app/javascript/packs/index.js
import React from 'react'
import ReactDom from 'react-dom'
import App from '../components/App'
document.addEventListener('DOMContentLoaded', () => {
ReactDom.render(
<App/>,
document.body.appendChild(document.createElement('div')),
)
})
I get this error:
SyntaxError: .../packs/index.js: Unexpected token (7:6)
5 | document.addEventListener('DOMContentLoaded', () => {
6 | ReactDom.render(
> 7 | <App/>,
| ^
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