JavaScript importing and exporting modules in react import export modules javascript,import export modules,import export modules

I'm working in a React.js project which I need to import some JavaScript in others, and some others I have to export it.

For example I have A.js which needs some library:

var EventEmitter = require('EventEmitter');
var React = require('react');
//some code here
//some function definition
var fun = function(){...}
module.exports = fun;

And then I have another B.js which needs not only libraries but also my own JavaScript. For example B.js (I suppose both in the same folder):

var fun = require('./B.js');
var React = require('react');
//some other code here

I tried using the library requirejs and also try something with npm and nodejs but I'm not sure how it works. I'm using the flux-chat example

Answer:1

RequireJS and npm are two different ways to resolve modules. People often use bower to download AMD/UMD supported libs, and add the path to the config file of RequireJS. RequireJS resolves the dependencies for you.

I suggest that you use npm and webpack to manage your modules. There're also lots of documents for them.

Let's say you want to create a single page application. When you use npm to install a lib, it downloads from the npm registry into node_modules in your local disk. How do you indicate the path of node_modules/ folder in your html? The answer is you can't. Webpack does the task for you.

Webpack bundle all your javascript files and necessary dependencies (files in your local node_modules) into a big file. Then you can set the path to the <script src="..."> in your html.

Answer:2

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