#no-mutable-exports

#Configuration

import { defineConfig, importPlugin } from '@rslint/core';

export default defineConfig([
  importPlugin.configs.recommended,
  {
    rules: {
      'import/no-mutable-exports': 'error',
    },
  },
]);

#Rule Details

Forbids the use of mutable exports with var or let.

Mutable exports can lead to hard-to-understand code because importers might not expect the exported value to change after import. Use const for exported values, or export functions/classes instead.

Examples of incorrect code for this rule:

export let count = 1;
export var count = 1;

let count = 1;
export { count };

Examples of correct code for this rule:

export const count = 1;
export function getCount() {}
export class Counter {}

const count = 1;
export { count };

#Original Documentation

https://github.com/import-js/eslint-plugin-import/blob/main/docs/rules/no-mutable-exports.md