'Web Scraping Sites With Session Cookie Authentication Using NodeJS Request' webscraping nodejs
libraries. Someone may wonder if this sounds like 'to crack a nut with a sledgehammer, and wouldn't it be easier to use interpolation.
NodeJS canonical methods are used to work with parameters of routes and URL requests for two reasons:To instill good practices, they must be used every day.contains the Crawler class for sending requests to the web server and receiving web page markupcontains the Parser class with methods for scraping the markup and getting the target data
/project_root |__ /src | |__ /constants | | |__ categories.js | |__ /helpers | | |__ cookie-manager.js | | |__ cookie-storage.js | | |__ target-builder.js ****| |__ **crawler.js** | |__ **parser.js** |**__** .env |__ **index.js**that will pass URL links to the Crawler in turn and receive parsed data:
// index.js const crawler=new Crawler; => { // getting Cookie proccess // and url-links array... const { length: L }=targetUrls; // run a loop through the length of the array of url links for ; const Title=this.getTitle; const CurrentPrice=this.getCurrentPrice; // if two key values are missing, such object is rejected if return {}; return { Title, CurrentPrice, Currency: this.getCurrency, isNew: this.isNew, }; }) .
The result of the crawler and the parser work will be 8 arrays with objects inside, passed back to the for loop of the
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