Upgrade resolve.exports to v2 (#1457)

Co-authored-by: Adam Skoufis <[email protected]>

package.json

@@ -48,7 +48,7 @@
     "jest": "^29.7.0",
     "jest-environment-jsdom": "^29.7.0",
     "prettier": "^2.8.8",
-    "resolve.exports": "^1.1.0",
+    "resolve.exports": "^2.0.2",
     "rollup": "^2.7.0",
     "rollup-plugin-dts": "^4.2.2",
     "rollup-plugin-node-externals": "^5.0.0",

scripts/build-dts.ts

@@ -8,15 +8,22 @@ import { rollup } from 'rollup';
 import dts from 'rollup-plugin-dts';
 import { externals } from 'rollup-plugin-node-externals';
 
-function resolveEntry<PackageJson>(pkg: PackageJson, entryName?: string) {
+function resolveEntry<PackageJson>(
+  pkg: PackageJson,
+  entryName?: string,
+): string {
   const entryPath = entryName
-    ? resolve(pkg, entryName, { conditions: ['node', 'default'] })
+    ? resolve(pkg, entryName, { browser: false, require: true })
     : legacy(pkg, { browser: false, fields: ['main'] })!;
 
-  if (!entryPath) {
+  if (!entryPath || entryPath.length === 0) {
     throw new Error('No entry found. Invalid package.json?');
   }
 
+  if (Array.isArray(entryPath)) {
+    return entryPath[0];
+  }
+
   return entryPath;
 }
 
@@ -27,7 +34,10 @@ async function buildEntry(packageDir: string, entryPath: string) {
   const dtsEntryPath = path.relative(process.cwd(), dtsEntryPathAbsolute);
   const outDir = path.dirname(dtsEntryPath);
 
-  if (!existsSync(dtsEntryPath)) return;
+  if (!existsSync(dtsEntryPath)) {
+    console.warn('Skipping', dtsEntryPath, '(Not Found)');
+    return;
+  }
 
   console.log('Bundling', dtsEntryPath);