ES6 support with app builder

Question

Hi,Using these instructions ( https://developer.adobe.com/app-builder/docs/getting_started/first_app/ ) , we created hello world app and trying use ES6 library ( https://www.npmjs.com/package/critical ) but import is failing  tried by creating .mjs file as ( index.mjs ) import {generate} from 'critical'export default function (params) {  return {    statusCode: 200,    headers: {      'Content-Type': 'application/json'    },    body: {      LOG_LEVEL: params.LOG_LEVEL,      message: 'this is a test message'    }  }}Really blocked with next steps. Thanks in advance.

sarav_prakash · Answer

@venkiiitk , you are missing syntax. Your index.mjs must look like this

import {generate} from 'critical'

function main(params) {
  const logger = Core.Logger("main", { level: params.LOG_LEVEL || "info" });
  logger.info("Hello world runtime action");
  return {
    statusCode: 200,
    headers: {
      'Content-Type': 'application/json'
    },
    body: {
      LOG_LEVEL: params.LOG_LEVEL,
      message: 'this is a test message'
    }
  }
}

const _main = main;
export { _main as main };

Key is, default export must look like

`export { _main as main };`

I dono why. But boilerplate expects in exact syntax. From index.mjs, we can create other *.mjs and write esm code. works fine.

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