Introduce @siteimprove/alfa-url
package
#421
Merged
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This pull request introduces a new
@siteimprove/alfa-url
package with an implementation of an immutable URL class modelled on the WHATWG URL specification. An obvious question might be "why not just use the WHATWG URL DOM API?" to which the obvious answer is "well, it kinda does". That is,URL.parse()
relies on the WHATWG URL DOM API for parsing URL strings and extracting URL records. From there, theURL
class also adds some convenience like implementations ofEquatable
,Hashable
, andSerializable
, making it easy to useURL
instances in the various data structures Alfa provides.The caveat to this approach is of course that we now rely on the WHATWG URL specification being implemented by whatever runtime Alfa is used in, which shouldn't really be a problem. It's of course readily available in browsers and is also supported in Node.js 10+ as well as Deno.