Property ‘isIP’ does not exist on type ‘typeof import(“…@types/validator/index”)’

If you are encountering the error message “Property ‘isIP’ does not exist on type ‘typeof import(“…@types/validator/index”)’”, it means that the TypeScript compiler is unable to find the ‘isIP’ property on the imported module from the ‘@types/validator/index’ package. This error commonly occurs when there is a mismatch between the TypeScript type definitions and the actual implementation of the module.
To resolve this issue, you can try the following solutions:

Solution 1: Update the ‘@types/validator’ package

The first solution is to ensure that you have the latest version of the ‘@types/validator’ package installed. This package provides TypeScript type definitions for the ‘validator’ module, which is commonly used for data validation in JavaScript and TypeScript applications.
To update the package, you can use the following command:

npm install @types/validator@latest --save-dev

This will install the latest version of the ‘@types/validator’ package and update the TypeScript type definitions in your project. After updating, try running your application again to see if the error persists.

Solution 2: Import the ‘validator’ module directly

If updating the ‘@types/validator’ package does not resolve the issue, you can try importing the ‘validator’ module directly instead of using the type definitions.
First, you need to install the ‘validator’ module by running the following command:

npm install validator --save

Once the module is installed, you can import it in your TypeScript file using the following statement:

import * as validator from 'validator';

Now, you can use the ‘validator’ module and its ‘isIP’ property without any TypeScript errors:

const ipAddress = '192.168.0.1';
if (validator.isIP(ipAddress)) {
    console.log('Valid IP address');
} else {
    console.log('Invalid IP address');
}

By importing the ‘validator’ module directly, you bypass the type definitions and rely on the actual implementation of the module. This can be a viable solution if the type definitions are causing issues.

Conclusion

The error message “Property ‘isIP’ does not exist on type ‘typeof import(“…@types/validator/index”)’” can be resolved by updating the ‘@types/validator’ package or by importing the ‘validator’ module directly. Choose the solution that works best for your project and ensure that your TypeScript code can access the ‘isIP’ property without any errors.