What is the correct way to export a constant in ES6?

As you pointed ES6 modules

export const CONNECT_RANGE = connectRange(Range);

And when you want to consume it

import { CONNECT_RANGE } from './myModule';

export const ConnectedRange = connectRange(Range);

Is the ES modules syntax.

exports.ConnectedRange = connectRange(Range);

Is the commonJS syntax.

I would recommend using the ES modules syntax, and compiling to common JS if the environment you run your code on does not support ES modules.

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