git.r.bdr.sh - rbdr/forum/blob - src/lib/stores/response_builder.ts

   1 /**
   2  * Utilities to build responses
   3  */
   4
   5 interface AnyError {
   6         message: string;
   7 }
   8
   9 export type StoreState<Type> = {
  10         loading: boolean;
  11         data: Type | void;
  12         error: AnyError | void;
  13 };
  14
  15 export function initialResponse<T>(initialState: T): StoreState<T> {
  16         return {
  17                 loading: true,
  18                 data: initialState,
  19                 error: undefined
  20         };
  21 }
  22
  23 export function errorResponse<T>(error: AnyError): StoreState<T> {
  24         return {
  25                 loading: false,
  26                 data: undefined,
  27                 error
  28         };
  29 }
  30
  31 export function response<T>(data: T): StoreState<T> {
  32         return {
  33                 loading: false,
  34                 data,
  35                 error: undefined
  36         };
  37 }