Fix - mix ESM and CommonJS in shim/dynamic.js

package.json

@@ -35,7 +35,7 @@
         "lib": "lib"
     },
     "scripts": {
-        "bundle": "node scripts/bundle.js",
+        "bundle": "node scripts/bundle_esm.js",
         "lint:fix": "yarn lint --fix",
         "lint": "eslint .",
         "format": "prettier -c ./lib/**/*.js ./test/**/*.js",
@@ -80,12 +80,16 @@
         "@babel/preset-env": "^7.15.0",
         "@babel/register": "^7.15.3",
         "@babel/runtime": "^7.15.3",
+        "@rollup/plugin-commonjs": "^28.0.1",
+        "@rollup/plugin-node-resolve": "^15.3.0",
         "ava": "^2.4.0",
         "cross-env": "^7.0.3",
         "husky": "^7.0.4",
         "jest": "^29.7.0",
         "mock-require": "^3.0.3",
         "npm-run-all": "^4.1.5",
+        "rollup": "^4.24.4",
+        "rollup-plugin-terser": "^7.0.2",
         "sinon": "^7.5.0",
         "snazzy": "^8.0.0",
         "standard": "^14.3.1"

scripts/bundle_esm.js

@@ -0,0 +1,55 @@
+#!/usr/bin/env node
+
+const fs = require('fs-extra');
+const rollup = require('rollup');
+const { nodeResolve } = require('@rollup/plugin-node-resolve');
+const commonjs = require('@rollup/plugin-commonjs');
+const { terser } = require('rollup-plugin-terser');
+
+const dir = 'vendor';
+const modules = [
+  'ajv',
+  'aws4',
+  'chai',
+  'cheerio',
+  'crypto-js',
+  'lodash',
+  'oauth-1.0a',
+  'papaparse',
+  'spo-gpo/polyfill',
+  'urijs',
+  'xml2js',
+];
+
+async function bundleModules() {
+  await fs.ensureDir(dir);
+  await fs.emptyDir(dir);
+
+  for (const module of modules) {
+    const name = module.split('/')[0];
+    const outputPath = `${dir}/${name}.js`;
+
+    try {
+      const bundle = await rollup.rollup({
+        input: require.resolve(module),
+        plugins: [
+          nodeResolve(), // Resolves modules in node_modules
+          commonjs(), // Converts CommonJS to ES6
+          terser(), // Minifies the output
+        ],
+      });
+
+      await bundle.write({
+        file: outputPath,
+        format: 'es', // ESM output format
+        exports: 'auto',
+      });
+
+      console.log(`Bundled ${module} to ${outputPath}`);
+    } catch (error) {
+      console.error(`Error bundling ${module}:`, error);
+    }
+  }
+}
+
+bundleModules();