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Web scraper written on TypeScript
It is a webscraper which can be extendable to do multiple tasks on scraped content. It propogates through the links it finds in the page. It makes use of ts-jobrunner
library to run everything in terms of jobs.
npm install --save ts-scraper
CoreScraper(abstract)
- protected init(): void
- protected canFetchUrl(url): boolean
- protected createJob(link): CoreJob
- protected onFetchComplete(link, response): void
- public start(): void
PageScraper(abstract)
- public async start()
- public abstract parse(jquery: JQuery): any;
ScrapeJob(abstract)
- public run()
- abstract createPageScraper(url: string): PageScraper
CoreScraper
, PageScraper
and ScrapeJob
.ScrapeJob
extends CoreJob from ts-jobrunner
library. Its object exposes function createPageScraper(url)
which creates PageScraper
which actally mines/scrapes the page.PageScraper
exposes a function parse($)
which takes jQuery object. You can mine the page as your wish and return the parsed responseCoreScraper
is the main object which runs the scraping process. Its object has to have above mentioned functions.
init()
all initiations can be put herecanFetchUrl(url)
should tell whether to fetch the found link url
createJob(link)
should return a CoreJob
type job, which then be queuedonFetchComplete(link, response)
will get triggered when a ScrapeJob
job is completed ie., when a PageScraper
is done. You can have code which handles the response returned by PageScraper
herestart()
will actually the scraping process (start()
on JobRunner
)Please find example usage in src/test/test-scraper
folder
Suggestions and contributions are open. Happy coding :)
FAQs
Scarp links present in the website recursively
The npm package ts-scraper receives a total of 3 weekly downloads. As such, ts-scraper popularity was classified as not popular.
We found that ts-scraper demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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