chore: remove ipld formats re-export (#1626)

Prior to this change the `ipld-dag-cbor` and `ipld-dag-pb` modules
are re-exported so that can be accessed within the Browser bundle.
Those modules normally don't need to be used directly, they are
kind of implementation details of IPLD. Hence remove them.

Now `ipld-dag-cbor` isn't a direct dependency of `jsipfs` anymore.

BREAKING CHANGE: remove `types.dagCBOR` and `types.dagPB` from public API

If you need the `ipld-dag-cbor` or `ipld-dag-pb` module in the Browser,
you need to bundle them yourself.

package.json

@@ -109,7 +109,6 @@
     "ipfs-unixfs": "~0.1.15",
     "ipfs-unixfs-engine": "~0.32.3",
     "ipld": "~0.17.3",
-    "ipld-dag-cbor": "~0.12.1",
     "ipld-dag-pb": "~0.14.6",
     "ipns": "~0.3.0",
     "is-ipfs": "~0.4.2",

src/core/index.js

@@ -4,8 +4,6 @@ const BlockService = require('ipfs-block-service')
 const Ipld = require('ipld')
 const PeerId = require('peer-id')
 const PeerInfo = require('peer-info')
-const dagCBOR = require('ipld-dag-cbor')
-const dagPB = require('ipld-dag-pb')
 const crypto = require('libp2p-crypto')
 const isIPFS = require('is-ipfs')
 const multiaddr = require('multiaddr')
@@ -74,9 +72,7 @@ class IPFS extends EventEmitter {
       multiaddr: multiaddr,
       multibase: multibase,
       multihash: multihash,
-      CID: CID,
-      dagPB: dagPB,
-      dagCBOR: dagCBOR
+      CID: CID
     }
 
     // IPFS Core Internals

test/core/init.spec.js

@@ -10,8 +10,6 @@ const isNode = require('detect-node')
 const hat = require('hat')
 const PeerId = require('peer-id')
 const PeerInfo = require('peer-info')
-const dagCBOR = require('ipld-dag-cbor')
-const dagPB = require('ipld-dag-pb')
 const crypto = require('libp2p-crypto')
 const isIPFS = require('is-ipfs')
 const multiaddr = require('multiaddr')
@@ -122,9 +120,7 @@ describe('init', () => {
       multiaddr: multiaddr,
       multibase: multibase,
       multihash: multihash,
-      CID: CID,
-      dagPB: dagPB,
-      dagCBOR: dagCBOR
+      CID: CID
     })
   })