Merge pull request #47 from libotony/dev

improve ESM, avoid using require in the source

package.json

@@ -5,6 +5,13 @@
   "main": "dist/index.js",
   "module": "esm/index.js",
   "types": "dist/index.d.ts",
+  "exports": {
+    ".": {
+      "require": "./dist/index.js",
+      "import": "./esm/index.js",
+      "types": "./dist/index.d.ts"      
+    }
+  },
   "files": [
     "dist",
     "esm"
@@ -74,9 +81,9 @@
   "dependencies": {
     "@vechain/ethers": "^4.0.27-5",
     "bignumber.js": "^7.2.1",
-    "blakejs": "^1.1.0",
+    "blakejs": "^1.1.2",
     "elliptic": "6.5.4",
-    "fast-json-stable-stringify": "^2.0.0",
+    "fast-json-stable-stringify": "^2.1.0",
     "js-sha3": "0.5.7",
     "rlp": "^2.0.0"
   },

src/blake2b.ts

@@ -1,11 +1,11 @@
-const blake = require('blakejs')
+import  blake from 'blakejs'
 
 /**
  * computes blake2b 256bit hash of given data
  * @param data one or more Buffer | string
  */
 export function blake2b256(...data: Array<Buffer | string>) {
-    const ctx = blake.blake2bInit(32, null)
+    const ctx = blake.blake2bInit(32)
     data.forEach(d => {
         if (Buffer.isBuffer(d)) {
             blake.blake2bUpdate(ctx, d)

src/certificate.ts

@@ -1,8 +1,7 @@
 import { address } from './address'
 import { blake2b256 } from './blake2b'
 import { secp256k1 } from './secp256k1'
-
-const fastJsonStableStringify = require('fast-json-stable-stringify')
+import fastJsonStableStringify from 'fast-json-stable-stringify'
 
 /**
  * Client side self-signed certificate

tsconfig.json

@@ -7,6 +7,7 @@
     "inlineSourceMap": true,
     "moduleResolution": "node",
     "allowSyntheticDefaultImports": true,
+    "esModuleInterop": true,
     "skipLibCheck": true
   },
   "include": [