fix(core): update

ts/smartssr.classes.smartssr.ts

@@ -0,0 +1,43 @@
+import * as plugins from './smartssr.plugins';
+import * as paths from './smartssr.paths';
+
+import { serializeFunction } from './smartssr.function.serialize';
+
+/**
+ *
+ */
+export class SmartSSR {
+  public browser: plugins.smartpuppeteer.puppeteer.Browser;
+  public async start() {
+    this.browser = await plugins.smartpuppeteer.getEnvAwareBrowserInstance();
+  }
+  public async stop() {
+    if (this.browser) {
+      await plugins.smartdelay.delayFor(3000);
+      await this.browser.close();
+      this.browser = null;
+    } else {
+      console.log('browser was not in started mode');
+    }
+  }
+
+  public async renderPage(urlArg: string) {
+    const resultDeferred = plugins.smartpromise.defer<string>();
+    const page = await this.browser.newPage();
+    page.on('console', (event: any) => console.log(event._text));
+
+    page.on('load', async (...args) => {
+      // await plugins.smartdelay.delayFor(2000);
+      await page.$eval('body', serializeFunction);
+      const pageContent = await page.content();
+      const renderedPageString = pageContent;
+      resultDeferred.resolve(renderedPageString);
+      plugins.smartfile.memory.toFsSync(renderedPageString, plugins.path.join(paths.noGitDir, 'test.html'));
+    });
+
+    await page.goto(urlArg);
+    const result =  await resultDeferred.promise;
+    page.close();
+    return result;
+  }
+}