wallet-ext: integrate mnemonics functionality & other libs

* also fixes webpack eslint plugin to check all the files

wallet/configs/webpack/webpack.config.common.ts

@@ -6,6 +6,7 @@ import CopyPlugin from 'copy-webpack-plugin';
 import HtmlWebpackPlugin from 'html-webpack-plugin';
 import MiniCssExtractPlugin from 'mini-css-extract-plugin';
 import { resolve } from 'path';
+import { DefinePlugin, ProvidePlugin } from 'webpack';
 
 import packageJson from '../../package.json';
 
@@ -90,6 +91,11 @@ const commonConfig: () => Promise<Configuration> = async () => {
         resolve: {
             extensions: ['.ts', '.tsx', '.js'],
             alias,
+            fallback: {
+                crypto: false,
+                stream: require.resolve('stream-browserify'),
+                buffer: require.resolve('buffer/'),
+            },
         },
         module: {
             rules: [
@@ -144,6 +150,12 @@ const commonConfig: () => Promise<Configuration> = async () => {
                     },
                 ],
             }),
+            new DefinePlugin({
+                'typeof window': JSON.stringify(typeof {}),
+            }),
+            new ProvidePlugin({
+                Buffer: ['buffer', 'Buffer'],
+            }),
         ],
     };
 };

wallet/configs/webpack/webpack.config.dev.ts

@@ -12,7 +12,10 @@ import type { Configuration } from 'webpack';
 const configDev: Configuration = {
     mode: 'development',
     devtool: 'cheap-source-map',
-    plugins: [new ESLintPlugin(), new StyleLintPlugin()],
+    plugins: [
+        new ESLintPlugin({ extensions: ['ts', 'tsx', 'js', 'jsx'] }),
+        new StyleLintPlugin(),
+    ],
     watchOptions: {
         aggregateTimeout: 600,
     },

wallet/jest.config.ts

@@ -0,0 +1,12 @@
+// Copyright (c) 2022, Mysten Labs, Inc.
+// SPDX-License-Identifier: Apache-2.0
+
+import type { Config } from '@jest/types';
+
+const config: Config.InitialOptions = {
+    preset: 'ts-jest',
+    testEnvironment: 'node',
+    testPathIgnorePatterns: ['/node_modules/', '/dist/'],
+};
+
+export default config;