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[rbdr/forum] / src / lib / stores / response_builder.ts

/**
 * Utilities to build responses
 */

interface AnyError {
  message: string
};

export type StoreState<Type> = {
	loading: boolean;
	data: Type | void;
	error: AnyError | void;
};

export function initialResponse<T> (initialState: T): StoreState<T> {
  return {
    loading: true,
    data: initialState,
    error: undefined
  };
}

export function errorResponse<T> (error: AnyError): StoreState<T> {
  return {
    loading: false,
    data: undefined,
    error
  };
}

export function response<T> (data: T): StoreState<T> {
  return {
    loading: false,
    data,
    error: undefined
  };
}