You can use Typescript with LitElement https://lit-element.polymer-project.org/guide/start#use-litelement-typescript-decorators https://lit-element.polymer-proj

You can use Typescript with LitElement https://lit-element.polymer-project.org/guide/start#use-litelement-typescript-decorators https://lit-element.polymer-project.org/guide/start#use-lite...