How to use web components in Angular 6

Web component have been in discussion for a while and with the webcomponentsjs polyfil from the polymer project, developers can finally take advantage of this powerful tool. Since the standard is independent of the frameworks, the components can be used in any architecture and offer simple option of integrating the components in your project. But how is it possible to use web components in an Angular 6 project?

Before we can start we need to create a new angular project using the Angular CLI.

Bower saves the dependencies of a project in a file called bower.json. To generate such a file use the init command of bower and follow the prompted instructions.

Since Angular uses npm to manage its dependencies, the setup for developers usually is limited to a simple npm install, which triggers npm to install all dependencies. To keep this functionality with bower we need to add a postinstall script in the package.json. The postinstall script is called by npm after the install command has finished. We will use this script in order to trigger bower to install the dependencies listed in the bower.json file.

This will affect all file paths of the app. Therefore all paths need to be updated.

Now that everything is set up, we can use the google-map component in our project. Just add the tag in your app.component.html and add a style to give it a size (otherwise it may not show).

Thank you for reading my article. I hope you found this tutorial helpful. This is my first post here on medium and I’d be happy for feedback. Or if you know a more elegant solution on integrating web components feel free to share.

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