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

To use the fdatasync function from the fs-extra library in TypeScript, you can follow these steps:

1. Install the fs-extra package by running the following command in your terminal:

   index.ts
   npm install fs-extra
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2. Import the fs-extra module and the promisify function from the util module:

   index.ts
   import fs from 'fs-extra';
   import { promisify } from 'util';
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3. Use the promisify function to convert the fdatasync function to return a Promise:

   index.ts
   const fdatasync = promisify(fs.fdatasync);
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4. Call the fdatasync function on a file descriptor and handle any errors:

   index.ts
   const fd = fs.openSync('/path/to/file', 'r');
   await fdatasync(fd).catch((err) => console.error(err));
   fs.closeSync(fd);  // Remember to close the file descriptor
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Here's the complete example:

index.ts
import fs from 'fs-extra';
import { promisify } from 'util';

const fdatasync = promisify(fs.fdatasync);

async function fdatasyncExample() {
  const fd = fs.openSync('/path/to/file', 'r');
  await fdatasync(fd).catch((err) => console.error(err));
  fs.closeSync(fd);
}

fdatasyncExample();
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