chore: udpate deps

Author: achingbrain

package.json

@@ -37,7 +37,7 @@
   },
   "homepage": "https://github.com/ipfs/js-ipfs-unixfs-importer#readme",
   "devDependencies": {
-    "aegir": "^19.0.3",
+    "aegir": "^20.0.0",
     "async-iterator-buffer-stream": "^1.0.0",
     "async-iterator-last": "^1.0.0",
     "chai": "^4.2.0",
@@ -57,7 +57,7 @@
     "async-iterator-first": "^1.0.0",
     "bl": "^3.0.0",
     "deep-extend": "~0.6.0",
-    "err-code": "^1.1.2",
+    "err-code": "^2.0.0",
     "hamt-sharding": "~0.0.2",
     "ipfs-unixfs": "~0.1.16",
     "ipld-dag-pb": "^0.18.0",

src/dag-builder/dir.js

@@ -10,7 +10,7 @@ const dirBuilder = async (item, ipld, options) => {
   const unixfs = new UnixFS('directory')
   const node = new DAGNode(unixfs.marshal(), [])
   const cid = await persist(node, ipld, options)
-  let path = item.path
+  const path = item.path
 
   return {
     cid,

src/dag-builder/file/index.js

@@ -25,7 +25,7 @@ async function * buildFile (source, ipld, options) {
     let node
     let unixfs
 
-    let opts = {
+    const opts = {
       ...options
     }
 

test/chunker-fixed-size.spec.js

@@ -63,7 +63,7 @@ describe('chunker: fixed size', function () {
 
   it('256 KiB chunks of non scalar filesize', async () => {
     const KiB256 = 262144
-    let file = Buffer.concat([rawFile, Buffer.from('hello')])
+    const file = Buffer.concat([rawFile, Buffer.from('hello')])
 
     const chunks = await all(chunker([file], {
       maxChunkSize: KiB256

test/chunker-rabin.spec.js

@@ -68,7 +68,7 @@ describe('chunker: rabin', function () {
 
   it('256 KiB avg chunks of non scalar filesize', async () => {
     const KiB256 = 262144
-    let file = Buffer.concat([rawFile, Buffer.from('hello')])
+    const file = Buffer.concat([rawFile, Buffer.from('hello')])
     const opts = {
       ...defaultOptions,
       minChunkSize: KiB256 / 3,
@@ -114,7 +114,7 @@ describe('chunker: rabin', function () {
   })
 
   it('uses the min chunk size when max and avg are too small', async () => {
-    let file = Buffer.concat([rawFile, Buffer.from('hello')])
+    const file = Buffer.concat([rawFile, Buffer.from('hello')])
     const opts = {
       ...defaultOptions,
       minChunkSize: 100,