This module has utilities for URL resolution and parsing meant to have feature parity with node.js core url module.
var url = require('url');
Parsed URL objects have some or all of the following fields, depending on whether or not they exist in the URL string. Any parts that are not in the URL string will not be in the parsed object. Examples are shown for the URL
'http://user:pass@host.com:8080/p/a/t/h?query=string#hash'
href
: The full URL that was originally parsed. Both the protocol and host are lowercased.
Example: 'http://user:pass@host.com:8080/p/a/t/h?query=string#hash'
protocol
: The request protocol, lowercased.
Example: 'http:'
host
: The full lowercased host portion of the URL, including port
information.
Example: 'host.com:8080'
auth
: The authentication information portion of a URL.
Example: 'user:pass'
hostname
: Just the lowercased hostname portion of the host.
Example: 'host.com'
port
: The port number portion of the host.
Example: '8080'
pathname
: The path section of the URL, that comes after the host and
before the query, including the initial slash if present.
Example: '/p/a/t/h'
search
: The 'query string' portion of the URL, including the leading
question mark.
Example: '?query=string'
path
: Concatenation of pathname
and search
.
Example: '/p/a/t/h?query=string'
query
: Either the 'params' portion of the query string, or a
querystring-parsed object.
Example: 'query=string'
or {'query':'string'}
hash
: The 'fragment' portion of the URL including the pound-sign.
Example: '#hash'
The following methods are provided by the URL module:
Take a URL string, and return an object.
Pass true
as the second argument to also parse
the query string using the querystring
module.
Defaults to false
.
Pass true
as the third argument to treat //foo/bar
as
{ host: 'foo', pathname: '/bar' }
rather than
{ pathname: '//foo/bar' }
. Defaults to false
.
Take a parsed URL object, and return a formatted URL string.
href
will be ignored.protocol
is treated the same with or without the trailing :
(colon).http
, https
, ftp
, gopher
, file
will be
postfixed with ://
(colon-slash-slash).mailto
, xmpp
, aim
, sftp
, foo
, etc will
be postfixed with :
(colon)auth
will be used if present.hostname
will only be used if host
is absent.port
will only be used if host
is absent.host
will be used in place of hostname
and port
pathname
is treated the same with or without the leading /
(slash)search
will be used in place of query
query
(object; see querystring
) will only be used if search
is absent.search
is treated the same with or without the leading ?
(question mark)hash
is treated the same with or without the leading #
(pound sign, anchor)Take a base URL, and a href URL, and resolve them as a browser would for an anchor tag. Examples:
url.resolve('/one/two/three', 'four') // '/one/two/four'
url.resolve('http://example.com/', '/one') // 'http://example.com/one'
url.resolve('http://example.com/one', '/two') // 'http://example.com/two'
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