output es modules

Author: patinthehat

tsconfig.json

@@ -5,7 +5,7 @@
         /* Basic Options */
         // "incremental": true,                   /* Enable incremental compilation */
         "target": "ES2019" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */,
-        "module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */,
+        "module": "esnext" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */,
         "lib": ["ES2019"] /* Specify library files to be included in the compilation. */,
         "allowJs": true /* Allow javascript files to be compiled. */,
         "checkJs": false,                       /* Report errors in .js files. */