feat: hybrid cjs and esm support

.eslintignore

@@ -0,0 +1 @@
+**/*.d.ts

.github/workflows/main_ci.yml

@@ -10,20 +10,30 @@ jobs:
   unit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v4
         with:
-          node-version: 12
+          node-version: 18
           registry-url: https://registry.npmjs.org/
-      - run: npm i
+      - run: npm ci
       - run: npm run unit
   format:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v4
         with:
-          node-version: 12
+          node-version: 18
           registry-url: https://registry.npmjs.org/
-      - run: npm i
-      - run: npm run standard
+      - run: npm ci
+      - run: npm run standard
+  gitdiff:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 18
+          registry-url: https://registry.npmjs.org/
+      - run: npm ci
+      - run: npm run gitdiff

.gitignore

@@ -1,4 +1,3 @@
 node_modules/
 .DS_Store
 coverage/
-package-lock.json

README.md

@@ -24,7 +24,7 @@ API
 **example**:
 
 ```js
-const bs58 = require('bs58')
+import bs58 from 'bs58'
 
 const bytes = Uint8Array.from([
     0, 60,  23, 110, 101, 155, 234,
@@ -45,7 +45,7 @@ console.log(address)
 **example**:
 
 ```js
-const bs58 = require('bs58')
+import bs58 from 'bs58'
 
 const address = '16UjcYNBG9GTK4uq2f7yYEbuifqCzoLMGS'
 const bytes = bs58.decode(address)
@@ -65,7 +65,7 @@ npm install -g browserify
 then run:
 
 ```bash
-browserify node_modules/bs58/index.js -o bs58.bundle.js --standalone bs58
+browserify node_modules/bs58/cjs/index.cjs -o bs58.bundle.js --standalone bs58
 ```
 
 Hack / Test