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

To use the closesync() function from the fs-extra package in your Node.js project, you need to first install the package by running npm install fs-extra.

After that, you can import the fs-extra package in your code using the require() function:

index.tsx
const fs = require('fs-extra');
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Then, to use the closesync() function, you simply need to call it with a file descriptor as the argument. Here's an example:

index.tsx
const fileDescriptor = fs.openSync('/path/to/your/file', 'r');
// read the file...

fs.closeSync(fileDescriptor); // close the file when done
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In this example, we first open the file using the openSync() function and store the resulting file descriptor in a variable. Then, we can read from the file using that descriptor.

Finally, we close the file using the closeSync() function, passing in the file descriptor as the argument.

Make sure to use the synchronous version of close() if you're using openSync(). If you're using the asynchronous open() function, you should use the asynchronous close() function.