Imports and exports with JS

index.js

/* ============================================
 * index.js
 * ============================================*/
import sumOperation from './operations'

/* ============================================
 * operations.js
 * ============================================*/
export default sum = (a,b) => a+b;

/////////////////////////////////////////////
/* ============================================
 * index.js
 * ============================================*/
import { sum, times } from './operations'
import * as operations from './operations'

operations.sum()

/* ============================================
 * operations.js
 * ============================================*/
export const sum = (a,b) => a+b;
export const times = (a,b) => a*b;

/////////////////////////////////////////////
/* ============================================
 * index.js
 * ============================================*/

import { sum, times } from './operations'
import operations from './operations'

operations.sum()

/* ============================================
 * operations.js
 * ============================================*/

const sum = (a,b) => a+b;
const times = (a,b) => a*b;

export default { sum, times };

/////////////////////////////////////////////
/* ============================================
 * index.js
 * ============================================*/

const { sum, times } = require('./operations')
const operations = require('./operations')

operations.sum()

/* ============================================
 * operations.js
 * ============================================*/

const sum = (a,b) => a+b;
const times = (a,b) => a*b;

module.exports = { sum, times };

/////////////////////////////////////////////
/* ============================================
 * index.js
 * ============================================*/

const { sum, times } = require('./operations')
const operations = require('./operations')

operations.sum()

/* ============================================
 * operations.js
 * ============================================*/

exports.sum = (a,b) => a+b;
exports.times = (a,b) => a*b;

/////////////////////////////////////////////
/* ============================================
 * index.js
 * ============================================*/

const { sum, times } = require('./operations')
const operations = require('./operations')

operations.sum()

/* ============================================
 * operations.js
 * ============================================*/

const operations = {
  sum: (a,b) => a+b,
  times: (a,b) => a*b
}

module.exports = operations;