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Adds fastFail setting for flaky pages that aren't important #504

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2 changes: 2 additions & 0 deletions index.js
Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,8 @@ const defaultOptions = {
destination: null,
concurrency: 4,
include: ["/"],
// If you get a Timeout error, ignore and move on
fastFail: true,
userAgent: "ReactSnap",
// 4 params below will be refactored to one: `puppeteer: {}`
// https://github.com/stereobooster/react-snap/issues/120
Expand Down
24 changes: 17 additions & 7 deletions src/puppeteer_utils.js
Original file line number Diff line number Diff line change
Expand Up @@ -157,7 +157,9 @@ const crawl = async opt => {

const onUnhandledRejection = error => {
console.log("🔥 UnhandledPromiseRejectionWarning", error);
shuttingDown = true;
if (options.fastFail) {
shuttingDown = true;
}
};
process.on("unhandledRejection", onUnhandledRejection);

Expand Down Expand Up @@ -237,20 +239,28 @@ const crawl = async opt => {
beforeFetch && beforeFetch({ page, route });
await page.setUserAgent(options.userAgent);
const tracker = createTracker(page);
let skipPage = false;
try {
await page.goto(pageUrl, { waitUntil: "networkidle0" });
} catch (e) {
e.message = augmentTimeoutError(e.message, tracker);
throw e;
if (opt.fastFail) {
throw e;
} else {
console.log(`🔥 failed to crawl page: ${pageUrl}`, e);
skipPage = true;
}
} finally {
tracker.dispose();
}
if (options.waitFor) await page.waitFor(options.waitFor);
if (options.crawl) {
const links = await getLinks({ page });
links.forEach(addToQueue);
if (skipPage == false) {
if (options.waitFor) await page.waitFor(options.waitFor);
if (options.crawl) {
const links = await getLinks({ page });
links.forEach(addToQueue);
}
afterFetch && (await afterFetch({ page, route, browser, addToQueue }));
}
afterFetch && (await afterFetch({ page, route, browser, addToQueue }));
await page.close();
console.log(`✅ crawled ${processed + 1} out of ${enqued} (${route})`);
} catch (e) {
Expand Down