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

To use the readFileSync function from the fs-extra library in TypeScript, you will first need to install fs-extra as a dependency:

npm install --save fs-extra
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Once you have installed fs-extra, you can use it in your TypeScript code like this:

index.ts
import fs from 'fs-extra';

const filepath = '/path/to/file.txt';

try {
  const fileContents = fs.readFileSync(filepath, 'utf8');
  console.log(fileContents);
} catch (err) {
  console.error(err);
}
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In the example above, we first import fs-extra using the import statement with ES6 import syntax. Then, we define a filepath variable with the path to the file we want to read. Finally, we use a try-catch block to handle any errors that may occur when reading the file.

Inside the try block, we call the readFileSync function with the filepath and an encoding option of utf8 (which specifies that the contents of the file should be returned as a string). The contents of the file are then logged to the console.

If an error occurs when reading the file, the catch block is executed and the error is logged to the console.

Note that fs-extra is a third-party library that extends the built-in fs module with additional functionality. The fs module is included with Node.js, so you don't need to install it separately.