fix: add buffer

.travis.yml

@@ -1,32 +1,41 @@
-# Warning: This file is automatically synced from https://github.com/ipfs/ci-sync so if you want to change it, please change it there and ask someone to sync all repositories.
-sudo: false
 language: node_js
+cache: npm
+stages:
+  - check
+  - test
+  - cov
 
-matrix:
-  include:
-  - node_js: 6
-    env: CXX=g++-4.8
-  - node_js: 8
-    env: CXX=g++-4.8
-    #  - node_js: stable
-    #    env: CXX=g++-4.8
+node_js:
+  - '10'
+  - '12'
+
+os:
+  - linux
+  - osx
+  - windows
 
-script:
-  - npm run lint
-  - npm run test
-  - npm run coverage
+script: npx nyc -s npm run test:node -- --bail
+after_success: npx nyc report --reporter=text-lcov > coverage.lcov && npx codecov
+
+jobs:
+  include:
+    - stage: check
+      script:
+        - npx aegir commitlint --travis
+        - npx aegir dep-check
+        - npm run lint
 
-before_script:
-  - export DISPLAY=:99.0
-  - sh -e /etc/init.d/xvfb start
+    - stage: test
+      name: chrome
+      addons:
+        chrome: stable
+      script: npx aegir test -t browser -t webworker
 
-after_success:
-  - npm run coverage-publish
+    - stage: test
+      name: firefox
+      addons:
+        firefox: latest
+      script: npx aegir test -t browser -t webworker -- --browsers FirefoxHeadless
 
-addons:
-  firefox: 'latest'
-  apt:
-    sources:
-      - ubuntu-toolchain-r-test
-    packages:
-      - g++-4.8
+notifications:
+  email: false

example.js

@@ -1,3 +1,4 @@
+/* eslint-disable no-console */
 'use strict'
 
 const multihash = require('multihashes')

package.json

@@ -17,6 +17,10 @@
     "coverage": "aegir coverage",
     "coverage-publish": "aegir coverage --provider coveralls"
   },
+  "files": [
+    "src",
+    "dist"
+  ],
   "repository": {
     "type": "git",
     "url": "git://github.com/multiformats/js-multihash.git"
@@ -30,10 +34,12 @@
   },
   "dependencies": {
     "bs58": "^4.0.1",
+    "buffer": "^5.5.0",
+    "multibase": "^0.6.0",
     "varint": "^5.0.0"
   },
   "devDependencies": {
-    "aegir": "^15.1.0",
+    "aegir": "^21.3.0",
     "buffer-equal": "1.0.0",
     "chai": "^4.1.2",
     "dirty-chai": "^2.0.1",

src/index.js

@@ -5,16 +5,15 @@
  */
 'use strict'
 
-const bs58 = require('bs58')
-
+const { Buffer } = require('buffer')
+const multibase = require('multibase')
+const varint = require('varint')
 const cs = require('./constants')
 
 exports.names = cs.names
 exports.codes = cs.codes
 exports.defaultLengths = cs.defaultLengths
 
-const varint = require('varint')
-
 /**
  * Convert the given multihash to a hex encoded string.
  *
@@ -50,7 +49,7 @@ exports.toB58String = function toB58String (hash) {
     throw new Error('must be passed a buffer')
   }
 
-  return bs58.encode(hash)
+  return multibase.encode('base58btc', hash).toString().slice(1)
 }
 
 /**
@@ -65,7 +64,7 @@ exports.fromB58String = function fromB58String (hash) {
     encoded = hash.toString()
   }
 
-  return Buffer.from(bs58.decode(encoded))
+  return multibase.decode('z' + encoded)
 }
 
 /**