crawlee
NectarJS
crawlee | NectarJS | |
---|---|---|
29 | 6 | |
12,222 | 3,540 | |
3.5% | 0.5% | |
9.8 | 0.0 | |
2 days ago | over 1 year ago | |
TypeScript | C++ | |
Apache License 2.0 | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
crawlee
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How to scrape Amazon products
In this guide, we'll be extracting information from Amazon product pages using the power of TypeScript in combination with the Cheerio and Crawlee libraries. We'll explore how to retrieve and extract detailed product data such as titles, prices, image URLs, and more from Amazon's vast marketplace. We'll also discuss handling potential blocking issues that may arise during the scraping process.
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Automating Data Collection with Apify: From Script to Deployment
Previously, the Apify SDK offered a blend of crawling functionalities and Actor building features. However, a recent update separated these functionalities into two distinct libraries: Crawlee and Apify SDK v3. Crawlee now houses the web scraping and crawling tools, while Apify SDK v3 focuses solely on features specific to building Actors for the Apify platform. This distinction allows for a clear separation of concerns and enhances the development experience for various use cases.
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Launching Crawlee Blog: Your Node.js resource hub for web scraping and automation.
v3.1 added an error tracker for analyzing and summarizing failed requests.
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Anything like scrapy in other languages?
Closest I found was https://crawlee.dev/ for Javascript/Typescript although still seems not on the level of scrapy. I didn't try it.
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What is Playwright?
Also, you can go even further and develop your own web scraper with Crawlee, a Node.js library that helps you pass those challenges automatically using Puppeteer or Playwright. Crawlee helps you build reliable scrapers fast. Quickly scrape data, store it, and avoid getting blocked with headless browsers, smart proxy rotation, and auto-generated human-like headers and fingerprints.
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Best web scraping framework to learn
https://crawlee.dev/ its very good, you can easily run your spiders in cloud with apify, and nodejs/puppeteer has many advantages than python/selenium
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Deep diving into Apify world
Apify is a platform for web scraping that helps the developer starting from the coding, having developed its open-source NodeJs library for web scraping called Crawlee. Then on their platform, you can run and monitor the scrapers and also finally sell your scrapers in their store.
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Build and run your Python web scrapers in the cloud with Apify SDK for Python
You can use our open source tools (not only this one, but also Crawlee for example) to build your scrapers and run them on your computer, and then if you need to run them in the cloud, you can upload them to the Apify platform and run them there. Our free tier is good enough for smaller web scraping and automation projects, and if you need more compute resources or proxies, you can go for one of our paid tiers.
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How to scrape the web with Puppeteer in 2023
Comfortable scraping and crawling with Puppeteer is better done together with another library. This library is called Crawlee, and it's also free and open-source, just like Puppeteer. Crawlee wraps Puppeteer and grants access to all of Puppeteer's functionality, but also provides useful crawling and scraping tools like error handling, queue management, storages, proxies or fingerprints out of the box.
- What's the most advanced, best maintained, most fully featured web scraper for node.js
NectarJS
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Is it nearly impossible to make a TypeScript to binary complier?
The first google result for "JS to binary" was this: https://github.com/NerdLang/nerd, you might try to give it a spin. However these kinds of solutions come with a lot of caveats as of how to handle stdio, memory, and many other things that other languages, such as C and Go, handle natively as part of their stdlib...
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An experiment with transpiling JavaScript to C++
for anyone else interested in approaches to this here's another abandoned attempt to transpile js to c https://github.com/NectarJS/nectarjs
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JS Funny Interview / "Should you learn JS...Nope...Is there any other option....Nope"
The question is just whether there's sufficient purpose and value for that. https://github.com/NectarJS/nectarjs
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Ask HN: Why is there no Django/Rails equivalent in JavaScript world?
Rails/Ruby performance has improved:
https://medium.com/retention-science/ruby-is-still-a-diamond...
Alhough, compiling Javascript to binary makes code even faster https://nectar.js.org , although I wish that project would get more love with bugfixes https://github.com/NectarJS/nectarjs/issues
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JS OOP Question ?
Technically speaking, this is bollocks. You can compile javascript to machine code for Windows, Mac, and Linux if you so choose, there is even a compiler for arduino, which quite obviously does not and cannot run a javascript interpreter. The point is that, in our modern world, there is no such thing as a scripting language. Virtually any language can be compiled to bytecode to run in the Java JVM, and many (even surprising ones like javascript) can be compiled AOT to native machine code.
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JS To WASM - Part 2
Object pascal to JS? Why not just write JS directly? Can you leverage Lazarus? For JS to WASM, there's NectarJs https://github.com/NectarJS/nectarjs but docs appear to be nonexistent :(
What are some alternatives?
awesome-puppeteer - A curated list of awesome puppeteer resources.
diod - A very opinionated inversion of control (IoC) container and dependency injector for Typescript, Node.js or browser apps.
rdflib.js - Linked Data API for JavaScript
vulcan-next - The Next starter for GraphQL developers
jirax - :sunglasses: :computer: Simple and flexible CLI Tool for your daily JIRA activity (supported on all OSes)
pwa-asset-generator - Automates PWA asset generation and image declaration. Automatically generates icon and splash screen images, favicons and mstile images. Updates manifest.json and index.html files with the generated images according to Web App Manifest specs and Apple Human Interface guidelines.
teachcode - A tool to develop and improve a student’s programming skills by introducing the earliest lessons of coding.
PrivMX JS Crypto Lib - Javascript crypto library ...
chef-express - Command Line Interface Static Files Server written in TypeScript for Single Page Applications serving in Node with Express
undetected-chromedriver - Custom Selenium Chromedriver | Zero-Config | Passes ALL bot mitigation systems (like Distil / Imperva/ Datadadome / CloudFlare IUAM)
zeit - Clock and task scheduler for node.js applications, providing extensive control of time and callback scheduling in prod and test code