Remove JSON import to fix build error on recent NodeJS (#53)

* Update json import command in rollup.config.js

* Remove json import

rollup.config.js

@@ -3,15 +3,14 @@ import postcss from "rollup-plugin-postcss";
 import filesize from "rollup-plugin-filesize";
 import dts from "rollup-plugin-dts";
 import { defineConfig } from "rollup";
-import pkg from "./package.json" assert { type: "json" };
 
 const inputFile = "src/index.ts";
 const production = process.env.PRODUCTION === "true";
 
 export default defineConfig([
   {
     input: inputFile,
-    output: [{ file: pkg.module, format: "es", sourcemap: true }],
+    output: [{ file: "dist/index.es.js", format: "es", sourcemap: true }],
     plugins: [
       postcss({ inject: false, minimize: production }),
       typescript({
@@ -23,7 +22,7 @@ export default defineConfig([
   },
   {
     input: inputFile,
-    output: [{ file: pkg.types, format: "es" }],
+    output: [{ file: "dist/index.d.ts", format: "es" }],
     plugins: [dts()],
   },
 ]);