Fix Rollup v3 build issues

Author: markerikson

packages/react-server-dom-webpack/package.json

@@ -66,7 +66,7 @@
     "./server.node.unbundled": "./server.node.unbundled.js",
     "./node-loader": "./esm/react-server-dom-webpack-node-loader.production.min.js",
     "./node-register": "./node-register.js",
-    "./src/*": "./src/*",
+    "./src/*": "./src/*.js",
     "./package.json": "./package.json"
   },
   "main": "index.js",

scripts/rollup/build.js

@@ -173,6 +173,30 @@ function getBabelConfig(
   return options;
 }
 
+let getRollupInteropValue = id => {
+  // ReactNoop.js and ReactNoopPersistent.js do `import ReactFiberReconciler from 'react-reconciler'`.
+  // That gets turned into a `require()`, but the `module.exports = function reconciler()` wrapper
+  // gets added later, so Rollup isn't fully aware of it, and tries to use `RFR.default` instead.
+  // Force Rollup to use the `require()`'d value directly, without adding a `.default`.
+  // Other cases:
+  // - `react-art` needs to deal with imports from the `art` package
+  // - `react-server/flight` and `react-client/flight`
+  // -`error-stack-parser`
+  const exactModuleNames = [
+    'react-reconciler',
+    'react-server/flight',
+    'react-client/flight',
+    'error-stack-parser',
+  ];
+
+  if (exactModuleNames.includes(id) || id.startsWith('art/')) {
+    return 'default';
+  }
+
+  // For all other modules, handle imports without any import helper utils
+  return 'esModule';
+};
+
 function getRollupOutputOptions(
   outputPath,
   format,
@@ -187,7 +211,7 @@ function getRollupOutputOptions(
     format,
     globals,
     freeze: !isProduction,
-    interop: false,
+    interop: getRollupInteropValue,
     name: globalName,
     sourcemap: false,
     esModule: false,
@@ -612,7 +636,7 @@ async function createBundle(bundle, bundleType) {
     output: {
       externalLiveBindings: false,
       freeze: false,
-      interop: false,
+      interop: getRollupInteropValue,
       esModule: false,
     },
   };

scripts/rollup/bundles.js

@@ -442,7 +442,7 @@ const bundles = [
   {
     bundleTypes: [NODE_ES2015],
     moduleType: RENDERER_UTILS,
-    entry: 'react-server-dom-webpack/src/ReactFlightWebpackNodeRegister.js',
+    entry: 'react-server-dom-webpack/src/ReactFlightWebpackNodeRegister',
     name: 'react-server-dom-webpack-node-register',
     global: 'ReactFlightWebpackNodeRegister',
     minifyWithProdErrorCodes: false,