Export multiple files as single module in node js

Question

Here is a simple example of what I'm trying to achieve:

foo.js :

module.exports.one = function(params) { */ stuff */ }

bar.js :

module.exports.two = function(params) { */ stuff */ }

stuff.js:

const foo = require('Path/foo');
const bar = require('Path/bar');

I want to do :

otherFile.js:

stuff = require('Path/stuff');

stuff.one(params);
stuff.two(params);

I do not want to do [in stuff.js]

module.exports = {
one : foo.one,
two: bar.two
}

The solution I came with is :

const files = ['path/foo', 'path/bar']

module.exports =   files
    .map(f => require(f))
    .map(f => Object.keys(f).map(e => ({ [e]: f[e] })))
    .reduce((a, b) => a.concat(b), [])
    .reduce((a, b) => Object.assign(a, b), {})

or uglier/shorter :

module.exports = files
  .map(f => require(f))
  .reduce((a, b) => Object.assign(a, ...Object.keys(b).map(e => ({ [e]: b[e] }))));

It feels "hackish".

Is there a cleaner way to do this ?

Val · Accepted Answer · 2017-07-31 06:42:45Z

17

it works this way:

stuff.js

module.exports = Object.assign(
    {},
    require('./foo'),
    require('./bar'),
);

or if Object Spread Operator is supported:

module.exports = {
    ...require('./foo'),
    ...require('./bar'),
};

OtherFiles.js

var stuff = require('./stuff');

stuff.one();
stuff.two();

edited Jul 31, 2017 at 6:42

answered Jul 31, 2017 at 5:53

Val

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1 Comment

ceving Over a year ago

Link does not work.

Jason Roman · Accepted Answer · 2019-07-16 16:43:44Z

-1

import * as stuff from "Path";  
import {foo,bar} from "Path";

you can still do the same in export:

export function foo(){};
export function bar(){};

edited Jul 16, 2019 at 16:43

Jason Roman

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answered Jul 31, 2017 at 1:55

Zhang Bruce

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1 Comment

user7560588 Over a year ago

The OP is not using an ES6 transpiler.

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