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
  20   actions.update((actionsValue: Actions): Actions => {
  21
  22     actionsValue.topic = {
  23       id
  24     };
  25     return actionsValue;
  26   });
  27 };
  28
  29 export const disableTopicActions = () => {
  30
  31   actions.update((actionsValue): Actions => {
  32
  33     delete actionsValue.topic;
  34     return actionsValue;
  35   });
  36 };
  37
  38 export const topicActions: Readable<TopicAction> = derived(
  39   actions,
  40   ($actions) => $actions.topic
  41 );