how to use the fsync function from the fs-extra library in typescript

To use the fsync() function from the fs-extra library in TypeScript, follow these steps:

1. Install fs-extra as a dependency in your project:

   npm install fs-extra
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2. Import the fs-extra module at the top of your TypeScript file:

   index.ts
   import * as fse from 'fs-extra';
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3. Call the fsync() function with the path of the file you want to sync:

   index.ts
   const pathToFile = '/path/to/file.txt';
   fse.fsync(pathToFile, (err) => {
       if (err) {
           console.error(`Error syncing file: ${err}`);
       } else {
           console.log(`File synced successfully: ${pathToFile}`);
       }
   });
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The fsync() function synchronizes changes made to a file with the disk, ensuring that all data has been written to the physical medium. In the code above, we define the path to the file we want to sync, call the fsync() function with a callback function to handle errors or success messages that may arise, and then log the appropriate message depending on the outcome of the operation.