fix: switch to ESM-only output

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: angeloashmore

bin/prismic-ts-codegen.js

@@ -1,3 +1,3 @@
 #!/usr/bin/env node
 
-import("../dist/cli.cjs");
+import("../dist/cli.mjs");

package.json

@@ -21,14 +21,9 @@
 		"bin"
 	],
 	"type": "module",
-	"main": "./dist/index.cjs",
-	"module": "./dist/index.js",
 	"types": "./dist/index.d.cts",
 	"exports": {
-		".": {
-			"import": "./dist/index.js",
-			"require": "./dist/index.cjs"
-		},
+		".": "./dist/index.mjs",
 		"./package.json": "./package.json"
 	},
 	"publishConfig": {

tsdown.config.ts

@@ -5,8 +5,8 @@ export default defineConfig({
 		index: "./src/index.ts",
 		cli: "./src/cli/index.ts",
 	},
-	format: ["esm", "cjs"],
-	platform: "neutral",
+	format: "esm",
+	platform: "node",
 	unbundle: true,
 	sourcemap: true,
 	exports: {