how to use the ensurelinksync function from fs-extra in javascript

To use ensureLinkSync() function from fs-extra library, follow the below steps:

1. First, install fs-extra library by running the following command in the terminal.

npm i fs-extra
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2. After installing the fs-extra library, you can require it in your code as follows:

index.tsx
const fs = require('fs-extra');
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3. ensureLinkSync() function allows you to create a hard link from src to dest if the src file exists, and if the output link is a symbolic link then it copies the symbolic link instead of copying the file. It also creates directories if they do not exist.

index.tsx
fs.ensureLinkSync(srcPath, destPath)
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Here is an example that demonstrates the usage of ensureLinkSync() function:

index.tsx
const fs = require('fs-extra');

const srcPath = '/path/to/source/file';
const destPath = '/path/to/destination/file';

try {
  fs.ensureLinkSync(srcPath, destPath);
  console.log(`Successfully created a hard link from ${srcPath} to ${destPath}`);
} catch (error) {
  console.error(error.message);
}
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In the above example, we are creating a hard link from srcPath to destPath using the ensureLinkSync() function. If there are any errors, they will be caught by the try-catch block and displayed in the console.

In conclusion, you can use the ensureLinkSync() function from fs-extra library to create a hard link from one file to another if the source file exists.