I have this method: there are multiple return statements in the function body, and I want to avoid null/undefined return statements. Is there an an ...
I have this method: there are multiple return statements in the function body, and I want to avoid null/undefined return statements. Is there an an ...
strictNullChecks is a great option, which can help developers avoid many potential runtime errors. So I recently started to refactor my code with this ...
I have "noUncheckedIndexedAccess": true in my tsconfig.json. The whole point of the switch is to force the check of existence of the item at an index ...
Let's say I'm creating a Map from an array of objects with ids as keys, then accessing the map from a different array that has the same ids: If I h ...
I'm currently converting a large TypeScript codebase to strict null-checks. The codebase has many types with optional members: Furthermore, it uses ...
I am using graphql-codegen/typescript-apollo-angular to generate typescript code can be useed in our Angular application. We decided to enable strictN ...
I wonder how can I solve this without setting strictNullchecks to false. or As you know, TypeScript shows an error like "Object is possibly unde ...
With idiomatic js returning undefined on error, converted to TS When using multiply in new TS code i get the problem of the compiler believing doSt ...
In JavaScript, null operands in a relational expression are treated as 0: But in TypeScript, if I provide a type annotation for f and turn on stric ...
I have a simple case when strictNullChecks does not narrow type even though I explicitly check for undefined. The error message is: How do I hel ...
We had an Issue in redux-starter-kit where a user of the library had strictNullChecks disabled and one of our type tests was short-cicuiting, returnin ...
I am attempting to turn on the strictNullChecks setting for my project, but have a rather curious error in the following snippet of code: The error ...
Code speaks better than language, so: The code is very silly and returns a copied Array... TS complains on concat's argument: TS2345: Argument of ...
This doesn't compile (playground): Is there a more elegant workaround than params as any? ...
When using the above code with strict enabled for typescript, I am receiving the following warning: I understand what TS strict mode is, but I do ...
Transpiler throws error regardless of the type guard: Here no error: ...
I'm using NGRX v4.1.1 in an Angular v5 app (with "strictNullChecks": true, though it doesn't appear to matter). I'm seeing an error with the store. G ...
In TypeScript, if strict null checking is enabled, I would expect the compiler to prevent me from assigning null or undefined values to a variable unl ...
Consider following code with strictNullChecks turned on: It fails to compile due to: But it is absolutely clear, that false will be filtered awa ...
I'm trying to get typescript strictNullChecks working in an Angular 5 project. I have a form: I can get the rememberMe control using this.signinFo ...