fix: fix exports field generation

Author: OliverDudgeon

tsdown.config.ts

@@ -7,6 +7,46 @@ export default defineConfig({
   target: "es2022",
   platform: "neutral",
   sourcemap: true,
-  exports: true,
   unbundle: true,
+  exports: {
+    customExports(pkg, context) {
+      // Create simplified export paths for API modules (e.g., "./accounting" instead of "./api/accounting/accounting")
+      // Dynamically discovers modules from build output and includes proper type definitions for both ESM and CJS
+
+      // Extract module names from the build chunks
+      const modules = new Set<string>();
+
+      // Get chunks from all formats and extract module names
+      for (const format in context.chunks) {
+        const chunks = context.chunks[format as keyof typeof context.chunks];
+        if (chunks) {
+          for (const chunk of chunks) {
+            if (chunk.type === "chunk" && chunk.fileName) {
+              // Match pattern: api/{moduleName}/{moduleName}.js (or .cjs)
+              const match = chunk.fileName.match(/^api\/([^/]+)\/\1\.(js|cjs)$/);
+              if (match && match[1]) {
+                modules.add(match[1]);
+              }
+            }
+          }
+        }
+      }
+
+      // For each module, create a simplified export path
+      for (const moduleName of modules) {
+        pkg[`./${moduleName}`] = {
+          import: {
+            types: `./dist/api/${moduleName}/${moduleName}.d.ts`,
+            default: `./dist/api/${moduleName}/${moduleName}.js`,
+          },
+          require: {
+            types: `./dist/api/${moduleName}/${moduleName}.d.cts`,
+            default: `./dist/api/${moduleName}/${moduleName}.cjs`,
+          },
+        };
+      }
+
+      return pkg;
+    },
+  },
 });