feat: add delay on captcha to try and evade faster (#119)

src/index.ts

@@ -4,7 +4,8 @@ import adblockerPlugin from 'puppeteer-extra-plugin-adblocker';
 import {Config} from './config';
 import {Stores} from './store/model';
 import {Logger} from './logger';
-import {getSleepTime, tryLookupAndLoop} from './store';
+import {tryLookupAndLoop} from './store';
+import {getSleepTime} from './util';
 
 puppeteer.use(stealthPlugin());
 puppeteer.use(adblockerPlugin({blockTrackers: true}));

src/store/lookup.ts

@@ -5,6 +5,7 @@ import open from 'open';
 import {Store} from './model';
 import {sendNotification} from '../notification';
 import {includesLabels} from './includes-labels';
+import {delay, getSleepTime} from '../util';
 
 /**
  * Returns true if the brand should be checked for stock
@@ -56,7 +57,8 @@ async function lookup(browser: Browser, store: Store) {
 		if (includesLabels(textContent, link.oosLabels)) {
 			Logger.info(`✖ [${store.name}] still out of stock: ${graphicsCard}`);
 		} else if (link.captchaLabels && includesLabels(textContent, link.captchaLabels)) {
-			Logger.warn(`✖ [${store.name}] CAPTCHA from: ${graphicsCard}`);
+			Logger.warn(`✖ [${store.name}] CAPTCHA from: ${graphicsCard}. Waiting for a bit with this store...`);
+			await delay(getSleepTime());
 		} else if (response && response.status() === 429) {
 			Logger.warn(`✖ [${store.name}] Rate limit exceeded: ${graphicsCard}`);
 		} else {
@@ -82,10 +84,6 @@ async function lookup(browser: Browser, store: Store) {
 /* eslint-enable no-await-in-loop */
 }
 
-export function getSleepTime() {
-	return Config.browser.minSleep + (Math.random() * (Config.browser.maxSleep - Config.browser.minSleep));
-}
-
 export async function tryLookupAndLoop(browser: Browser, store: Store) {
 	Logger.debug(`[${store.name}] Starting lookup...`);
 	try {

src/util.ts

@@ -0,0 +1,11 @@
+import {Config} from './config';
+
+export function getSleepTime() {
+	return Config.browser.minSleep + (Math.random() * (Config.browser.maxSleep - Config.browser.minSleep));
+}
+
+export async function delay(ms: number) {
+	return new Promise(resolve => {
+		setTimeout(resolve, ms);
+	});
+}