#Generics

4 snippets

• TypeScript Tested

  Typed Object.keys and Object.entries

  Helpers that keep key types instead of widening to string, for objects you know the shape of.

• TypeScript Tested

  Type-safe event emitter

  An event emitter whose event names and payloads are checked by the compiler through a generic map type.

• TypeScript Tested

  Generic groupBy with key inference

  Group an array into a Record by a property or function while keeping the item type.

• TypeScript Tested

  Debounce with preserved argument types

  A debounce function whose returned function keeps the parameter types and exposes cancel() and flush().