How to track folder or file changes using Node.js?

How to observe/watch the folders OR files that gets changed using Node.js

Node.js comes with builtin method fs.watch() method that will emit ‘change’ event whenever specific directory or file is modified

Save above code in watch.js file and run the program node watch.js. Make sure you change folder or file name.

Once you run the program, it will continuously watch for any changes in specific folder or file and prints buffer once the changes are found.

Make some changes in folder or file being watched and check the console. You should see buffer on your terminal as shown below — contents of buffer may differ

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