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

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

1. Install the fs-extra library using npm:

index.ts
npm install fs-extra
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2. Import the fs-extra module in your TypeScript file:

index.ts
import * as fs from "fs-extra";
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3. Use the chmodSync function to change the permissions of a file synchronously:

index.ts
try {
  fs.chmodSync("/path/to/file", 0o755); // Changes file permission to 755
} catch (err) {
  console.error(err);
}
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The chmodSync function takes two arguments: the path to the file and the permissions in octal format. In the above example, the permissions are set to 0o755, which means the file owner has read, write, and execute permissions, and everyone else has read and execute permissions.

If the file path is invalid or the permissions cannot be changed, the function will throw an error, which can be caught using a try-catch block as shown above.