bundling refactor

common/buildPluginExternals.js

@@ -0,0 +1,19 @@
+const useBundleExternals = require('./useBundleExternals');
+const getBundleExternals = require('./getBundleExternals');
+
+function buildExternalsFromDependencies(packageJson) {
+  if (useBundleExternals == 'true') {
+    return getBundleExternals();
+  }
+  const { dependencies, optionalDependencies } = packageJson;
+  const externals = {};
+  for (let dep in dependencies || {}) {
+    externals[dep] = `commonjs ${dep}`;
+  }
+  for (let dep in optionalDependencies || {}) {
+    externals[dep] = `commonjs ${dep}`;
+  }
+  return externals;
+}
+
+module.exports = buildExternalsFromDependencies;

common/getBundleExternals.js

@@ -0,0 +1,10 @@
+const volatilePackages = require('./volatilePackages');
+
+function getBundleExternals() {
+  return volatilePackages.reduce((acc, item) => {
+    acc[item] = `commonjs ${item}`;
+    return acc;
+  }, {});
+}
+
+module.exports = getBundleExternals;

common/useBundleExternals.js

@@ -0,0 +1 @@
+module.exports = 'false';

common/volatilePackages.js

@@ -0,0 +1,25 @@
+// these packages will be never bundled with webpack
+
+const volatilePackages = [
+  '@clickhouse/client',
+  'bson', // this package is already bundled and is used in mongodb
+  'mongodb',
+  'mongodb-client-encryption',
+  'tedious',
+  'msnodesqlv8',
+  'mysql2',
+  'oracledb',
+  'pg-copy-streams',
+  'pg',
+  'ioredis',
+  'node-redis-dump2',
+  'better-sqlite3',
+  '@azure/cosmos',
+  '@aws-sdk/rds-signer',
+  'activedirectory2',
+  'axios',
+  'bufferutil',
+  'ssh2',
+];
+
+module.exports = volatilePackages;