Add waitforselector

README.md

@@ -26,8 +26,10 @@ screenshoteer --url file:///C:/Users/../Random-HTML-file.html
 <p>And with the help of puppeteer(Headless Chrome) it will generate screenshot of the entire web page.</p>
 
 <p>
-Parameters:
+Parameters:  
 
+
+-h help  
 --url web page url  
 --emulate - emulate web device example: --emulate "iPhone 6"  
 --fullpage - can be true or false. It will take screenshot of entire web page if is true. True is the default parameter.  
@@ -35,6 +37,7 @@ Parameters:
 --w - width of the Web Page in px  
 --h - height of the Web Page in px  
 --waitfor - wait time for the page load in milliseconds  
+--waitforselector - wait for the selector to appear in page
 --el - css selector document.querySelector  
 --auth - basic http authentication  
 --no - exclude "image", "stylesheet", "script", "font"  

index.js

@@ -12,6 +12,7 @@ program
     .option('--w, [w]', 'width')
     .option('--h, [h]', 'height')
     .option('--waitfor, [waitfor]', 'Wait time in milliseconds')
+    .option('--waitforselector, [waitforselector]', 'Wait for the selector to appear in page')
     .option('--el, [el]', 'element css selector')
     .option('--auth, [auth]', 'Basic HTTP authentication')
     .option('--no, [no]', 'Exclude')
@@ -69,6 +70,7 @@ console.log(program.fullPage);
     await page.goto(program.url);
     const title = (await page.title()).replace(/[/\\?%*:|"<>]/g, '-');
     if (program.waitfor) await page.waitFor(Number(program.waitfor));
+    if (program.waitforselector) await page.waitForSelector(program.waitforselector);
     if (program.click) await page.click(program.click);
     const file = program.file ? program.file : `${title} ${program.emulate} ${program.el} ${timestamp}.png`;
     if (program.el) {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "screenshoteer",
-  "version": "1.0.8",
+  "version": "1.0.9",
   "description": "Make screenshots and device emulations form your terminal",
   "main": "index.js",
   "scripts": {