add walletFromMnemonicAsync with better performance

Author: shrpne

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 6.1.0 - 2021-03-24
+- add `walletFromMnemonicAsync`, use it to get better performance in browser
+
 ## 6.0.0 - 2020-08-11
 - **BREAKING** getPrivateKeyString now returns 0x-prefixed string
 

README.md

@@ -35,6 +35,8 @@ or from browser
 <script>
 const wallet = minterWallet.generateWallet();
 const wallet2 = minterWallet.walletFromMnemonic('...');
+// use async for better performance
+const wallet3 = await minterWallet.walletFromMnemonicAsync('...');
 </script>
 ```
 
@@ -56,6 +58,13 @@ import {walletFromMnemonic} from 'minterjs-wallet';
 const wallet = walletFromMnemonic('surround tape away million into program organ tonight write prefer inform cool');
 ```
 
+#### `walletFromMnemonicAsync(mnemonic)`
+Same as `walletFromMnemonic` but async and has better performance in browser, beacause it uses `window.crypto.subtle` under hood
+```js
+import {walletFromMnemonicAsync} from 'minterjs-wallet';
+const wallet = await walletFromMnemonicAsync('surround tape away million into program organ tonight write prefer inform cool');
+```
+
 #### `walletFromPrivateKey(privateKey)`
 Create a wallet instance based on a raw private key
 ```js

babel-jest.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+    "presets": ["@babel/preset-env"],
+    "plugins": [
+        "@babel/plugin-transform-runtime",
+    ],
+}

build/rollup.config.js

@@ -1,13 +1,23 @@
 import commonjs from '@rollup/plugin-commonjs';
 import json from '@rollup/plugin-json';
 import resolve from '@rollup/plugin-node-resolve';
+//@TODO replace with rollup-plugin-polyfill-node when it ready
 import builtins from 'rollup-plugin-node-builtins';
 import globals from 'rollup-plugin-node-globals';
 import babel from 'rollup-plugin-babel';
 
 export default {
     input: 'src/index.js',
     plugins: [
+        // old acorn in rollup-plugin-node-globals doesn't support new syntax
+        babel({
+            babelrc: false,
+            configFile: false,
+            "plugins": [
+                "@babel/plugin-proposal-optional-chaining",
+                "@babel/plugin-proposal-numeric-separator",
+            ],
+        }),
         commonjs({
             // namedExports: {
             //     'node_modules/ethereumjs-util/dist/index.js': [ 'stripHexPrefix', 'padToEven' ],

jest-bundle-cjs.config.js

@@ -1,9 +1,13 @@
+const path = require('path');
+
 module.exports = {
     moduleNameMapper: {
         '~\/src$': '<rootDir>/dist/cjs/index.js',
     },
-    // transform: {
-    //     '^.+\\.jsx?$': 'babel-jest',
-    // },
+    transform: {
+        '^.+\\.jsx?$': ['babel-jest', {
+            configFile: path.resolve(__dirname, './babel-jest.config.js')
+        }],
+    },
     testEnvironment: 'node',
 };

jest-bundle.config.js

@@ -1,9 +1,13 @@
+const path = require('path');
+
 module.exports = {
     moduleNameMapper: {
         '~\/src$': '<rootDir>/dist/index.js',
     },
     transform: {
-        '^.+\\.jsx?$': 'babel-jest',
+        '^.+\\.jsx?$': ['babel-jest', {
+            configFile: path.resolve(__dirname, './babel-jest.config.js')
+        }],
     },
     transformIgnorePatterns: [
         'node_modules/(?!(buffer-es6)/)',

jest.config.js

@@ -1,9 +1,13 @@
+const path = require('path');
+
 module.exports = {
     moduleNameMapper: {
         '~(.*)$': '<rootDir>/$1',
     },
     transform: {
-        '^.+\\.jsx?$': 'babel-jest',
+        '^.+\\.jsx?$': ['babel-jest', {
+            configFile: path.resolve(__dirname, './babel-jest.config.js')
+        }],
     },
     transformIgnorePatterns: [
         'node_modules/(?!(minterjs-util|other-module)/)',