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@crawlee/types - npm Package Compare versions

Comparing version 3.0.0-beta.11 to 3.0.0-beta.12

2

package.json
{
"name": "@crawlee/types",
"version": "3.0.0-beta.11",
"version": "3.0.0-beta.12",
"description": "Shared types for the crawlee projects",

@@ -5,0 +5,0 @@ "engines": {

@@ -10,7 +10,7 @@ # Crawlee: The scalable web crawling and scraping library for JavaScript

Apify SDK simplifies the development of web crawlers, scrapers, data extractors and web automation jobs.
Crawlee simplifies the development of web crawlers, scrapers, data extractors and web automation jobs.
It provides tools to manage and automatically scale a pool of headless browsers,
to maintain queues of URLs to crawl, store crawling results to a local filesystem or into the cloud,
rotate proxies and much more.
The SDK is available as the [`apify`](https://www.npmjs.com/package/apify) NPM package.
The SDK is available as the [`crawlee`](https://www.npmjs.com/package/crawlee) NPM package.
It can be used either stand-alone in your own applications

@@ -20,5 +20,5 @@ or in [actors](https://docs.apify.com/actor)

**View full documentation, guides and examples on the [Apify SDK project website](https://sdk.apify.com)**
**View full documentation, guides and examples on the [Crawlee project website](https://apify.github.io/apify-ts/)**
> Would you like to work with us on Apify SDK or similar projects? [We are hiring!](https://apify.com/jobs#senior-node.js-engineer)
> Would you like to work with us on Crawlee or similar projects? [We are hiring!](https://apify.com/jobs#senior-node.js-engineer)

@@ -40,3 +40,3 @@ ## Motivation

The goal of the Apify SDK is to fill this gap and provide a toolbox for generic web scraping, crawling and automation tasks in JavaScript. So don't
The goal of Crawlee is to fill this gap and provide a toolbox for generic web scraping, crawling and automation tasks in JavaScript. So don't
reinvent the wheel every time you need data from the web, and focus on writing code specific to the target website, rather than developing

@@ -47,25 +47,27 @@ commonalities.

The Apify SDK is available as the [`apify`](https://www.npmjs.com/package/apify) NPM package and it provides the following tools:
Crawlee is available as the [`crawlee`](https://www.npmjs.com/package/crawlee) NPM package and is also available via `@crawlee/*` packages. It provides the following tools:
- [`CheerioCrawler`](https://sdk.apify.com/docs/api/cheerio-crawler) - Enables the parallel crawling of a large
[//]: # (TODO add links to the docs about `@crawlee/` packages and the `crawlee` metapackage)
- [`CheerioCrawler`](https://apify.github.io/apify-ts/api/cheerio-crawler/class/CheerioCrawler) - Enables the parallel crawling of a large
number of web pages using the [cheerio](https://www.npmjs.com/package/cheerio) HTML parser. This is the most
efficient web crawler, but it does not work on websites that require JavaScript.
- [`PuppeteerCrawler`](https://sdk.apify.com/docs/api/puppeteer-crawler) - Enables the parallel crawling of
- [`PuppeteerCrawler`](https://apify.github.io/apify-ts/api/puppeteer-crawler/class/PuppeteerCrawler) - Enables the parallel crawling of
a large number of web pages using the headless Chrome browser and [Puppeteer](https://github.com/puppeteer/puppeteer).
The pool of Chrome browsers is automatically scaled up and down based on available system resources.
- [`PlaywrightCrawler`](https://sdk.apify.com/docs/api/playwright-crawler) - Unlike `PuppeteerCrawler`
- [`PlaywrightCrawler`](https://apify.github.io/apify-ts/api/playwright-crawler/class/PlaywrightCrawler) - Unlike `PuppeteerCrawler`
you can use [Playwright](https://github.com/microsoft/playwright) to manage almost any headless browser.
It also provides a cleaner and more mature interface while keeping the ease of use and advanced features.
- [`BasicCrawler`](https://sdk.apify.com/docs/api/basic-crawler) - Provides a simple framework for the parallel
- [`BasicCrawler`](https://apify.github.io/apify-ts/api/basic-crawler/class/BasicCrawler) - Provides a simple framework for the parallel
crawling of web pages whose URLs are fed either from a static list or from a dynamic queue of URLs. This class
serves as a base for the more specialized crawlers above.
- [`RequestList`](https://sdk.apify.com/docs/api/request-list) - Represents a list of URLs to crawl.
- [`RequestList`](https://apify.github.io/apify-ts/api/core/class/RequestList) - Represents a list of URLs to crawl.
The URLs can be passed in code or in a text file hosted on the web. The list persists its state so that crawling
can resume when the Node.js process restarts.
- [`RequestQueue`](https://sdk.apify.com/docs/api/request-queue) - Represents a queue of URLs to crawl,
- [`RequestQueue`](https://apify.github.io/apify-ts/api/core/class/RequestQueue) - Represents a queue of URLs to crawl,
which is stored either on a local filesystem or in the [Apify Cloud](https://apify.com). The queue is used

@@ -75,25 +77,22 @@ for deep crawling of websites, where you start with several URLs and then recursively follow links to other pages.

- [`Dataset`](https://sdk.apify.com/docs/api/dataset) - Provides a store for structured data and enables their export
- [`Dataset`](https://apify.github.io/apify-ts/api/core/class/Dataset) - Provides a store for structured data and enables their export
to formats like JSON, JSONL, CSV, XML, Excel or HTML. The data is stored on a local filesystem or in the Apify Cloud.
Datasets are useful for storing and sharing large tabular crawling results, such as a list of products or real estate offers.
- [`KeyValueStore`](https://sdk.apify.com/docs/api/key-value-store) - A simple key-value store for arbitrary data
- [`KeyValueStore`](https://apify.github.io/apify-ts/api/core/class/KeyValueStore) - A simple key-value store for arbitrary data
records or files, along with their MIME content type. It is ideal for saving screenshots of web pages, PDFs
or to persist the state of your crawlers. The data is stored on a local filesystem or in the Apify Cloud.
- [`AutoscaledPool`](https://sdk.apify.com/docs/api/autoscaled-pool) - Runs asynchronous background tasks,
- [`AutoscaledPool`](https://apify.github.io/apify-ts/api/core/class/AutoscaledPool) - Runs asynchronous background tasks,
while automatically adjusting the concurrency based on free system memory and CPU usage. This is useful for running
web scraping tasks at the maximum capacity of the system.
- [`Browser Utils`](https://sdk.apify.com/docs/api/puppeteer) - Provides several helper functions useful
for web scraping. For example, to inject jQuery into web pages or to hide browser origin.
Additionally, the package provides various helper functions to simplify running your code on the Apify Cloud and thus
take advantage of its pool of proxies, job scheduler, data storage, etc.
For more information, see the [Apify SDK Programmer's Reference](https://sdk.apify.com).
For more information, see the [Crawlee Programmer's Reference](https://apify.github.io/apify-ts/).
## Quick Start
This short tutorial will set you up to start using Apify SDK in a minute or two.
If you want to learn more, proceed to the [Getting Started](https://sdk.apify.com/docs/guides/getting-started)
This short tutorial will set you up to start using Crawlee in a minute or two.
If you want to learn more, proceed to the [Getting Started](https://apify.github.io/apify-ts/docs/guides/getting-started)
tutorial that will take you step by step through creating your first scraper.

@@ -103,50 +102,38 @@

Apify SDK requires [Node.js](https://nodejs.org/en/) 15.10 or later.
Add Apify SDK to any Node.js project by running:
Crawlee requires [Node.js](https://nodejs.org/en/) 16 or later.
Add Crawlee to any Node.js project by running:
```bash
npm install apify playwright
npm install @crawlee/playwright playwright
```
> Neither `playwright` nor `puppeteer` are bundled with the SDK to reduce install size and allow greater
> flexibility. That's why we install it with NPM. You can choose one, both, or neither.
> Neither `playwright` nor `puppeteer` are bundled with the SDK to reduce install size and allow greater flexibility. That's why we install it with NPM. You can choose one, both, or neither.
Run the following example to perform a recursive crawl of a website using Playwright. For more examples showcasing various features of the Apify SDK,
[see the Examples section of the documentation](https://sdk.apify.com/docs/examples/crawl-multiple-urls).
Run the following example to perform a recursive crawl of a website using Playwright. For more examples showcasing various features of Crawlee,
[see the Examples section of the documentation](https://apify.github.io/apify-ts/docs/examples/crawl-multiple-urls).
```javascript
const Apify = require('apify');
import { PlaywrightCrawler } from '@crawlee/playwright';
// Apify.main is a helper function, you don't need to use it.
Apify.main(async () => {
const requestQueue = await Apify.openRequestQueue();
// Choose the first URL to open.
await requestQueue.addRequest({ url: 'https://www.iana.org/' });
const crawler = new PlaywrightCrawler({
async requestHandler({ request, page, enqueueLinks }) {
// Extract HTML title of the page.
const title = await page.title();
console.log(`Title of ${request.url}: ${title}`);
const crawler = new Apify.PlaywrightCrawler({
requestQueue,
handlePageFunction: async ({ request, page }) => {
// Extract HTML title of the page.
const title = await page.title();
console.log(`Title of ${request.url}: ${title}`);
// Add URLs from the same subdomain.
await enqueueLinks();
},
});
// Add URLs that match the provided pattern.
await Apify.utils.enqueueLinks({
page,
requestQueue,
pseudoUrls: ['https://www.iana.org/[.*]'],
});
},
});
await crawler.run();
});
// Choose the first URL to open and run the crawler.
await crawler.addRequests(['https://www.iana.org/']);
await crawler.run();
```
When you run the example, you should see Apify SDK automating a Chrome browser.
When you run the example, you should see Crawlee automating a Chrome browser.
![Chrome Scrape](https://sdk.apify.com/img/chrome_scrape.gif)
![Chrome Scrape](https://apify.github.io/apify-ts/img/chrome_scrape.gif)
By default, Apify SDK stores data to `./apify_storage` in the current working directory. You can override this behavior by setting either the
`APIFY_LOCAL_STORAGE_DIR` or `APIFY_TOKEN` environment variable. For details, see [Environment variables](https://sdk.apify.com/docs/guides/environment-variables), [Request storage](https://sdk.apify.com/docs/guides/request-storage) and [Result storage](https://sdk.apify.com/docs/guides/result-storage).
By default, Crawlee stores data to `./crawlee_storage` in the current working directory. You can override this directory via `CRAWLEE_STORAGE_DIR` env var. For details, see [Environment variables](https://apify.github.io/apify-ts/docs/guides/environment-variables), [Request storage](https://apify.github.io/apify-ts/docs/guides/request-storage) and [Result storage](https://apify.github.io/apify-ts/docs/guides/result-storage).

@@ -156,3 +143,3 @@ ### Local usage with Apify command-line interface (CLI)

To avoid the need to set the environment variables manually, to create a boilerplate of your project, and to enable pushing and running your code on
the [Apify platform](https://sdk.apify.com/docs/guides/apify-platform), you can use the [Apify command-line interface (CLI)](https://github.com/apify/apify-cli) tool.
the [Apify platform](https://apify.github.io/apify-ts/docs/guides/apify-platform), you can use the [Apify command-line interface (CLI)](https://github.com/apify/apify-cli) tool.

@@ -197,3 +184,3 @@ Install the CLI by running:

You can also develop your web scraping project in an online code editor directly on the [Apify platform](https://sdk.apify.com/docs/guides/apify-platform).
You can also develop your web scraping project in an online code editor directly on the [Apify platform](https://apify.github.io/apify-ts/docs/guides/apify-platform).
You'll need to have an Apify Account. Go to [Actors](https://console.apify.com/actors), page in the Apify Console, click <i>Create new</i>

@@ -206,3 +193,3 @@ and then go to the <i>Source</i> tab and start writing your code or paste one of the examples from the Examples section.

If you find any bug or issue with the Apify SDK, please [submit an issue on GitHub](https://github.com/apify/apify-js/issues).
If you find any bug or issue with Crawlee, please [submit an issue on GitHub](https://github.com/apify/apify-js/issues).
For questions, you can ask on [Stack Overflow](https://stackoverflow.com/questions/tagged/apify) or contact support@apify.com

@@ -209,0 +196,0 @@

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