Get `Cannot read property 'type' of null` using Angular2 AoT ngc compiler with RC5

Question

Update to Angular2 2.0.0-rc.5, run in browser without any warning, but when try AOT compile with ngc -p command, get the flowing error:

Here is my

Answer 1

Do not use default exports in your code:

// somefile.ts
export default function (...) {
    ...
}
...
// some-other-file.ts
import whatevar from './somefile';

use explicit names instead

// somefile.ts
export function whatevar(...) {
    ...
}
...
// some-other-file.ts
import { whatevar } from './somefile';

AOT is incompatible with default exports (among other things). But unlike other incompatibilities, this one generates the most cryptic error message ever.

Answer 2

All these errors are related to AoT. This blog post explains the changes to be made in your code.

Making your Angular 2 library statically analyzable for AoT

1. const lambda => export function
2. default export => named export
3. private, protected accessors should be changed to public for any members accessed from template
4. dynamic component template => static template
5. moduleId should be set on components with templateUrl