Handle errors for unclickable buttons in the clickButtonWithText function

newegg-purchaser.js

@@ -11,8 +11,12 @@ async function clickButtonWithText(page, text) {
     const [ button ] = await page.$x(`//button[contains(., '${text}')]`);
 
     if (typeof button !== "undefined") {
+        try {
             await button.click();
             return true;
+        } catch (err) {
+            return false;
+        }
     } else {
         return false;
     }