feat: provide access to multicodec (#1921)

resolves #1913

License: MIT
Signed-off by: Nitin Patel <nitinpatel278@gmail.com>

Author: niinpatel

README.md

@@ -665,6 +665,7 @@ Aside from the default export, `ipfs` exports various types and utilities that a
 - [`multiaddr`](https://www.npmjs.com/package/multiaddr)
 - [`multibase`](https://www.npmjs.com/package/multibase)
 - [`multihash`](https://www.npmjs.com/package/multihash)
+- [`multicodec`](https://www.npmjs.com/package/multicodec)
 - [`CID`](https://www.npmjs.com/package/cids)
 
 These can be accessed like this, for example:

package.json

@@ -146,6 +146,7 @@
     "multiaddr": "^6.0.0",
     "multiaddr-to-uri": "^4.0.1",
     "multibase": "~0.6.0",
+    "multicodec": "~0.5.0",
     "multihashes": "~0.4.14",
     "multihashing-async": "~0.5.1",
     "node-fetch": "^2.3.0",
@@ -294,4 +295,4 @@
     "Łukasz Magiera <magik6k@users.noreply.github.com>",
     "Максим Ильин <negamaxi@gmail.com>"
   ]
-}
+}

src/core/index.js

@@ -10,6 +10,7 @@ const multiaddr = require('multiaddr')
 const multihash = require('multihashes')
 const PeerBook = require('peer-book')
 const multibase = require('multibase')
+const multicodec = require('multicodec')
 const CID = require('cids')
 const debug = require('debug')
 const defaultsDeep = require('@nodeutils/defaults-deep')
@@ -175,7 +176,7 @@ class IPFS extends EventEmitter {
 
 module.exports = IPFS
 
-Object.assign(module.exports, { crypto, isIPFS, Buffer, CID, multiaddr, multibase, multihash, PeerId, PeerInfo })
+Object.assign(module.exports, { crypto, isIPFS, Buffer, CID, multiaddr, multibase, multihash, multicodec, PeerId, PeerInfo })
 
 module.exports.createNode = (options) => {
   return new IPFS(options)

test/core/exports.spec.js

@@ -7,6 +7,7 @@ const CID = require('cids')
 const multiaddr = require('multiaddr')
 const multibase = require('multibase')
 const multihash = require('multihashes')
+const multicodec = require('multicodec')
 const PeerId = require('peer-id')
 const PeerInfo = require('peer-info')
 const chai = require('chai')
@@ -25,6 +26,7 @@ describe('exports', () => {
     expect(Ipfs.multiaddr).to.equal(multiaddr)
     expect(Ipfs.multibase).to.equal(multibase)
     expect(Ipfs.multihash).to.equal(multihash)
+    expect(Ipfs.multicodec).to.equal(multicodec)
     expect(Ipfs.PeerId).to.equal(PeerId)
     expect(Ipfs.PeerInfo).to.equal(PeerInfo)
   })