Type checking in Angular 2 templates

Question

We are building an application in Angular 2 and TypeScript. We try to statically check types where it is possible. Is there any way to check types in templates? Consider the fol

Answer 1

to quote the official statement:

In the template type-checking phase, the Angular template compiler uses the TypeScript compiler to validate the binding expressions in templates.

Template validation produces error messages when a type error is detected in a template binding expression, similar to how type errors are reported by the TypeScript compiler against code in a .ts file.

More at:

Angular Template checking https://angular.io/guide/aot-compiler#binding-expression-validation

Yet to activate it, you should build the app, by

ng build --aot

or

ng build --prod

but you can also activate it without building:

ng serve --aot