How do you dynamically import/ export components in an index file?

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How can you dynamically import and export all modules in a folder in an index.js file? I'm working with ReactJS and wanting to import/export when the app is built (not during runtime)

before

// index.js
import ComponentA from './ComponentA';
import ComponentB from './ComponentB';
import ComponentC from './ComponentC';

export { ComponentA, ComponentB, ComponentC }

after - but doesn't work

// index.js
const fs = require('fs');

let components = {};

fs.readdirSync(__dirname)
    .filter((f) => f !== 'index.js')
    .forEach((file) => {

        if (file.toLowerCase().endsWith('.js')) {
            filePath = './'+file;
            fileName = file.split('.')[0];
            // Not sure how to write this part properly 
            components[fileName] = import(filePath);
            }
    });

export components; // SyntaxError: Unexpected token 'export'


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