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javascriptnode.jsgulpuglifyjs

How can I eliminate nested require when combining two js files

I`m trying to combine javascript files, I tried uglifyjs and it works but I want to eliminate duplicate require for the same npm library. Use case: I have file1.js and file2.js. Both files are using for example request npm module, and when I combine these two files into one, it duplicates the require('request'). Is there an option or something I can eliminate this issue?

Thanks.

Solution

  • One way to do that is to pass the module as parameter to another file. For example:

    file1.js 

    var request = require('request');
var file2 = require('./file2')(request);

module.exports = {...};

    file2.js

    module.exports = function(request) {

  // use "request" parameter, instead of requiring.   

  return {...};

};

    Update:

    import * as file2 from './file2';

const file2Module = file2(request);