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Follow URL Redirects with Node.js

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[前端(javascript) 所属分类 前端(javascript) | 发布者 店小二03 | 时间 2017 | 作者 红领巾 ] 0人收藏点击收藏

URLshorteners are a dime a dozen these days, and it is quite nice to have a pretty URL instead of a mile long string, but there are some downsides to URL shorteners: they can mask dangerous URLs and getting to the endpoint can be slow, sinceyou end up making multiple requests. And what if a shortener sold out to a porn company ?! Whoa!

A whileback Iwrote a post about following URLsfrom command line withcURL . Since I love javascript and Node.js is in full flight, I want to show you linkfollower , a Node.js utility for following URL redirects and gettingthe final landing URL.

Start by installing linkfollower :

yarn add linkfollower
# or `npm install linkfollower`

With linkfollower installed globally, we can use the follow command to follow the series ofredirects until the final URL:

# follow {url}
follow http://davidwalsh.name/css
# RESULT:
# http://davidwalsh.name/css -> 301
# https://davidwalsh.name/css -> 301
# https://davidwalsh.name/css-animation-callback -> 200

URL shorteners can be likened to a blindfold -- the promise of going one place but possible end up in another. Using linkfollower is a good practiceif you care to be secure with links.

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