fix: bundle pure.ts file correctly

Author: sheremet-va

tsconfig.json

@@ -1,7 +1,8 @@
 {
   "compilerOptions": {
     "target": "ESNext",
-    "jsx": "react-jsx",
+    "jsx": "preserve",
+    "jsxFactory": "React.createElement",
     "jsxImportSource": "react",
     "lib": ["esnext", "dom", "DOM.Iterable"],
     "module": "ESNext",

tsup.config.ts

@@ -1,7 +1,7 @@
 import { defineConfig } from 'tsup'
 
 export default defineConfig({
-  entry: ['./src/index.ts', './src/pure.ts'],
+  entry: ['./src/index.ts', './src/pure.tsx'],
   format: ['esm'],
   dts: true,
 })