convert existing xrpl library into a lerna monorepo

packages/xrpl/webpack.config.js

@@ -0,0 +1,85 @@
+'use strict'
+const path = require('path')
+const webpack = require('webpack')
+const { BundleAnalyzerPlugin } = require('webpack-bundle-analyzer')
+
+const bnJsReplaces = [
+  'tiny-secp256k1',
+  'asn1.js',
+  'create-ecdh',
+  'miller-rabin',
+  'public-encrypt',
+  'elliptic',
+]
+
+function getDefaultConfiguration() {
+  return {
+    cache: true,
+    performance: { hints: false },
+    stats: 'errors-only',
+    entry: './dist/npm/index.js',
+    output: {
+      library: 'xrpl',
+      path: path.join(__dirname, 'build/'),
+      filename: `xrpl.default.js`,
+    },
+    plugins: [
+      new webpack.NormalModuleReplacementPlugin(/^ws$/, './WSWrapper'),
+      new webpack.ProvidePlugin({ process: 'process/browser' }),
+      new webpack.ProvidePlugin({ Buffer: ['buffer', 'Buffer'] }),
+      new webpack.IgnorePlugin({
+        resourceRegExp: /^\.\/wordlists\/(?!english)/,
+        contextRegExp: /bip39\/src$/,
+      }),
+      // this is a bit of a hack to prevent 'bn.js' from being installed 6 times
+      // TODO: any package that is updated to use bn.js 5.x needs to be removed from `bnJsReplaces` above
+      // https://github.com/webpack/webpack/issues/5593#issuecomment-390356276
+      new webpack.NormalModuleReplacementPlugin(/^bn.js$/, (resource) => {
+        if (
+          bnJsReplaces.some((pkg) =>
+            resource.context.includes(`node_modules/${pkg}`),
+          )
+        ) {
+          resource.request = 'diffie-hellman/node_modules/bn.js'
+        }
+      }),
+    ],
+    module: {
+      rules: [],
+    },
+    resolve: {
+      alias: {
+        ws: './dist/npm/client/WSWrapper.js',
+        'https-proxy-agent': false,
+      },
+      extensions: ['.js', '.json'],
+      fallback: {
+        buffer: require.resolve('buffer/'),
+        assert: require.resolve('assert/'),
+        url: require.resolve('url/'),
+        stream: require.resolve('stream-browserify'),
+        crypto: require.resolve('crypto-browserify'),
+        https: require.resolve('https-browserify'),
+        http: require.resolve('stream-http'),
+      },
+    },
+  }
+}
+
+module.exports = [
+  (env, argv) => {
+    const config = getDefaultConfiguration()
+    config.mode = 'development'
+    config.output.filename = `xrpl-latest.js`
+    return config
+  },
+  (env, argv) => {
+    const config = getDefaultConfiguration()
+    config.mode = 'production'
+    config.output.filename = `xrpl-latest-min.js`
+    if (process.argv.includes('--analyze')) {
+      config.plugins.push(new BundleAnalyzerPlugin())
+    }
+    return config
+  },
+]