diff --git a/packages/plugin-sdk/tsconfig.app.json b/packages/plugin-sdk/tsconfig.app.json
index 2ed40b8..7c5d328 100644
--- a/packages/plugin-sdk/tsconfig.app.json
+++ b/packages/plugin-sdk/tsconfig.app.json
@@ -1,7 +1,9 @@
 {
   "extends": "../../tsconfig.app.json",
   "compilerOptions": {
-    "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo"
+    "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo",
+
+    "jsx": "react",
   },
-  "include": ["src"]
+  "include": ["src"],
 }
diff --git a/packages/plugin-sdk/tsdown.config.ts b/packages/plugin-sdk/tsdown.config.ts
index ceaf0ae..f9d89e2 100644
--- a/packages/plugin-sdk/tsdown.config.ts
+++ b/packages/plugin-sdk/tsdown.config.ts
@@ -11,6 +11,7 @@ export default mergeConfig(
     define: {
       __VERSION__: JSON.stringify(packageJson.version),
     },
+
     format: {
       umd: {
         deps: {
@@ -21,6 +22,19 @@ export default mergeConfig(
           // or TS will throw a type error.
           skipNodeModulesBundle: false,
         },
+        outputOptions: {
+          entryFileNames: 'sigmacomputing-plugin.umd.js',
+          globals: {
+            react: 'React',
+          },
+          name: 'SigmaPlugin',
+        },
+      },
+    },
+
+    inputOptions: {
+      transform: {
+        jsx: 'react',
       },
     },
   }),
diff --git a/packages/plugin-sdk/vitest.config.ts b/packages/plugin-sdk/vitest.config.ts
index c3e1107..580f5c0 100644
--- a/packages/plugin-sdk/vitest.config.ts
+++ b/packages/plugin-sdk/vitest.config.ts
@@ -1,15 +1,18 @@
-import { defineConfig, mergeConfig } from 'vitest/config';
+import { mergeConfig } from 'vitest/config';
 
 // @ts-ignore - base config is defined outside of this package
 import baseConfig from '../../vitest.base.ts';
 
 import packageJson from './package.json' with { type: 'json' };
 
-export default mergeConfig(
-  baseConfig,
-  defineConfig({
-    define: {
-      __VERSION__: JSON.stringify(packageJson.version),
-    },
-  }),
-);
+export default mergeConfig(baseConfig, {
+  define: {
+    __VERSION__: JSON.stringify(packageJson.version),
+  },
+  optimizeDeps: {
+    include: ['react/jsx-dev-runtime'],
+  },
+  oxc: {
+    jsx: { runtime: 'automatic' },
+  },
+});
diff --git a/tsconfig.app.json b/tsconfig.app.json
index 15eb924..8d5db5e 100644
--- a/tsconfig.app.json
+++ b/tsconfig.app.json
@@ -5,7 +5,6 @@
     "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo",
 
     "lib": ["DOM", "ESNext"],
-    "jsx": "react",
-    "types": ["vitest/globals"]
-  }
+    "types": ["vitest/globals"],
+  },
 }
diff --git a/tsdown.base.ts b/tsdown.base.ts
index 4b21087..5b1ee62 100644
--- a/tsdown.base.ts
+++ b/tsdown.base.ts
@@ -1,7 +1,5 @@
 import { defineConfig } from 'tsdown';
 
-import packageJson from './package.json' with { type: 'json' };
-
 export default defineConfig({
   clean: true,
   failOnWarn: true,
@@ -23,26 +21,15 @@ export default defineConfig({
     umd: {
       outputOptions: {
         dir: './dist/umd',
-        entryFileNames: 'sigmacomputing-plugin.umd.js',
-        globals: {
-          react: 'React',
-        },
         minify: true,
-        name: 'SigmaPlugin',
       },
     },
   },
-  inputOptions: {
-    transform: {
-      jsx: 'react',
-    },
-  },
   platform: 'browser',
   sourcemap: true,
   tsconfig: './tsconfig.app.json',
 
   define: {
-    __VERSION__: JSON.stringify(packageJson.version),
     __VITEST_BROWSER__: false.toString(),
   },
 
diff --git a/vitest.base.ts b/vitest.base.ts
index d84730c..d54a2a8 100644
--- a/vitest.base.ts
+++ b/vitest.base.ts
@@ -5,15 +5,9 @@ export default defineConfig({
   define: {
     __VITEST_BROWSER__: true.toString(),
   },
-  oxc: {
-    jsx: { runtime: 'automatic' },
-  },
-  optimizeDeps: {
-    include: ['react/jsx-dev-runtime'],
-  },
   test: {
     globals: true,
-    include: ['src/**/*.test.{js,jsx,ts,tsx}'],
+    include: ['src/**/*.test.{ts,tsx}'],
     browser: {
       enabled: true,
       provider: playwright(),