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

   1 import { derived, writable } from 'svelte/store';
   2 import type { Readable, Writable } from 'svelte/store';
   3
   4 export type Actions = {
   5         topic?: TopicAction;
   6 };
   7
   8 export type TopicAction = {
   9         id: string;
  10 };
  11
  12 /*
  13  * This is a store to set the actions in the top header.
  14  */
  15
  16 const actions: Writable<Actions> = writable({});
  17
  18 export const enableTopicActions = (id: string) => {
  19         actions.update((actionsValue: Actions): Actions => {
  20                 actionsValue.topic = {
  21                         id
  22                 };
  23                 return actionsValue;
  24         });
  25 };
  26
  27 export const disableTopicActions = () => {
  28         actions.update((actionsValue): Actions => {
  29                 delete actionsValue.topic;
  30                 return actionsValue;
  31         });
  32 };
  33
  34 export const topicActions: Readable<TopicAction> = derived(actions, ($actions) => $actions.topic);