auto scroll

data/cities.csv

@@ -1,20 +1,4 @@
 rank,Latitude,Longitude,Name of City,Country,2021 Population,2020 Population,Growth,Population Difference,Population Change
-1,35.6828387,139.7594549,Tokyo,Japan,37339804,37393128,-0.0014,53324,declined
-2,28.6517178,77.2219388,Delhi,India,31181376,30290936,0.0294,890440,grew
-3,31.2322758,121.4692071,Shanghai,China,27795702,27058480,0.0272,737222,grew
-4,-23.5506507,-46.6333824,Sao Paulo,Brazil,22237472,22043028,0.0088,194444,grew
-5,19.4326296,-99.1331785,Mexico City,Mexico,21918936,21782378,0.0063,136558,grew
-6,23.7861979,90.4026151,Dhaka,Bangladesh,21741090,21005860,0.035,735230,grew
-7,30.0443879,31.2357257,Cairo,Egypt,21322750,20900604,0.0202,422146,grew
-8,39.906217,116.3912757,Beijing,China,20896820,20462610,0.0212,434210,grew
-9,19.0759899,72.8773928,Mumbai,India,20667656,20411274,0.0126,256382,grew
-10,34.6198813,135.490357,Osaka,Japan,19110616,19165340,-0.0029,54724,declined
-11,24.8546842,67.0207055,Karachi,Pakistan,16459472,16093786,0.0227,365686,grew
-12,29.5647398,106.5478767,Chongqing,China,16382376,15872179,0.0321,510197,grew
-13,41.0096334,28.9651646,Istanbul,Turkey,15415197,15190336,0.0148,224861,grew
-14,-34.6075682,-58.4370894,Buenos Aires,Argentina,15257673,15153729,0.0069,103944,grew
-15,22.5414185,88.3576912,Kolkata,India,14974073,14850066,0.0084,124007,grew
-16,-4.3217055,15.3125974,Kinshasa,DR Congo,14970460,14342439,0.0438,628021,grew
 17,6.4550575,3.3941795,Lagos,Nigeria,14862111,14368332,0.0344,493779,grew
 18,14.5907332,120.9809674,Manila,Philippines,14158573,13923452,0.0169,235121,grew
 19,39.0856735,117.1951073,Tianjin,China,13794450,13589078,0.0151,205372,grew

src/index.ts

@@ -9,7 +9,7 @@ import chrome, { ServiceBuilder } from 'selenium-webdriver/chrome';
 import * as fs from 'fs';
 import * as path from 'path';
 import { getCities } from './lib/cities';
-import { WebDriverUtils, saveContactInfoToCSV } from './lib/utils';
+import { WebDriverUtils, saveContactInfoToCSV, useExistingChrome, disableCookiesInChrome } from './lib/utils';
 import * as UIActions from './lib/UIActions';
 import { randomUUID } from 'crypto';
 
@@ -23,17 +23,8 @@ async function visitCityPages(): Promise<void> {
 
     console.log('Connecting to existing Chrome browser...');
 
-    // Connect to an existing Chrome browser running in debug mode on port 9222
+    const driver = await useExistingChrome();
-    const options = new chrome.Options();
+    if (!driver) return;
-
-    // Set the debugger address to connect to the existing Chrome instance
-    options.debuggerAddress('localhost:9222');
-
-    // Create WebDriver instance that connects to the existing browser
-    const driver: WebDriver = await new Builder()
-        .forBrowser('chrome')
-        .setChromeOptions(options)
-        .build();
 
     // Visit each city's TripAdvisor page
     for (let i = 0; i < cities.length; i++) {
@@ -50,18 +41,18 @@ async function visitCityPages(): Promise<void> {
 
             console.log("Logo click")
             if (!await UIActions.gotoHome(driver)) throw `${city} failed`;
-            await WebDriverUtils.wait(5);
+            await WebDriverUtils.wait(driver);
 
             console.log("Exec Search")
             if (!await UIActions.execSearch(driver, city)) throw `${city} failed`;
-            await WebDriverUtils.wait(5);
+            await WebDriverUtils.wait(driver);
 
             console.log("Click See all")
             if (!await UIActions.clickSeeAll(driver)) {
                 if (!await UIActions.clickTourismLink(driver)) throw `${city} failed`;
                 if (!await UIActions.clickSeeAll(driver)) throw `${city} failed`;
             }
-            await WebDriverUtils.wait(5);
+            await WebDriverUtils.wait(driver);
 
             console.log("Switch tab")
             let windows = await driver.getAllWindowHandles();
@@ -75,7 +66,7 @@ async function visitCityPages(): Promise<void> {
 
             console.log("Click See all attractions")
             if (!await UIActions.clickSeeAllAttractions(driver)) throw `${city} failed`;
-            await WebDriverUtils.wait(5);
+            await WebDriverUtils.wait(driver);
 
             console.log("Switch tab to Attraction")
             windows = await driver.getAllWindowHandles();
@@ -90,7 +81,7 @@ async function visitCityPages(): Promise<void> {
             // click museum
             console.log("Click Museum link");
             if (!await UIActions.clickMuseumsLink(driver)) throw `${city} failed`;
-            await WebDriverUtils.wait(5);
+            await WebDriverUtils.wait(driver);
 
             let page = 1;
             while (1) {
@@ -98,12 +89,12 @@ async function visitCityPages(): Promise<void> {
                 // get list of museums
                 console.log("Get list of museums");
                 const museumElms = await UIActions.getMusiums(driver);
-                await WebDriverUtils.wait(1);
+                await WebDriverUtils.wait(driver);
 
                 for (const listItem of museumElms) {
 
                     await listItem.click();
-                    await WebDriverUtils.wait(3);
+                    await WebDriverUtils.wait(driver);
 
                     windows = await driver.getAllWindowHandles();
                     for (const handle of windows) {
@@ -120,10 +111,10 @@ async function visitCityPages(): Promise<void> {
 
                     museumWindow && await driver.switchTo().window(museumWindow);
                     await driver.close();
-                    await WebDriverUtils.wait(1);
+                    await WebDriverUtils.wait(driver);
 
                     attactionsWindow && await driver.switchTo().window(attactionsWindow);
-                    await WebDriverUtils.wait(1);
+                    await WebDriverUtils.wait(driver);
 
                 }
 
@@ -132,7 +123,7 @@ async function visitCityPages(): Promise<void> {
                 if (page > 10) break;
 
                 UIActions.clickPagination(driver, page);
-                await WebDriverUtils.wait(5);
+                await WebDriverUtils.wait(driver);
 
             }
 
@@ -142,7 +133,7 @@ async function visitCityPages(): Promise<void> {
 
             if (i < cities.length - 1) {
                 console.log(`Waiting for 5000 seconds before next city...`);
-                await WebDriverUtils.wait(5); // Wait 5000 seconds before next city
+                await WebDriverUtils.wait(); // Wait 5000 seconds before next city
             }
         } catch (error) {
 
@@ -150,7 +141,7 @@ async function visitCityPages(): Promise<void> {
 
             // If the button is not found within the timeout, log and continue to the next city
             console.log(`No Museums button found for ${city}. Moving to next city after 5 seconds...`);
-            await WebDriverUtils.wait(5); // Wait 5 seconds before next city
+            await WebDriverUtils.wait(); // Wait 5 seconds before next city
         }
     }
 

src/lib/UIActions.ts

@@ -21,9 +21,9 @@ export async function execSearch(driver: WebDriver, city: string): Promise<boole
         await searchInput.sendKeys(city);
 
         // Submit the search (press Enter)
-        await WebDriverUtils.wait(2);
+        await WebDriverUtils.wait(driver);
         await searchInput.sendKeys('\uE007'); // Unicode for Enter key
-        await WebDriverUtils.wait(5); // Wait 5 seconds before next city
+        await WebDriverUtils.wait(driver); // Wait 5 seconds before next city
 
         return true;
     } catch (e) {

src/lib/utils.ts

@@ -2,7 +2,8 @@
  * Utility class for common WebDriver operations
  */
 
-import { WebDriver, By, until } from 'selenium-webdriver';
+import { Builder, By, until, WebDriver } from 'selenium-webdriver';
+import chrome from 'selenium-webdriver/chrome';
 import { writeFileSync, existsSync, appendFileSync } from 'fs';
 import * as path from 'path';
 import { ContactInfo } from './types';
@@ -13,9 +14,36 @@ export class WebDriverUtils {
      * @param seconds Number of seconds to wait
      * @returns Promise that resolves after the specified time
      */
-    static async wait(seconds: number): Promise<void> {
+    static async wait(driver?: WebDriver): Promise<void> {
-        console.log(`Waiting for ${seconds} seconds...`);
+        const seconds = Math.floor(Math.random() * 1000) % 3 + 3;
-        return new Promise(resolve => setTimeout(resolve, seconds * 1000));
+        console.log(`Scrolling to bottom for ${seconds} seconds...`);
+    
+        const endTime = Date.now() + seconds * 1000;
+    
+        let scrollCounter = 0;
+
+        while (Date.now() < endTime) {
+            try {
+                if(driver){
+                    if(scrollCounter < 4){
+                        await driver.executeScript(`
+                            window.scrollBy(0, window.innerHeight);
+                        `);
+                    }else{
+                        await driver.executeScript(`
+                            window.scrollTo(0, 0);
+                        `); 
+                    }
+
+                    scrollCounter++;
+                }
+            } catch (error) {
+                console.warn('Scroll failed:', error);
+            }
+    
+            // Wait a little between scrolls
+            await new Promise(resolve => setTimeout(resolve, 500));
+        }
     }
 
     /**
@@ -43,3 +71,58 @@ export function saveContactInfoToCSV(city: string, contactInfo: ContactInfo, fil
 
     console.log(`Contact info saved to ${filePath}`);
 }
+
+export async function disableCookiesInChrome(): Promise<WebDriver | null> {
+    // Set Chrome options
+    const options = new chrome.Options();
+
+    // 1. Block all cookies
+    //options.setUserPreferences({
+    //    'profile.default_content_setting_values.cookies': 2, // 2 = Block all
+    //    'profile.block_third_party_cookies': true
+    //});
+
+    // 2. Optional: Launch in incognito for extra privacy
+    options.addArguments('--incognito');
+    options.addArguments('--start-maximized');
+
+    let driver: WebDriver | null = null;
+
+    try {
+        driver = await new Builder()
+            .forBrowser('chrome')
+            .setChromeOptions(options)
+            .build();
+
+        await driver.get('https://www.tripadvisor.com/');
+
+        console.log('Chrome launched with cookies disabled.');
+
+        // Optional: Verify cookies are blocked by trying to set/get a cookie
+        await driver.manage().addCookie({ name: 'test', value: '123' });
+        const cookies = await driver.manage().getCookies();
+        console.log('Cookies after trying to add:', cookies); // Should be empty or restricted
+
+        return driver;
+    } catch (error) {
+        console.error('Error:', error);
+        return driver;
+    }
+
+}
+
+export async function useExistingChrome(): Promise<WebDriver> {
+    // Connect to an existing Chrome browser running in debug mode on port 9222
+    const options = new chrome.Options();
+
+    // Set the debugger address to connect to the existing Chrome instance
+    options.debuggerAddress('localhost:9222');
+
+    // Create WebDriver instance that connects to the existing browser
+    const driver: WebDriver = await new Builder()
+        .forBrowser('chrome')
+        .setChromeOptions(options)
+        .build();
+
+    return driver;
+}