

@@ -8,8 +8,8 @@ class HeadlessService {
         
     }
 
-    real(url) {
-        return browser.request(url)
+    get(uri, waitElement) {
+        return browser.request(uri, waitElement)
     }
 
     close() {