Custom named exports were specified for @toast-ui/editor/dist/esm/index.js but it does not appear to be a CommonJS module

[ats1999]

Describe the bug

I am trying to build a react-library using the editor. I'll customize this editor, styles, etc and used it across multiple projects.

I am using https://www.npmjs.com/package/create-react-library to build the package.

To Reproduce

Steps to reproduce the behaviour:

1. Install https://www.npmjs.com/package/create-react-library
2. npx create-react-library custom-editor
3. cd ustom-editor
4. npm i @toast-ui/editor-plugin-chart @toast-ui/editor-plugin-code-syntax-highlight @toast-ui/editor-plugin-color-syntax @toast-ui/editor-plugin-table-merged-cell @toast-ui/editor-plugin-uml @toast-ui/react-editor katex mermaid --save-dev
5. npm start
6. custom-editor/index.js

   
   import React from 'react'
   import { Editor } from '@toast-ui/react-editor'

export default function EditorComponent() { return ( <Editor initialValue='hello react editor world!' previewStyle='vertical' height='600px' initialEditType='markdown' useCommandShortcut /> ) }

## Expected behaviour
It should load the editor but it's raising the below error
```js
(commonjs plugin) Error: Custom named exports were specified for /home/rahul/Desktop/projects/temp/editor/tui/node_modules/@toast-ui/editor/dist/esm/index.js but it does not appear to be a CommonJS module
Error: Custom named exports were specified for /home/rahul/Desktop/projects/temp/editor/tui/node_modules/@toast-ui/editor/dist/esm/index.js but it does not appear to be a CommonJS module
    at transformCommonjs (/home/rahul/Desktop/projects/temp/editor/tui/node_modules/@rollup/plugin-commonjs/dist/index.js:753:13)
    at Object.transformAndCheckExports (/home/rahul/Desktop/projects/temp/editor/tui/node_modules/@rollup/plugin-commonjs/dist/index.js:1144:25)
    at Object.transform (/home/rahul/Desktop/projects/temp/editor/tui/node_modules/@rollup/plugin-commonjs/dist/index.js:1309:48)
    at /home/rahul/Desktop/projects/temp/editor/tui/node_modules/rollup/dist/shared/node-entry.js:13117:25

Screenshots

[jwlee1108]

@ats1999

sorry for late reply, it is a ESM build. Are you in an SSR environment?

[kgirma]

Yes. SSR environment causes this.

[kgirma]

@jwlee1108