JavaScript What does mean by node module wrapper function in node what does mean in math,what does mean mean,what

i would like to know about, what does mean by module wrapper function and what does it do to my code ?

(function (exports, require, module, __filename, __dirname) {  


 });
Answer:1

If you write some code, e.g.:

const fs = require("fs");
module.exports = fs.readFileSync(__dirname + "test.txt");
process.exit();

Then you work with a lot of global variables that are not defined through the js spec, they are only available in node. To make them available to the code, the code you executed gets enclosed in the function you quoted which allows you to access them. They could also have written some C++ code to solve that but that would have been far more complicated.

Answer:2

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