how to use the copysync function from fs-extra in javascript

To use the copysync function from fs-extra in JavaScript, you'll need to install fs-extra package by running npm install fs-extra, before that make sure you have installed node.js.

Then, you can require fs-extra in your project and use the copysync function to copy files and directories synchronously from the source to the destination.

Here's an example code snippet that showcases how to use copysync:

index.tsx
const fs = require('fs-extra');

fs.copySync('/path/to/source', '/path/to/destination');
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In this example, copySync function copies the entire contents of /path/to/source directory to /path/to/destination directory.

The copysync function takes three arguments: the source path, the destination path and an options object. The options object is optional and allows you to customize the copy operation.

You can use various options like dereference to dereference symbolic links or preserveTimestamps to preserve the file timestamps, you would pass this options as third parameter to the function.

index.tsx
const fs = require('fs-extra');

fs.copySync('/path/to/source', '/path/to/destination', {
    dereference: true,
    preserveTimestamps: true
});
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This is just a brief example of how you can use copysync function from fs-extra. You can check the fs-extra documentation for more details on copysync and other useful functions that fs-extra has to offer.