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Make SpaceTreeLevelLayoutStore into a singleton

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Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
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Šimon Brandner 2021-05-11 11:16:14 +02:00
parent 4115fd8695
commit 1b877f2b7c
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2 changed files with 13 additions and 4 deletions
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13
src/stores/SpaceTreeLevelLayoutStore.ts
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@ -26,12 +26,21 @@ const getSpaceCollapsedKey = (roomId: string, parents: Set<string>): string => {
};
export default class SpaceTreeLevelLayoutStore {
public static setSpaceCollapsedState(roomId: string, parents: Set<string>, collapsed: boolean) {
private static internalInstance: SpaceTreeLevelLayoutStore;
public static get instance(): SpaceTreeLevelLayoutStore {
if (!SpaceTreeLevelLayoutStore.internalInstance) {
SpaceTreeLevelLayoutStore.internalInstance = new SpaceTreeLevelLayoutStore();
}
return SpaceTreeLevelLayoutStore.internalInstance;
}
public setSpaceCollapsedState(roomId: string, parents: Set<string>, collapsed: boolean) {
// XXX: localStorage doesn't allow booleans
localStorage.setItem(getSpaceCollapsedKey(roomId, parents), collapsed.toString());
}
public static getSpaceCollapsedState(roomId: string, parents: Set<string>, fallback: boolean): boolean {
public getSpaceCollapsedState(roomId: string, parents: Set<string>, fallback: boolean): boolean {
const collapsedLocalStorage = localStorage.getItem(getSpaceCollapsedKey(roomId, parents));
// XXX: localStorage doesn't allow booleans
return collapsedLocalStorage ? collapsedLocalStorage === "true" : fallback;