Misko Hevery f5c7e883a9 refactor(core): Take advantage of 'assert functions' for ngDevMode asserts (#35964)
As of TypeScript 3.7, TypeScript supports [Assert Functions](https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-7.html#assertion-functions). This change adds assert types to our `assert*` functions.

We can't fully take advantage of this due to [Assert functions do not constraint type when they are guarded by a truthy expression.](https://github.com/microsoft/TypeScript/issues/37295)

PR Close #35964
2020-03-10 21:01:26 -04:00
..