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encodeurl

Encode a URL to a percent-encoded form, excluding already-encoded sequences

    1.0.2latest
    GitHub
    npm

Version published
Maintainers
1
Weekly downloads
27,311,313
increased by9.39%

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encodeurl

NPM Version NPM Downloads Node.js Version Build Status Test Coverage

Encode a URL to a percent-encoded form, excluding already-encoded sequences

Installation

This is a Node.js module available through the npm registry. Installation is done using the npm install command:

$ npm install encodeurl

API

var encodeUrl = require('encodeurl')

encodeUrl(url)

Encode a URL to a percent-encoded form, excluding already-encoded sequences.

This function will take an already-encoded URL and encode all the non-URL code points (as UTF-8 byte sequences). This function will not encode the "%" character unless it is not part of a valid sequence (%20 will be left as-is, but %foo will be encoded as %25foo).

This encode is meant to be "safe" and does not throw errors. It will try as hard as it can to properly encode the given URL, including replacing any raw, unpaired surrogate pairs with the Unicode replacement character prior to encoding.

This function is similar to the intrinsic function encodeURI, except it will not encode the % character if that is part of a valid sequence, will not encode [ and ] (for IPv6 hostnames) and will replace raw, unpaired surrogate pairs with the Unicode replacement character (instead of throwing).

Examples

Encode a URL containing user-controled data

var encodeUrl = require('encodeurl') var escapeHtml = require('escape-html') http.createServer(function onRequest (req, res) { // get encoded form of inbound url var url = encodeUrl(req.url) // create html message var body = '<p>Location ' + escapeHtml(url) + ' not found</p>' // send a 404 res.statusCode = 404 res.setHeader('Content-Type', 'text/html; charset=UTF-8') res.setHeader('Content-Length', String(Buffer.byteLength(body, 'utf-8'))) res.end(body, 'utf-8') })

Encode a URL for use in a header field

var encodeUrl = require('encodeurl') var escapeHtml = require('escape-html') var url = require('url') http.createServer(function onRequest (req, res) { // parse inbound url var href = url.parse(req) // set new host for redirect href.host = 'localhost' href.protocol = 'https:' href.slashes = true // create location header var location = encodeUrl(url.format(href)) // create html message var body = '<p>Redirecting to new site: ' + escapeHtml(location) + '</p>' // send a 301 res.statusCode = 301 res.setHeader('Content-Type', 'text/html; charset=UTF-8') res.setHeader('Content-Length', String(Buffer.byteLength(body, 'utf-8'))) res.setHeader('Location', location) res.end(body, 'utf-8') })

Testing

$ npm test $ npm run lint

References

License

MIT

Keywords

FAQs

Last updated on 22 Jan 2018

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