mirror of
https://github.com/fluencelabs/js-libp2p-utils
synced 2025-04-25 23:02:26 +00:00
31 lines
610 B
JavaScript
31 lines
610 B
JavaScript
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'use strict'
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const multiaddr = require('multiaddr')
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const { Address4, Address6 } = require('ip-address')
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module.exports = (ip, port) => {
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if (typeof ip !== 'string') {
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throw new Error('invalid ip')
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}
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port = parseInt(port)
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if (isNaN(port)) {
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throw new Error('invalid port')
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}
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if (new Address4(ip).isValid()) {
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return multiaddr(`/ip4/${ip}/tcp/${port}`)
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}
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const ip6 = new Address6(ip)
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if (ip6.isValid()) {
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return ip6.is4()
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? multiaddr(`/ip4/${ip6.to4().correctForm()}/tcp/${port}`)
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: multiaddr(`/ip6/${ip}/tcp/${port}`)
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}
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throw new Error('invalid ip')
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}
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