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

To use the ftruncatesync function from the fs-extra library in TypeScript, you must first install the fs-extra library:

index.ts
npm install fs-extra
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Then, you can import the ftruncatesync function from the library and use it like this:

index.ts
import * as fse from 'fs-extra';

const filePath = '/path/to/file.txt';
const fileSize = 1024; // bytes

try {
  fse.ftruncateSync(filePath, fileSize);
  console.log('File truncated successfully!');
} catch (err) {
  console.error(err);
}
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In this example, we are truncating the file located at filePath to a size of fileSize bytes. The ftruncateSync function is synchronous, which means that it will block until the file has been truncated. If an error occurs, it will be caught by the try...catch block, and the error message will be printed to the console.