In Laravel 5.7 React app, getting the error: 'classProperties' isn't currently enabled

1. Cretae .babelrc file in root folder.

2. Write in .babelrc:

{ "plugins": ["@babel/plugin-proposal-class-properties"] }

3. Run npm install --save-dev @babel/plugin-proposal-class-properties

4. Run npm run dev

Hope it will help you.

I just tested on Laravel Framework 5.7.19 and the following steps work:

1. Make sure your .babelrc file is in the root folder of your application, and add the following code:

{
  "plugins": ["@babel/plugin-proposal-class-properties"]
}

2. Run npm install --save-dev @babel/plugin-proposal-class-properties.

3. Run npm run watch.

Simple Add this to your

package.json

"babel": {
        "presets": [
          "@babel/preset-env",
          "@babel/preset-react"
        ],
        "plugins": [
            "@babel/plugin-proposal-class-properties"
        ]
    }