108 lines
4.7 KiB
Markdown
108 lines
4.7 KiB
Markdown
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[![codecov]](https://codecov.io/github/beaugunderson/ip-address?branch=master)
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[![downloads]](https://www.npmjs.com/package/ip-address)
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[![npm]](https://www.npmjs.com/package/ip-address)
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[![snyk]](https://snyk.io/test/github/beaugunderson/ip-address)
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[codecov]: https://codecov.io/github/beaugunderson/ip-address/coverage.svg?branch=master
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[downloads]: https://img.shields.io/npm/dm/ip-address.svg
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[npm]: https://img.shields.io/npm/v/ip-address.svg
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[snyk]: https://snyk.io/test/github/beaugunderson/ip-address/badge.svg
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## ip-address
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`ip-address` is a library for validating and manipulating IPv4 and IPv6
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addresses in JavaScript.
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### Migrating from 6.x to 7.x
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`ip-address` was rewritten in TypeScript for version 7. If you were using
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version 6 you'll need to make these changes to upgrade:
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- Instead of checking `isValid()`, which has been removed, you'll need to use a
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`try`/`catch` if you're accepting unknown input. This made the TypeScript
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types substantially easier as well as allowed the use of an `AddressError`
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class which will contain a `parseMessage` if an error occurred in the parsing
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step.
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- Instead of using the `error`, `parseError`, and `valid` attributes you'll
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need to use the `message` and `parseMessage` of the thrown `AddressError`.
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### Documentation
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Documentation is available at [ip-address.js.org](http://ip-address.js.org/).
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### Examples
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```js
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var Address6 = require('ip-address').Address6;
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var address = new Address6('2001:0:ce49:7601:e866:efff:62c3:fffe');
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var teredo = address.inspectTeredo();
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teredo.client4; // '157.60.0.1'
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```
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### Features
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- Usable via CommonJS or ESM
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- Parsing of all IPv6 notations
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- Parsing of IPv6 addresses and ports from URLs with `Address6.fromURL(url)`
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- Validity checking
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- Decoding of the [Teredo
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information](http://en.wikipedia.org/wiki/Teredo_tunneling#IPv6_addressing)
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in an address
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- Whether one address is a valid subnet of another
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- What special properties a given address has (multicast prefix, unique
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local address prefix, etc.)
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- Number of subnets of a certain size in a given address
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- Display methods
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- Hex, binary, and decimal
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- Canonical form
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- Correct form
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- IPv4-compatible (i.e. `::ffff:192.168.0.1`)
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- Works in [node](http://nodejs.org/) and the browser (with browserify)
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- ~1,600 test cases
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### Used by
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- [anon](https://github.com/edsu/anon) which powers
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[@congressedits](https://twitter.com/congressedits), among
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[many others](https://github.com/edsu/anon#community)
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- [base85](https://github.com/noseglid/base85): base85 encoding/decoding
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- [contrail-web-core](https://github.com/Juniper/contrail-web-core): part of
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Contrail, a network virtualization solution made by Juniper Networks
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- [dhcpjs](https://github.com/apaprocki/node-dhcpjs): a DHCP client and server
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- [epochtalk](https://github.com/epochtalk/epochtalk): next generation forum
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software
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- [geoip-web](https://github.com/tfrce/node-geoip-web): a server for
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quickly geolocating IP addresses
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- [hexabus](https://github.com/mysmartgrid/hexabus): an IPv6-based home
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automation bus
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- [hubot-deploy](https://github.com/atmos/hubot-deploy): GitHub Flow via hubot
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- [heroku-portscanner](https://github.com/robison/heroku-portscanner): nmap
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hosted on Heroku
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- [ipfs-swarm](https://github.com/diasdavid/node-ipfs-swarm): a swarm
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implementation based on IPFS
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- [javascript-x-server](https://github.com/GothAck/javascript-x-server): an X
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server written in JavaScript
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- [libnmap](https://github.com/jas-/node-libnmap): a node API for nmap
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- [mail-io](https://github.com/mofux/mail-io): a lightweight SMTP server
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- [maxmind-db-reader](https://github.com/PaddeK/node-maxmind-db): a library for
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reading MaxMind database files
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- [proxy-protocol-v2](https://github.com/ably/proxy-protocol-v2): a proxy
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protocol encoder/decoder built by [Ably](https://www.ably.io/)
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- [Samsara](https://github.com/mariusGundersen/Samsara): a Docker web interface
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- [sis-api](https://github.com/sis-cmdb/sis-api): a configuration management
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database API
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- [socks5-client](https://github.com/mattcg/socks5-client): a SOCKS v5 client
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- [socksified](https://github.com/vially/node-socksified): a SOCKS v5 client
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- [socksv5](https://github.com/mscdex/socksv5): a SOCKS v5 server/client
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- [ssdapi](https://github.com/rsolomou/ssdapi): an API created by the
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University of Portsmouth
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- [SwitchyOmega](https://github.com/FelisCatus/SwitchyOmega): a [Chrome
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extension](https://chrome.google.com/webstore/detail/padekgcemlokbadohgkifijomclgjgif)
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for switching between multiple proxies with ~311k users!
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- [swiz](https://github.com/racker/node-swiz): a serialization framework built
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and used by [Rackspace](http://www.rackspace.com/)
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