TS2345 when you specify your element name

[adaliszk]

Code:

@customElement({name: 'my-element'})
class MyCustomElement extends Polymer.Element {
    // ...
}

Error the {name: 'my-element'}:

TS2345: Argument of type '{ name: string; }' is not assignable to parameter of type 'CustomElementOptions'.
Property 'stripWhitespace' is missing in type '{ name: string; }'.