feat: convert to async/await (#49)

* feat: convert to async/await

BREAKING CHANGES:

1. Everything is now async/await
2. No more callbacks, Readable Streams or Pull Streams
3. `stat` and `ls` commands return `cid` objects instead of string hashes
4. `stat` and `ls` commands return all fields, `hash`, `long` etc options are now ignored

* chore: standardise error codes, use latest cids and ipld formats

* chore: update importer and exporter

* chore: update importer again

* chore: update deps

Author: achingbrain

package.json

@@ -18,7 +18,8 @@
     "release": "aegir release",
     "release-minor": "aegir release --type minor",
     "release-major": "aegir release --type major",
-    "coverage": "aegir coverage"
+    "coverage": "aegir coverage",
+    "dep-check": "aegir dep-check"
   },
   "repository": {
     "type": "git",
@@ -38,41 +39,38 @@
   "homepage": "https://github.com/ipfs/js-ipfs-mfs#readme",
   "devDependencies": {
     "aegir": "^18.0.2",
+    "async-iterator-all": "^1.0.0",
     "chai": "^4.2.0",
     "detect-node": "^2.0.4",
     "detect-webworker": "^1.0.0",
     "dirty-chai": "^2.0.1",
-    "ipld": "~0.21.1",
-    "ipld-in-memory": "^2.0.0",
-    "multihashes": "~0.4.14",
-    "pull-buffer-stream": "^1.0.1",
-    "pull-traverse": "^1.0.3",
+    "ipfs-block-service": "~0.15.2",
+    "ipfs-repo": "~0.26.4",
+    "ipld": "~0.24.0",
+    "memdown": "^4.0.0",
     "temp-write": "^3.4.0"
   },
   "dependencies": {
-    "async": "^2.6.1",
-    "cids": "~0.5.5",
+    "async-iterator-last": "^1.0.0",
+    "boom": "^7.2.0",
+    "cids": "~0.7.1",
     "debug": "^4.1.0",
-    "filereader-stream": "^2.0.0",
+    "err-code": "^1.1.2",
     "hamt-sharding": "~0.0.2",
     "interface-datastore": "~0.6.0",
     "ipfs-multipart": "~0.1.0",
     "ipfs-unixfs": "~0.1.16",
-    "ipfs-unixfs-exporter": "~0.36.1",
-    "ipfs-unixfs-importer": "~0.38.5",
-    "ipld-dag-pb": "~0.15.2",
-    "is-pull-stream": "~0.0.0",
-    "is-stream": "^1.1.0",
+    "ipfs-unixfs-exporter": "~0.37.1",
+    "ipfs-unixfs-importer": "~0.39.3",
+    "ipld-dag-pb": "~0.17.1",
     "joi": "^14.3.0",
     "joi-browser": "^13.4.0",
     "mortice": "^1.2.1",
+    "multicodec": "~0.5.1",
+    "multihashes": "~0.4.14",
     "once": "^1.4.0",
     "promisify-es6": "^1.0.3",
-    "pull-cat": "^1.1.11",
-    "pull-defer": "~0.2.3",
-    "pull-stream": "^3.6.9",
-    "pull-stream-to-stream": "^1.3.4",
-    "stream-to-pull-stream": "^1.7.2"
+    "pull-stream": "^3.6.9"
   },
   "contributors": [
     "Alan Shaw <[email protected]>",

src/cli/flush.js

@@ -2,7 +2,7 @@
 
 const {
   FILE_SEPARATOR
-} = require('../core/utils')
+} = require('../core/utils/constants')
 
 module.exports = {
   command: 'flush [path]',

src/cli/ls.js

@@ -9,7 +9,7 @@ const {
 } = require('./utils')
 const {
   FILE_SEPARATOR
-} = require('../core/utils')
+} = require('../core/utils/constants')
 
 module.exports = {
   command: 'ls [path]',

src/cli/write.js

@@ -109,7 +109,7 @@ module.exports = {
     argv.resolve((async () => {
       const ipfs = await getIpfs()
 
-      return ipfs.files.write(path, process.stdin, {
+      await ipfs.files.write(path, process.stdin, {
         offset,
         length,
         create,