Angular create a external link with query params

Angular: Creating an External Link with Query Parameters

As an Angular developer, you may often come across the need to create an external link with query parameters. Query parameters are a way to pass data to external URLs, allowing you to customize the destination page based on user input or application state. In this blog post, we will explore different approaches to achieve this in Angular.

Approach 1: Using the Router

The Angular Router provides a convenient way to navigate between different routes within your application. However, it can also be used to generate external URLs with query parameters. Here’s how you can do it:

import { Router } from '@angular/router';

export class MyComponent {
  constructor(private router: Router) {}

  navigateToExternalLink() {
    const queryParams = { param1: 'value1', param2: 'value2' };
    const externalUrl = 'https://example.com?' + this.serializeQueryParams(queryParams);
    window.open(externalUrl, '_blank');
  }

  private serializeQueryParams(params: any): string {
    return Object.keys(params)
      .map(key => key + '=' + encodeURIComponent(params[key]))
      .join('&');
  }
}

In the above code snippet, we first import the Router service from the ‘@angular/router’ package. Inside the component, we inject the Router service through the constructor. Then, we define a method called navigateToExternalLink() which generates the external URL with query parameters using the serializeQueryParams() helper function. Finally, we open the external URL in a new browser tab using the window.open() method.

Approach 2: Using the Angular Location Service

If you prefer a more low-level approach, you can use the Angular Location service to create an external link with query parameters. Here’s an example:

import { Location } from '@angular/common';

export class MyComponent {
  constructor(private location: Location) {}

  navigateToExternalLink() {
    const queryParams = { param1: 'value1', param2: 'value2' };
    const externalUrl = 'https://example.com?' + this.serializeQueryParams(queryParams);
    this.location.go(externalUrl);
  }

  private serializeQueryParams(params: any): string {
    return Object.keys(params)
      .map(key => key + '=' + encodeURIComponent(params[key]))
      .join('&');
  }
}

In this approach, we import the Location service from the ‘@angular/common’ package. Similar to the previous approach, we inject the Location service through the constructor. The navigateToExternalLink() method generates the external URL with query parameters and uses the location.go() method to navigate to the external URL.

Conclusion

Creating an external link with query parameters in Angular can be achieved using either the Router or the Location service. Both approaches allow you to generate the desired URL and navigate to it. Choose the approach that best suits your needs and preferences.

Remember to handle any potential errors or edge cases when working with external links and query parameters to ensure a smooth user experience.

That’s it for this blog post! We hope you found it helpful in understanding how to create an external link with query parameters in Angular. Happy coding!