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babel-plugin-named-exports-order

This is a babel plugin that adds an array of strings to any JS file for its named exports.

For example, the plugin would transform this:

export const a = 0;
export const b = 1;

To this:

export const a = 0;
export const b = 1;
export const __namedExportsOrder = ['a', 'b'];

Bundlers like Webpack5 are not guaranteed to preserve the original export order, but some tools need it to function properly.

It was written for Storybook, which allows users to order their "stories" based on the export order in the file, and has special logic to re-sort the stories based on __namedExportsOrder if it's present.

Usage

Install with:

yarn add babel-plugin-named-exports-order -D

Then add it to plugins in .babelrc.js:

module.exports = {
  plugins: ['babel-plugin-named-exports-order'],
};