How to Automate Argument Types in a Handler Based on a Dynamic Event Registry in TypeScript?
I am developing a TypeScript application where events and their respective arguments are registered dynamically. However, I want the on
method to automatically infer the type of its arguments based on these registrations, without manually defining the types for each event.
How to create a TypeScript class constructor with multiple generics for each parameter?
I’m building a TypeScript class that needs to accept multiple parameters of the type EscapeHandlerSettings
.
whether to use tsconfig.json typeRoots vs. include for .d.ts files
I’ve researched in the TypeScript docs and elsewhere and I haven’t found a good answer to help me understand the difference or why one works over the other.
How to define Typescript type as a dictionary of strings but with one numeric “id” property
My existing JavaScript code has “records” where the id is numeric and the other attributes are strings. I’m trying to define this type:
How to write a general function that acts upon keys in an object while maintaining type safety?
I’m trying to write a TypeScript function that takes an object, performs a function on each key of that object and returns it. However I can’t get the types to play nice so that the return object is typed the same as the input object when union types are used.
How to get enum value to be used as a type?
I have a following enum to handle HTTP statuses:
Constrained callback arguments
I have this:
Extending a TypeScript type by adding new element in the array of a field
I want to tell TS that the type is as it expects with only a slight alteration of adding a field. The trick is that I don’t need to add the field to the type itself but to the set of available elements in the collection of one of its fields.
Typescript Export Not Exporting
Typescript’s export isn’t actually exporting anything.
How to create a general function type that only allows required parameters?
I’m trying to create a utility type that ensures a function has no optional parameters so that I can reliably check its .length
at runtime. I have this working for specific function signatures, but can’t figure out how to create a general type that allows any number of required parameters.