server/typings/utils.ts

   1 /* eslint-disable @typescript-eslint/array-type */
   2
   3 export type FunctionPropertyNames<T> = {
   4   [K in keyof T]: T[K] extends Function ? K : never
   5 }[keyof T]
   6
   7 export type FunctionProperties<T> = Pick<T, FunctionPropertyNames<T>>
   8
   9 export type PickWith<T, KT extends keyof T, V> = {
  10   [P in KT]: T[P] extends V ? V : never
  11 }
  12
  13 export type PickWithOpt<T, KT extends keyof T, V> = {
  14   [P in KT]?: T[P] extends V ? V : never
  15 }
  16
  17 // https://github.com/krzkaczor/ts-essentials Rocks!
  18 export type DeepPartial<T> = {
  19   [P in keyof T]?: T[P] extends Array<infer U>
  20     ? Array<DeepPartial<U>>
  21     : T[P] extends ReadonlyArray<infer U>
  22       ? ReadonlyArray<DeepPartial<U>>
  23       : DeepPartial<T[P]>
  24 }