chore(core): include sourcemap into distribution

Author: SMAKSS

package.json

@@ -77,5 +77,5 @@
     "typecheck": "tsc -b ."
   },
   "type": "module",
-  "version": "4.0.1"
+  "version": "4.0.2"
 }

rollup.config.js

@@ -8,9 +8,9 @@ export default [
     output: [
       {
         file: 'dist/index.js',
-        format: 'esm',
+        format: 'es',
         exports: 'named',
-        sourcemap: 'inline'
+        sourcemap: true
       }
     ],
     plugins: [resolve(), typescript()],